Title:
含硫アミノ酸またはその塩の製造方法
Document Type and Number:
Japanese Patent JP5741099
Kind Code:
B2
Abstract:
According to the present invention, a new process for producing a sulfur-containing amino acid without using of hydrogen cyanide or sodium azide which requires careful handling as a raw material can be provided. The present invention relates to a process for producing a sulfur-containing amino acid represented by the following formula (1) or a salt thereof: wherein R1 is an alkyl group having 1 to 12 carbon atoms and optionally having substituents or a cycloalkyl group having 3 to 12 carbon atoms and optionally having substituents, and n is an integral number of from 1 to 4, comprising a step of reacting a sulfur-containing 2-ketocarboxylic acid represented by the formula (2) or a salt thereof: wherein R1 and n mean the same as defined above, with ammonia and hydrogen in the presence of a transition metal catalyst.
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Inventors:
Kazuyasu Tani
Hirose Taro
Hirotoshi Hagiya
Hirose Taro
Hirotoshi Hagiya
Application Number:
JP2011060299A
Publication Date:
July 01, 2015
Filing Date:
March 18, 2011
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
C07C319/20; B01J23/44; B01J23/46; B01J25/00; B01J25/02; C07C323/58
Domestic Patent References:
| JP2008501738A | ||||
| JP9176111A | ||||
| JP61091159A |
Foreign References:
| WO2006113085A2 |
Attorney, Agent or Firm:
Toru Nakayama
Toru Sakamoto
Toru Sakamoto