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BR8003393A - Processo para preparar um isocianato de arilsulfonila - Google Patents

Processo para preparar um isocianato de arilsulfonila

Info

Publication number
BR8003393A
BR8003393A BR8003393A BR8003393A BR8003393A BR 8003393 A BR8003393 A BR 8003393A BR 8003393 A BR8003393 A BR 8003393A BR 8003393 A BR8003393 A BR 8003393A BR 8003393 A BR8003393 A BR 8003393A
Authority
BR
Brazil
Prior art keywords
isocianate
arylsulphonyl
prepare
arylsulphonyl isocianate
Prior art date
Application number
BR8003393A
Other languages
English (en)
Inventor
G Levitt
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of BR8003393A publication Critical patent/BR8003393A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/36—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR8003393A 1979-06-04 1980-05-30 Processo para preparar um isocianato de arilsulfonila BR8003393A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4524479A 1979-06-04 1979-06-04

Publications (1)

Publication Number Publication Date
BR8003393A true BR8003393A (pt) 1980-12-30

Family

ID=21936794

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8003393A BR8003393A (pt) 1979-06-04 1980-05-30 Processo para preparar um isocianato de arilsulfonila

Country Status (2)

Country Link
EP (1) EP0021641A1 (pt)
BR (1) BR8003393A (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0064322B1 (en) * 1979-07-26 1985-05-22 E.I. Du Pont De Nemours And Company Benzenesulfonyl isocyanates, isothiocyanates, chlorides, and sulfonamides having a fluorinated substituent
CA1216290A (en) 1982-05-17 1987-01-06 Alden D. Josey Process for the nucleophilic substitution of unactivated aromatic and heteroaromatic substrates
EP0508348B1 (de) * 1991-04-11 1997-07-09 Hoechst Schering AgrEvo GmbH Verfahren zur Herstellung von 2-Pyridylsulfonylharnstoffen und Thiadiazolopyridine als Zwischenprodukte in diesem Verfahren
US20020123644A1 (en) * 1997-01-16 2002-09-05 Mitsumasa Kitai Aliphatic triisocyanate compound, process for producing the same, and polyurethane resin made from the compound
DE19942299A1 (de) 1999-09-04 2001-03-08 Basf Ag Verbessertes Verfahren zur Herstellung von Mono- und Oligo-Isocyanaten
DE10150368A1 (de) * 2001-10-11 2003-05-22 Basf Ag Verfahren zur Herstellung von Arylsulfonsäureisocyanaten
CN116640099B (zh) * 2023-04-11 2025-06-10 阜新乾屹精细化工有限公司 一种合成苯磺隆除草剂的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB692360A (en) * 1949-08-20 1953-06-03 Basf Ag Improvements in the production of sulphonyl isocyanates
US3371114A (en) * 1964-09-14 1968-02-27 Upjohn Co Hydrocarbyl isocyanate catalyst for the phosgenation of aryl sulfonamides
US3484466A (en) * 1966-09-30 1969-12-16 Upjohn Co Preparation of aromatic sulfonyl isocyanates
US3379758A (en) * 1967-07-31 1968-04-23 Upjohn Co Phosgenation of n-arylsulfonyl, n'-alkyl-ureas to produce arylsulfonyl isocyanates
US3689549A (en) * 1969-05-06 1972-09-05 Phillips Petroleum Co Production of sulfonyl isocyanates from sulfonamides in a sulfolane solvent
BE790361A (fr) * 1971-10-23 1973-04-20 Bayer Ag Procede de preparation de sulfonylisocyanates organiques
DE2450083A1 (de) * 1974-10-22 1976-04-29 Hoechst Ag Verfahren zur herstellung von aromatischen sulfonylisocyanaten

Also Published As

Publication number Publication date
EP0021641A1 (en) 1981-01-07

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