Asymmetric cyclization of 2-butenylene dicarbamates catalyzed by chiral ferrocenylphosphine-palladium complexes: Catalytic asymmetric synthesis of optically active 2-amino-3-butenols
摘要：
Cyclization of 2-butenylene dicarbamates (RNHCOOCH 2CH=CHCH 2OCONHR: R = Ph, MeOC 6H 4, PhCH CH, etc.) in the presence of a palladium catalyst coordinated with chiral (hydroxyalkyl)-ferrocenylphosphine ligand gave optically active 4-vinyl-2-oxazolidones (up to 77% ee) in high yields, which were hydrolyzed to optically active 2-amino-3-butenols.
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关键词：
fluorescence counterstain nuclear counterstain immunocytochemistry propidium iodide cell culture
DOI：
10.1016/0040-4039(88)80027-3
被引量：
年份：
1988
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