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Title:
PROCESS FOR THE PRODUCTION OF SULFONIC ESTERS
Document Type and Number:
WIPO Patent Application WO/2001/094304
Kind Code:
A1
Abstract:
A process for the production of sulfonic ester derivatives of the general formula (4) or (5) by reacting an amino alcohol of the general formula (1) or (2) with an organic sulfonyl halide of the general formula (3) in a mixed solvent of an aprotic organic solvent and water in the presence of a non-water-prohibitive inorganic base. This process is reduced in the load on the environment and can be carried out simply, safely and economically: (1) (2) (3)(4) (5) wherein n is an integer of 0 to 5; A is optionally substituted phenyl; R is methanesulfonyl, ethanesulfonyl, p-toluenesulfonyl, or p-nitrobenzenesulfonyl; and X is chloro, bromo, or iodo.

Inventors:
KANO FUMIHIKO (JP)
KUNIHIRO SHIGEKI (JP)
YOSHIDA NORITAKA (JP)
MORI NATSUKI (JP)
Application Number:
PCT/JP2000/008277
Publication Date:
December 13, 2001
Filing Date:
November 24, 2000
Export Citation:
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Assignee:
KANEKA CORP (JP)
KANO FUMIHIKO (JP)
KUNIHIRO SHIGEKI (JP)
YOSHIDA NORITAKA (JP)
MORI NATSUKI (JP)
International Classes:
C07C303/28; C07D207/12; C07D207/24; C07D211/40; C07D223/08; C07C309/65; C07C309/66; C07C309/73; (IPC1-7): C07C309/65; C07C303/28; C07C309/73; C07B53/00; C07D207/12; C07D211/46; C07C309/76
Foreign References:
JPH01143852A1989-06-06
JPS62240651A1987-10-21
JPH09202763A1997-08-05
JPS61207370A1986-09-13
Other References:
See also references of EP 1288198A4
Attorney, Agent or Firm:
Yasutomi, Yasuo (Nishinakajima 5-chome Yodogawa-ku Osaka-shi, Osaka, JP)
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