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WO1993020037A1 - Compose a base de cyclohexenone et production - Google Patents

Compose a base de cyclohexenone et production Download PDF

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Publication number
WO1993020037A1
WO1993020037A1 PCT/JP1993/000330 JP9300330W WO9320037A1 WO 1993020037 A1 WO1993020037 A1 WO 1993020037A1 JP 9300330 W JP9300330 W JP 9300330W WO 9320037 A1 WO9320037 A1 WO 9320037A1
Authority
WO
WIPO (PCT)
Prior art keywords
compound
general formula
formula
compound represented
lower alkyl
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.)
Ceased
Application number
PCT/JP1993/000330
Other languages
English (en)
Japanese (ja)
Inventor
Tsutomu Inoue
Mitsumasa Takata
Keiichi Ishimitsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Soda Co Ltd
Original Assignee
Nippon Soda Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Soda Co Ltd filed Critical Nippon Soda Co Ltd
Publication of WO1993020037A1 publication Critical patent/WO1993020037A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/74—Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring
    • C07C69/757—Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety

Definitions

  • the present invention relates to a cyclohexenone compound useful as an intermediate for agrochemicals and a method for producing the same.
  • the present invention is a.
  • R 1 , R 2 and R 3 are the same or different and represent a lower alkyl group.
  • R 1 , R 2 , and 3 have the same meanings as described above, and R 4 represents a lower alkyl group. You. Wherein the compound represented by the general formula [I] is reacted in the presence of a zinc compound as a catalyst.
  • the compounds of the present invention as catalysts in their preparation, Z n C ⁇ 2, ⁇ ⁇ ( ⁇ 0 3) 2, ⁇ ⁇ 0, basic zinc carbonate (3 ⁇ ⁇ ( ⁇ ) 2 ⁇ 2 Z n C 0 3) Inorganic zinc compounds such as Zn (CH 3 C 00) 2, zinc benzoate, and zinc powder such as Zn powder (these may be used in combination). It can be obtained in high yields.
  • the amount of the catalyst is 0.01 to 1 mol, preferably 0.1 to 0.3 mol, per 1 mol of the compound of the general formula [II].
  • the reaction temperature is 80 ° C. or higher and up to the boiling point of each solvent.
  • washing with water or acid or alkali treatment is performed for the purpose of removing zinc compounds.
  • the compound of the present invention is useful as an agricultural or pharmaceutical intermediate.
  • Japanese Patent Application No. 3-35869 is disclosed in WO 91/0260
  • Japanese Patent Application It is an intermediate for the herbicides shown in Hei 3—1 9 3 5 9 '5.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Utile comme intermédiaire destiné à la production de pesticides et de médicaments, un composé est représenté par la formule générale (I), où R?1, R2 et R3¿, qui peuvent différer ou être identiques, représentent chacun un alkyle inférieur. On décrit un procédé, permettant de produire ce composé (I), qui implique de faire réagir un composé, représenté par la formule générale R4OCH2CH2COCH2OR1, avec un composé représenté par la formule générale R2COCH2COOR?3 (où R1, R2 et R3¿ correspondent à la définition indiquée ci-dessus et R4 représente un alkyle inférieur), en présence d'un composé à base de zinc en tant que catalyseur.
PCT/JP1993/000330 1992-03-27 1993-03-22 Compose a base de cyclohexenone et production Ceased WO1993020037A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4/101836 1992-03-27
JP10183692 1992-03-27

Publications (1)

Publication Number Publication Date
WO1993020037A1 true WO1993020037A1 (fr) 1993-10-14

Family

ID=14311166

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1993/000330 Ceased WO1993020037A1 (fr) 1992-03-27 1993-03-22 Compose a base de cyclohexenone et production

Country Status (1)

Country Link
WO (1) WO1993020037A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH021422A (ja) * 1988-02-01 1990-01-05 Sandoz Ag 有機化合物に関する改良
US4925970A (en) * 1988-12-22 1990-05-15 Brown Richard W Process for producing cyclohexadiene thioether
JPH03255047A (ja) * 1989-07-04 1991-11-13 Nippon Soda Co Ltd 置換ビシクロヘプタジオン誘導体、その製造方法及び除草剤

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH021422A (ja) * 1988-02-01 1990-01-05 Sandoz Ag 有機化合物に関する改良
US4925970A (en) * 1988-12-22 1990-05-15 Brown Richard W Process for producing cyclohexadiene thioether
JPH03255047A (ja) * 1989-07-04 1991-11-13 Nippon Soda Co Ltd 置換ビシクロヘプタジオン誘導体、その製造方法及び除草剤

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