发明名称 |
PROCESS FOR PRODUCING OPTICALLY ACTIVE CHROMENE OXIDE COMPOUND |
摘要 |
[PROBLEMS] To provide an efficient process for producing an optically active chromene oxide compound which is an important intermediate for a benzopyran compound effective in the treatment of arrhythmia. [MEANS FOR SOLVING PROBLEMS] The process for producing an optically active chromene oxide compound comprises using an optically active titanium complex represented by, e.g., the formula (1) or (2) as a catalyst to asymmetrically oxidize an optically active chromene compound with high enantioselectivity in high chemical yield. ® KIPO & WIPO 2009
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申请公布号 |
KR20080112290(A) |
申请公布日期 |
2008.12.24 |
申请号 |
KR20087024869 |
申请日期 |
2008.10.10 |
申请人 |
NISSAN CHEMICAL INDUSTRIES, LTD. |
发明人 |
KONDO SHOICHI;SARUHASHI KOWICHIRO;WATANABE HISAYUKI;KATSUKI TSUTOMU |
分类号 |
C07F7/28;C07B61/00;C07D491/153;C07D493/04 |
主分类号 |
C07F7/28 |
代理机构 |
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