期刊
CHIRALITY
卷 17, 期 9, 页码 522-529出版社
WILEY
DOI: 10.1002/chir.20189
关键词
asymmetric catalysis; Salen ligand; aluminum complex; Lewis acid; Friedel-Crafts alkylation
A new valuable catalytic protocol for the preparation of synthetically useful beta indolyl nitro compounds bearing benzhydryl stereocenters is presented. The combined use of catalytic amounts of a commercially available chiral [SalenAlCl] complex and pyridine allowed, for the Friedel-Crafts alkylation reaction of indoles with aromatic nitro-olefins to be carried out in good yields and enantioselectivity (up to 63% ee).
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