DE1643965A1 - New carbamide derivatives and processes for their preparation - Google Patents
New carbamide derivatives and processes for their preparationInfo
- Publication number
- DE1643965A1 DE1643965A1 DE19681643965 DE1643965A DE1643965A1 DE 1643965 A1 DE1643965 A1 DE 1643965A1 DE 19681643965 DE19681643965 DE 19681643965 DE 1643965 A DE1643965 A DE 1643965A DE 1643965 A1 DE1643965 A1 DE 1643965A1
- Authority
- DE
- Germany
- Prior art keywords
- substituted
- general formula
- phenyl
- group
- unsubstituted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 10
- 238000002360 preparation method Methods 0.000 title claims description 4
- 150000003672 ureas Chemical class 0.000 title description 2
- 150000001875 compounds Chemical class 0.000 claims description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 125000004417 unsaturated alkyl group Chemical group 0.000 claims description 3
- 230000002365 anti-tubercular Effects 0.000 claims description 2
- 239000002775 capsule Substances 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000006187 pill Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 239000000829 suppository Substances 0.000 claims description 2
- 239000003826 tablet Substances 0.000 claims description 2
- 150000003585 thioureas Chemical class 0.000 claims 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims 2
- 125000004076 pyridyl group Chemical group 0.000 claims 2
- UCDWFUGHXVFQMT-UHFFFAOYSA-N 4-(3-methylbutoxy)-n-phenylaniline Chemical compound C1=CC(OCCC(C)C)=CC=C1NC1=CC=CC=C1 UCDWFUGHXVFQMT-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 150000002540 isothiocyanates Chemical class 0.000 claims 1
- 125000002924 primary amino group Chemical class [H]N([H])* 0.000 claims 1
- 238000009736 wetting Methods 0.000 claims 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- -1 4-ethoxyphenyl Chemical group 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- WUBBRNOQWQTFEX-UHFFFAOYSA-N 4-aminosalicylic acid Chemical compound NC1=CC=C(C(O)=O)C(O)=C1 WUBBRNOQWQTFEX-UHFFFAOYSA-N 0.000 description 2
- 229960004909 aminosalicylic acid Drugs 0.000 description 2
- BDTDECDAHYOJRO-UHFFFAOYSA-N ethyl n-(sulfanylidenemethylidene)carbamate Chemical compound CCOC(=O)N=C=S BDTDECDAHYOJRO-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- HXDMRUHZGHWXOI-UHFFFAOYSA-N propyl n-(sulfanylidenemethylidene)carbamate Chemical compound CCCOC(=O)N=C=S HXDMRUHZGHWXOI-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- LXWFHMREWLOKLM-UHFFFAOYSA-N CP-24879 Chemical compound CC(C)CCOC1=CC=C(N)C=C1 LXWFHMREWLOKLM-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001432959 Chernes Species 0.000 description 1
- 244000026610 Cynodon dactylon var. affinis Species 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- UMGDCJDMYOKAJW-UHFFFAOYSA-N aminothiocarboxamide Natural products NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 1
- SOIFLUNRINLCBN-UHFFFAOYSA-N ammonium thiocyanate Chemical compound [NH4+].[S-]C#N SOIFLUNRINLCBN-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 241001233037 catfish Species 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- QGIRBAOVIAHGDV-UHFFFAOYSA-N ethyl thiocyanatoformate Chemical compound CCOC(=O)SC#N QGIRBAOVIAHGDV-UHFFFAOYSA-N 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- KIWUVOGUEXMXSV-UHFFFAOYSA-N rhodanine Chemical compound O=C1CSC(=S)N1 KIWUVOGUEXMXSV-UHFFFAOYSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001549 tubercolostatic effect Effects 0.000 description 1
- 201000008827 tuberculosis Diseases 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/72—Nitrogen atoms
- C07D213/75—Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C335/00—Thioureas, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C335/04—Derivatives of thiourea
- C07C335/24—Derivatives of thiourea containing any of the groups, X being a hetero atom, Y being any atom
- C07C335/28—Y being a hetero atom, e.g. thiobiuret
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
- C07D319/14—1,4-Dioxanes; Hydrogenated 1,4-dioxanes condensed with carbocyclic rings or ring systems
- C07D319/16—1,4-Dioxanes; Hydrogenated 1,4-dioxanes condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D319/20—1,4-Dioxanes; Hydrogenated 1,4-dioxanes condensed with carbocyclic rings or ring systems condensed with one six-membered ring with substituents attached to the hetero ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Description
Dr. Ing. 3arg2n SchmidtDr. Ing. 3arg2n Schmidt
Dr.r21.111.::. Bruvc kekznerDr.r21.111. ::. Bruvc kekzner
pJtar,t.:r-;/i::-ipJtar, t .: r -; / i :: - i
8 München 2,Herniann-Sask-Str.2 8 Munich 2, Herniann-Sask-Str. 2
23. Januar 1968January 23, 1968
Betr.: Unser Zeichen: P-3268-1Re: Our reference: P-3268-1
Patentanmeldung fürPatent application for
Egyesült Gy&gyszer- es Tapszergyär, 30-38 Kereszturi ut, Budapest X (Ungarn)Egyesält Gy & gyszer- es Tapszergyär, 30-38 Kereszturi ut, Budapest X (Hungary)
"betreffend"concerning
• Die Erfindung betrifft pharmakologiech wirksame neue Ihioharnetofi-Derivate der allgemeinen Formel I• The invention relates to pharmacologically effective new Ihioharnetofi derivatives of the general formula I
Cl)Cl)
worin R eine substituierte oder unsubstituierte Phenylgruppe, •ine substituierte oder uneubstituierte i'yridylgruppe, oder eine substituierte oder unsubstituierte Aralky!gruppe, undwherein R is a substituted or unsubstituted phenyl group, • a substituted or uneubstituted i'yridyl group, or a substituted or unsubstituted aralky group, and
62/86 alt.62/86 old.
109829/1870109829/1870
R1 eine geradkettige oder verzweigte» gesättigte oder ungesättigte Alkylgruppe mit 1-8 Kohlenstoffatomen bedeutet.R 1 denotes a straight-chain or branched »saturated or unsaturated alkyl group with 1-8 carbon atoms.
Der Subatituent B ist zweokmässig eine 4-Aethoxy-phenyl-, . 4-n-Butoxy-phenyl-, 4-Isoamyloxy-phenyl-, 4-(ß-Dimethylamino)- -äthoxy-phenyl-, 4-Dimethylamino-phenyl-, 2,6-Dimethyl-phenyl-, 2,6-Dichlor-phenyl-, 3-Trlfluormethyl-phenyl-, 4-Carboxy-phenyl, JJ-Hydroxy^-oarboxy-phenyl-, 2-Pyridyl- oder eine ß-Phenyl-isopropyl-Gruppe.The subatituent B is two-fold 4-ethoxyphenyl, . 4-n-butoxy-phenyl-, 4-isoamyloxy-phenyl-, 4- (ß-dimethylamino) - ethoxyphenyl, 4-dimethylaminophenyl, 2,6-dimethylphenyl, 2,6-dichloro-phenyl-, 3-trlfluoromethyl-phenyl-, 4-carboxy-phenyl, JJ-Hydroxy ^ -oarboxy-phenyl, 2-pyridyl or a β-phenyl-isopropyl group.
Der Substituent R kann zweckmässig eine* Methyl-, Äthyl-, Propyl-, Butyl-, Isoamyl- oder Allyl-Gruppe darstellen·The substituent R can conveniently be a * methyl, ethyl, Represent propyl, butyl, isoamyl or allyl group
Die neuen Verbindungen der allgemeinen Formel I können zweckmässig derart hergestellt werden, dass ein primär AmIn der allgemeinen Formel IIThe new compounds of general formula I can conveniently be prepared in such a way that a primary AmIn of the general formula II
R - NH2 (II;R - NH 2 (II;
worin R die obigen Bedeutungen besitzt, mit einem Isothlooyanat der allgemeinen Formel IIIwherein R has the above meanings with an isothlooyanate of the general formula III
worin R1 die obigen Bedeutungen besitzt, umgesetzt wird.wherein R 1 has the above meanings, is implemented.
Die Reaktion kann zweokmässig in einem indifferenten Lösungsmittel, wie Aceton, Benzol usw., gegebenenfalls unter Erwärmen, durchgeführt werden·The reaction can be twofold in an indifferent Solvents such as acetone, benzene, etc., optionally under Heating, to be carried out
Die Ausgangsverbindungen der allgemeinen Formel III können in an sich bekannter Welse, z.B. durch Umsetzung des entsprechenden Chlor-kohlensäureestere mit einem Salz der Rhodansäure, z.B. mit Kalium- oder Ammonium-Rhodanid, hergestellt werden.The starting compounds of the general formula III can in known catfish, e.g. by reacting the corresponding chlorocarbonic acid ester with a salt of rhodanic acid, e.g. with potassium or ammonium rhodanide will.
Die Erfindung betrifft alle Stereoisomere der Verbindungen der allgemeinen Formel I und die Gemische der StereoisomereThe invention relates to all stereoisomers of the compounds of the general formula I and the mixtures of the stereoisomers
- 2 -109829/1870- 2 -109829/1870
eowohl in der Form der freien Baee ale auch in der Form der sauren Salze*eboth in the form of the free baee ale also in the form of the acid salts *
Die erfindungegemäeeen neuen Verbindungen der allgemeinen Formel I besitzen wertvolle pharmakologische Eigenschaften. So weißen sie eine antituberkulotißche Wirkung auf· Eine besondere vorteilhafte tuberkuloetatische Wirkung besitzen diejenigen Derivate ι in denen der Substituent R eine 4-Alkoxyphenyl-Gruppe und R^ eine Alkylgruppe bedeuten. So hindern z.B. der l-(4'--Ieoamyloxy-phenyl-)-3-carbetoxy-thioharnßtoff und das l-(4'-Isoamyloxy-phenyl)-3-carbo-n-propoxy-thiöharn8toff in einer Konzentration von 0,8 //ml die Entwicklung der Tuberkulo-Bis-Bakterlen in vitro auf Dubos-Nährboden· Die antituberkulotieche V/lrkung dieser Verbindungen kann in Tierversuchen an Mausen beobachtet werden.The inventive new compounds of the general Formula I have valuable pharmacological properties. They thus have an anti-tuberculosis effect. Those derivatives in which the substituent R is a 4-alkoxyphenyl group and R is an alkyl group have a particularly advantageous tuberculosis effect. E.g. the l- (4 '- Ieoamyloxy-phenyl -) - 3-carbetoxy-thiourea and that 1- (4'-Isoamyloxy-phenyl) -3-carbo-n-propoxy-thioethanol in a concentration of 0.8 / ml the development of the tuberculo-bis-bacteria in vitro on Dubos nutrient medium Mice are observed.
Eine ähnliche tuberkulostatische Wirkung zeigen noch z.B. der 1-(3 *-Hydroxy-4 *-carboxy-pheny1)-3-carbethoxy-thioharnsto ff und das l-(3'-Hydroxy-4'-carboxy-phenyl)-3-carbopropoxy-thioharnstoff, deren hemmende Wirkung in einer Konzentration von 0,2-0,4 ^f/ml zur Geltung kommt.A similar tuberculostatic effect is shown by, for example, 1- (3'-hydroxy-4'-carboxy-pheny1) -3-carbethoxy-thiourea ff and l- (3'-hydroxy-4'-carboxy-phenyl) -3- carbopropoxy-thiourea, the inhibitory effect of which comes into play at a concentration of 0.2-0.4 ^ f / ml.
Die erflndungsgemäseen neuen Verbindungen der allgemeinen Formel I können in an sich bekannter Weise in Arzneipräparate, gegebenenfalls zusammen mit anderen pharmakologisch wirksamen Verbindungen und/oder Träger-, Binde-, Netz-, Füll-, Geechnacksusw. Mitteln, in Form von Tabletten, Pillen, Kapseln, Lösungen, Emulsionen, Suspensionen, Suppositorien usw. übergeführt werden·The new compounds according to the invention of the general Formula I can be incorporated into medicinal preparations in a manner known per se, optionally together with other pharmacologically active substances Connections and / or carrier, binding, net, filling, geechnacks, etc. Means, in the form of tablets, pills, capsules, solutions, Emulsions, suspensions, suppositories etc. are transferred
Die erfindungsgemässen neuen Verbindungen, sowie das Verfahren zur Herstellung derselben werden anhand der nachstehenden Beispiele näher erläutert.The novel compounds according to the invention, as well as the Processes for producing the same are explained in more detail with reference to the following examples.
109829/1870109829/1870
In einen Rundkolben, der mit einem Rührer, Tropftrichter und Chlorcalcium-Rohr versehen ißt, werden 10t7 g 4-Isoamyloxy- -anilin in 35 ml abs. Aceton gelöst» und während Rühren wird eine Lorning von 7»85 g Carbäthoxy-ieothiocyanat in 15 ml abs. Aceton in 30 Minuten zugetropft. Die Temperatur dee Eich mild aufwärmenden Gemisches wird während der Zugabe bei 25-300C gehalten. Das Gemisch wird 2 Stunden lang bei Zimmertemperatur gerührt, worauf der ausgeschiedene kristalline Niederschlag abgesaugt und mit einigen ml Alkohol gewaschen wird· Es werden 11,4 g l-(4t-lsoamyloxy-phenyl)-3-carbäthoxy-thioharn8toff erhalten. Diese Verbindung wird nach Klärung mit Knochenkohle aus 60 ml abs. Alkohol umkristallisiert. Das erhaltene Produkt schmilzt bei 1220C. Durch Aufarbeitung der Mutterlaugen können weitere Mengen des Produktes erhalten werden.10 tons of 7 g of 4-isoamyloxy-aniline in 35 ml of abs. Acetone dissolved »and while stirring a Lorning of 7» 85 g of carbethoxy thiocyanate in 15 ml of abs. Acetone was added dropwise in 30 minutes. The temperature calibration dee mildly warming up the mixture is maintained during the addition at 25-30 0 C. The mixture is stirred for 2 hours at room temperature, filtered off with suction and then the precipitated crystalline precipitate and washed with a few ml of alcohol · There are obtained 11.4 g of l- (4-t -lsoamyloxy phenyl) -3-carbethoxy-thioharn8toff. This compound is after clarification with bone charcoal from 60 ml abs. Recrystallized alcohol. The product obtained melts at 122 ° C. Further quantities of the product can be obtained by working up the mother liquors.
Das als Auegangsmaterial verwendete, bekannte Carbäthoxyisothiocyanat kann gemäss der in Bull. Chern. Soc. Japan (£6, 1218 /1963/) beschriebenen Methode hergestellt werden.The well-known carbethoxyisothiocyanate used as starting material can according to the in Bull. Chern. Soc. Japan (£ 6, 1218/1963 /) described method.
Die nachstehenden Verbindungen können auf ähnliche Weise
aus dem entsprechenden Amin der allgemeinen Formel II und aus Carbäthoxy-isothiocyanat in Aceton oder Benzol hergestellt werdent
l-U'-Athoxy-phenylM-carbäthoxy-thioharnstoff (Γ.ρ.»141-1420Ο$
l-(4l-n-Butoxy-phenyl)-3-carbäthoxy-thioharnstoff (P.p. il28°C)\
l-(4 f-/fJ-Dime thyl amino/-äthoxy-phenyl) -3-carbäthoxy-thioharnstoff
(P.p.: 125-1260C);
1 -(4' ^Dimethylamino-phenyl) -3-carbäthoxy- thioharnstoff
(P.p.» 1930C) jThe following compounds may in a similar manner from the corresponding amine of the general formula II and from carbethoxy isothiocyanate in acetone or benzene prepared werdent l-U'-Athoxy-phenylM-carbethoxy-thiourea (Γ.ρ. »$ 141-142 0 Ο l- (4 l -n-butoxy-phenyl) -3-carbethoxy-thiourea (Pp il28 ° C) \ l- (4 f - / fJ-dimethyl amino / -ethoxy-phenyl) -3-carbethoxy-thiourea ( pp: 125-126 0 C);
1 - (4 '^ Dimethylaminophenyl) -3-carbethoxy- thiourea (Pp >> 193 0 C) j
l-(2»,6'-Dimethyl-phenyl)-3-carbäthoxy-thioharnetoff (P.p.ι 205-2060C)\ l- (2 », 6'-dimethyl-phenyl) -3-carbäthoxy-thioharnetoff (Pp ι 205-206 0 C) \
1 0 9 8 2*0 / Γ8 7 01 0 9 8 2 * 0 / Γ8 7 0
l-(2», ö'-DichlorphenylM-earbäthoxy-thioharnstoff (P.p.t 2O5°C)j l-(3 »-Trifluormethyl-phenyl)-3-carbäthoxy-thioharnstoff1- (2 ", δ'-dichlorophenylM-earbethoxy-thiourea (Pp t 2O5 ° C) j 1- (3" -trifluoromethyl-phenyl) -3-carbethoxy-thiourea (F.p.t 99°C)|(M.p.t 99 ° C) |
l-Cß-Bienyl-ieopropyl^-carbäthoxy-thioharnetoff (F.p.: 570C)f l-(2'-Pyridyl)-3-carböthoxy-thioharnstoff (F.p.» 102°C)t l-(5',6'-Benzo-1',4'-dioxan-yl-2')-methyl-3-oarbäthoxy-thioharnetoff (F.p.i 1160C).l-Cß-Bienyl-ieopropyl ^ -carbethoxy-thiourea (m.p .: 57 0 C) f l- (2'-pyridyl) -3-carbothoxy-thiourea (m.p. 102 ° C) t l- (5 ', 6' benzo-1 ', 4'-dioxan-yl-2') - methyl-3-oarbäthoxy-thioharnetoff (Fpi 116 0 C).
Aue 4-Isoamyloxy-ajiilin und n-lTopoxyrcarbonyl-ieothiocyanat kann der l-^'-Isoamyloxy-phenyli-S-n-carbo-propoxy-thioharnetoff ebenfalls in der obenbeschriebenen Weiße hergestellt werden; Schmelzpunkt4 910O.With 4-isoamyloxy-ajiilin and n-l-topoxyrcarbonyl-ieothiocyanate, the l - ^ '- isoamyloxy-phenyli-Sn-carbo-propoxy-thioharnetoff can also be produced in the above-described whiteness; Melting point 4 91 0 O.
Dae n-Propoxy-carbonyl-ißothiocyanat wurde in ähnlicher Weise, wie dae Carbäthoxy-ieothiocyanate hergestellt; Kochpunkt ι 35-39°C/O,3 mm Hg.The n-propoxy-carbonyl-isothiocyanate was similar Way how the carbethoxy-iothiocyanate is made; Boiling point ι 35-39 ° C / O, 3 mm Hg.
Einer Suspension von 7,6 g 4-Aminosalicylsäure in 30 ml abs. Aceton oder abs. Benzol wird eine Lösung von 6,5 g Carb~ äthoxy-ieothlocyanat in 10 ml abs. Aceton oder abs. Benzol In •iner Stunde zugetröpfelt. Das Reaktionsgemische wird 2 Stunden lang bei 500C gerührt. Beim Abkühlen wird das ausgeschieden«A suspension of 7.6 g of 4-aminosalicylic acid in 30 ml of abs. Acetone or abs. Benzene is a solution of 6.5 g of carb ~ ethoxy-ieothlocyanat in 10 ml of abs. Acetone or abs. Benzene dripped in within an hour. The reaction mixture is stirred at 50 ° C. for 2 hours. When it cools down, it is excreted "
rung mit Knochenkohle und Umkrlstallisierung aus Äthanol werden 6»3 β l-(3f-Hydroxy-4'-carboxy-pheny1)-3-carböthoxy-thioharnstoff mit einem Schmelzpunkt von 2240C (unter Zersetzung) erhalten·tion with bone coal and Umkrlstallisierung from ethanol to obtain 6 »β 3 l- (3 f-hydroxy-4'-carboxy-pheny1) -3-carboethoxy-thiourea having a melting point of 224 0 C (with decomposition) ·
In ähnlicher Weise kann der 1-(4'-carboxy-phenyl)-3-n- -propoxy-carbonyl-thioharnetoff (Schmelzpunktι 2150C) aus 4-Aminosalicylsäure und n-Propoxy-carbonyl-isothiocyanat hergestellt werden·Similarly, 1- (4'-carboxy-phenyl) -3-n-propoxy-carbonyl-thioharnetoff (Schmelzpunktι 215 0 C) of 4-aminosalicylic acid, and are prepared n-propoxy-carbonyl isothiocyanate may ·
- 5 -109829/1870- 5 -109829/1870
Claims (6)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HUGO001004 | 1967-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1643965A1 true DE1643965A1 (en) | 1971-07-15 |
Family
ID=10996662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681643965 Pending DE1643965A1 (en) | 1967-01-24 | 1968-01-23 | New carbamide derivatives and processes for their preparation |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT278855B (en) |
| CH (1) | CH495341A (en) |
| DE (1) | DE1643965A1 (en) |
| DK (1) | DK115766B (en) |
| FR (1) | FR7827M (en) |
| GB (1) | GB1211041A (en) |
| NL (1) | NL6800901A (en) |
| SE (1) | SE331275B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA6904362B (en) * | 1968-06-18 | |||
| FR2196794A1 (en) * | 1972-08-24 | 1974-03-22 | Dainippon Pharmaceutical Co | 1-(pyridyl)-3-substd-thiourea derivs - hypoxia inhibitors |
| US4072696A (en) * | 1973-02-12 | 1978-02-07 | Syntex (U.S.A.) Inc. | 5(6)-Benzene ring substituted benzimidazole-2-carbamate derivatives having anthelmintic activity |
| GB2163068B (en) * | 1984-08-17 | 1988-09-28 | American Cyanamid Co | Neutral circuit sulfide collectors |
| US4556482A (en) * | 1984-08-17 | 1985-12-03 | American Cyanamid Company | Process for the flotation of base metal sulfide minerals in acid, neutral or mildly alkaline circuits |
| US4556483A (en) * | 1984-08-17 | 1985-12-03 | American Cyanamid Company | Neutral hydrocarboxycarbonyl thiourea sulfide collectors |
| USRE32786E (en) * | 1984-08-17 | 1988-11-22 | American Cyanamid Company | Neutral hydrocarboxycarbonyl thiourea sulfide collectors |
-
1968
- 1968-01-12 GB GB197168A patent/GB1211041A/en not_active Expired
- 1968-01-19 NL NL6800901A patent/NL6800901A/xx unknown
- 1968-01-19 DK DK21968A patent/DK115766B/en unknown
- 1968-01-23 DE DE19681643965 patent/DE1643965A1/en active Pending
- 1968-01-23 FR FR136949A patent/FR7827M/fr not_active Expired
- 1968-01-23 SE SE89068A patent/SE331275B/xx unknown
- 1968-01-24 AT AT69368A patent/AT278855B/en not_active IP Right Cessation
- 1968-01-24 CH CH108068A patent/CH495341A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH495341A (en) | 1970-08-31 |
| FR7827M (en) | 1970-05-25 |
| SE331275B (en) | 1970-12-21 |
| GB1211041A (en) | 1970-11-04 |
| NL6800901A (en) | 1968-07-25 |
| AT278855B (en) | 1970-02-10 |
| DK115766B (en) | 1969-11-10 |
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