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Title:
METHOD FOR PRODUCING (R)-1,1,3-TRIMETHYL-4-AMINOINDANE
Document Type and Number:
WIPO Patent Application WO/2015/118793
Kind Code:
A1
Abstract:
Provided is a method for producing (R)-1,1,3-trimethyl-4-aminoindane, the method including the following steps (A), (B) and (C). (A): A step of optically resolving 1,1,3-trimethyl-4-aminoindane so as to obtain (R)-1,1,3-trimethyl-4-aminoindane and (S)-1,1,3-trimethyl-4-aminoindane. (B): A step of racemizing the (S)-1,1,3-trimethyl-4-aminoindane obtained in step (A) or step (C) so as to obtain 1,1,3-trimethyl-4-aminoindane. (C): A step of optically resolving the 1,1,3-trimethyl-4-aminoindane obtained in step (B) so as to obtain (R)-1,1,3-trimethyl-4-aminoindane and (S)-1,1,3-trimethyl-4-aminoindane.

Inventors:
MATSUNAGA TADAFUMI (JP)
HIRAGURI NATSURU (JP)
TAKAHASHI TOMOAKI (JP)
INUI TOMOHIKO (JP)
TANIMOTO MASAYA (JP)
Application Number:
JP2014/084766
Publication Date:
August 13, 2015
Filing Date:
December 26, 2014
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C07C209/88; C07C209/84; C07C211/60; C07D231/14; C07B57/00
Domestic Patent References:
WO2014034957A12014-03-06
WO2014069611A12014-05-08
Foreign References:
JP2012025735A2012-02-09
JPH1072410A1998-03-17
Other References:
See also references of EP 3103789A4
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
Nakayama δΊ¨ (JP)
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