Title:
METHOD FOR ISOLATION OF N-PROTECTED S-PHENYLCYSTEINE
Document Type and Number:
WIPO Patent Application WO/2000/043360
Kind Code:
A1
Abstract:
High-quality N-protected S-phenylcysteine compounds represented by general formula (1) are easily, simply and efficiently isolated in high yield by salting out the compounds as salts thereof with bases in the presence of water. In said formula R?1¿ is an amino-protecting group; and R?2¿ is hydrogen or represents an amino-protecting group either independent of R?1¿ or together therewith.
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Inventors:
UEDA YASUYOSHI (JP)
MURAO HIROSHI (JP)
YAMASHITA KOKI (JP)
KINOSHITA KOICHI (JP)
MURAO HIROSHI (JP)
YAMASHITA KOKI (JP)
KINOSHITA KOICHI (JP)
Application Number:
PCT/JP2000/000274
Publication Date:
July 27, 2000
Filing Date:
January 21, 2000
Export Citation:
Assignee:
KANEKA CORP (JP)
UEDA YASUYOSHI (JP)
MURAO HIROSHI (JP)
YAMASHITA KOKI (JP)
KINOSHITA KOICHI (JP)
UEDA YASUYOSHI (JP)
MURAO HIROSHI (JP)
YAMASHITA KOKI (JP)
KINOSHITA KOICHI (JP)
International Classes:
C07C319/28; C07C323/59; (IPC1-7): C07C319/28; C07C323/59
Foreign References:
| JPH1029973A | 1998-02-03 | |||
| JPH10287642A | 1998-10-27 | |||
| JPH08325228A | 1996-12-10 | |||
| EP0826664A1 | 1998-03-04 | |||
| JPH11335351A | 1999-12-07 |
Other References:
See also references of EP 1067119A4
Attorney, Agent or Firm:
Yasutomi, Yasuo (Nishinakajima 5-chome Yodogawa-ku Osaka-shi, Osaka, JP)
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