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Patent Searching and Data


Title:
METHOD FOR PRODUCING SULFONAMIDE COMPOUND
Document Type and Number:
Japanese Patent JP2004091429
Kind Code:
A
Abstract:

To provide a method for synthesizing a sulfonamide compound in a short time and high yield by reacting an aniline compound with a sulfonyl chloride having large steric hindrance.

The method for producing the sulfonamide compound comprises reacting the aniline compound represented by general formula (Ia) [wherein R1 is a substituent group; (a) is an integer of ≥0 and ≤5] with the sulfonyl chloride compound represented by general formula (II) [wherein R2 and R3 are each a substituent group having steric hinderance; R4 is a substituent group; (b) is an integer of ≥0 and ≤3].


Inventors:
KATO YASUHIRO
MIKOSHIBA TAKASHI
Application Number:
JP2002000257868
Publication Date:
March 25, 2004
Filing Date:
September 03, 2002
Export Citation:
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Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
C07D487/04; C07C303/38; C07C311/21; C07C311/29; (IPC1-7): C07C303/38; C07C311/21; C07C311/29; C07D487/04
Attorney, Agent or Firm:
Takehiko Suzue
Muramatsu Sadao
Atsushi Tsuboi
Ryo Hashimoto
Satoshi Kono
Nakamura Makoto