发明授权
- 专利标题: Process for producing vitamin A aldehyde
- 专利标题(中): 生产维生素阿尔德的方法
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申请号: US618922申请日: 1990-11-28
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公开(公告)号: US5087762A公开(公告)日: 1992-02-11
- 发明人: Toshiki Mori , Takashi Onishi , Kazuo Yamamoto
- 申请人: Toshiki Mori , Takashi Onishi , Kazuo Yamamoto
- 申请人地址: JPX Kurashiki
- 专利权人: Kuraray Company Ltd.
- 当前专利权人: Kuraray Company Ltd.
- 当前专利权人地址: JPX Kurashiki
- 优先权: JPX2-1948 19900108
- 主分类号: B01J31/02
- IPC分类号: B01J31/02 ; C07B61/00 ; C07C45/61 ; C07C47/42 ; C07C403/14
摘要:
The invention provide a process for producing vitamin A aldehyde in high yield by oxidizing vitamin A with a aldehyde of the general formula (1) ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different and respectively represents a lower alkyl group or a lower alkenyl group in the presence of aluminum alkoxide in a catalytic amount.