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On the regioselectivity of the Ru-catalyzed intramolecular [5 + 2] cycloaddition.

作者信息

Trost B M, Shen H C

机构信息

Department of Chemistry, Stanford University, Stanford, California 94305-5080, USA.

出版信息

Org Lett. 2000 Aug 10;2(16):2523-5. doi: 10.1021/ol0061945.

DOI:10.1021/ol0061945
PMID:10956537
Abstract

The influence of substituents on which cyclopropyl bond cleaves in the cycloisomerization of cyclopropylenynes catalyzed by CpRu(N&tbd1;CCH(3))(3)(+)PF(6)(-) is compared to the corresponding Rh-catalyzed reaction. With the trans cyclopropyl substrates, the bond energy of the cleaving bond appears to be an important factor. With cis cyclopropyl substrates, steric effects appear to dominate.

摘要

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