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Patent Searching and Data


Title:
ニトロスルホベンズアミド類
Document Type and Number:
Japanese Patent JP4536987
Kind Code:
B2
Abstract:
The present invention relates to a compound of the formula (I) wherein R1 is an unsubstituted or substituted hydrocarbon radical having a total of 1 to 10 carbon atoms, preferably 1 to 6 carbon atoms, R2 is an unsubstituted or substituted hydrocarbon radical having a total of 1 to 10 carbon atoms, preferably 1 to 6 carbon atoms, or the group NR1R2 is a heterocyclic ring having 3 to 8 ring atoms which is unsubstituted or substituted and contains the nitrogen atom of the group NR1R2 as ring heteroatom and may also contain one or two further ring heteroatoms from the group consisting of N, O and S, and Q is H or a cation. The compounds of the present invention can advantageously be used for the preparation of sulfonylureas and their precursors such as sulfochlorides or sulfonamides.

Inventors:
Mark James Ford
Jan Vermeeren
Application Number:
JP2001543527A
Publication Date:
September 01, 2010
Filing Date:
November 18, 2000
Export Citation:
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Assignee:
Bayer Crop Science Actien Gezershaft
International Classes:
C07C309/59; C07B61/00; C07D239/16; C07C303/02; C07C303/22; C07C303/36; C07C303/38; C07C311/16; C07C311/45; C07C311/65; C07D239/52; C07D327/04; C07C309/89
Domestic Patent References:
JP11217367A
JP11152263A
JP8502740A
JP4235956A
Foreign References:
US3055928
Other References:
Helvetica Chimica Acta,1949年,32,p.172-184
Attorney, Agent or Firm:
Chika Takagi
Junji Yuda
Shoji Miwa
Kosuke Nishimura