发明名称 |
Process for producing beta-carotene, and intermediate compounds useful for the process. |
摘要 |
<p>Provided is a novel process for readily producing beta - carotene which comprises reacting a sulfone compound represented by the general formula (1), (2) or (3) with an alkali, <CHEM> wherein R represents a phenyl group which may be substituted, R' a protecting group of acetal type and X a halogen atom.</p> |
申请公布号 |
EP0461653(B1) |
申请公布日期 |
1994.09.14 |
申请号 |
EP19910109726 |
申请日期 |
1991.06.13 |
申请人 |
KURARAY CO., LTD. |
发明人 |
MORI, TOSHIKI;FUJII, HIROSHI;ONISHI, TAKASHI;YAMAMOTO, KAZUO |
分类号 |
C07C315/04;C07C317/10;C07C317/24;C07C403/04;C07C403/24;(IPC1-7):C07C403/24 |
主分类号 |
C07C315/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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