Title:
NEW IMIDAZOBENZOTHIAZINE DERIVATIVE
Document Type and Number:
Japanese Patent JPH10130273
Kind Code:
A
Abstract:
To obtain the subject new compound expected to have utility as medicine and agrochemical.
This compound is shown by formula I (R1 is a 1-6C alkyl; R2 is a 1-2C alkyl; R2 and R3 are each a 1-2C alkyl, a halogen or nitro) such as 4H-imidazo[2,1-c][1,4]benzothiazine-2-carboxylate, etc. The compound is obtained, for example, by reacting a 1,4-benzothiazine derivative of formula II as a starting raw material with a halopyruvic acid ester such as ethyl bromopyruvate to give a quaternary ammonium salt of formula III as an intermediate and heating the intermediate under reflux.
Inventors:
KUROKI MASATAKA
AYABE SEIJI
NISHIYAMA HIROYUKI
MIYAKOSHI TETSUO
AYABE SEIJI
NISHIYAMA HIROYUKI
MIYAKOSHI TETSUO
Application Number:
JP30729696A
Publication Date:
May 19, 1998
Filing Date:
November 01, 1996
Export Citation:
Assignee:
SOGO YATSUKO KK
International Classes:
C07D279/16; C07D513/04; (IPC1-7): C07D513/04
Attorney, Agent or Firm:
Akio Tanaka
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