Title:
PROCESS FOR PRODUCING QUINONE COMPOUND
Document Type and Number:
WIPO Patent Application WO/2007/032378
Kind Code:
A1
Abstract:
A process for producing the compound represented by the following formula (1), which is menatetrenone. It is characterized in that a reaction solution consisting only of a solution obtained by dissolving the compound represented by the following formula (2): in a solvent is treated with an oxygen source without adding any additive other than water or an aqueous sodium chloride solution thereto. The process does not adversely influence the environment, is safe even in mass production, and is easy to operate.
Inventors:
TOMIYAMA TADASHI (JP)
SAIKA AKISUKE (JP)
SAIKA AKISUKE (JP)
Application Number:
PCT/JP2006/318138
Publication Date:
March 22, 2007
Filing Date:
September 13, 2006
Export Citation:
Assignee:
EISAI R&D MAN CO LTD (JP)
TOMIYAMA TADASHI (JP)
SAIKA AKISUKE (JP)
TOMIYAMA TADASHI (JP)
SAIKA AKISUKE (JP)
International Classes:
C07C46/08; C07C50/14
Foreign References:
| JPS54151932A | 1979-11-29 | |||
| JPS545958A | 1979-01-17 | |||
| JPS4936642A | 1974-04-05 | |||
| JPS6281347A | 1987-04-14 |
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (23rd Floor Roppongi Hills Mori Tower, 6-10-1, Roppong, Minato-ku Tokyo 23, JP)
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