| Literature DB >> 12529129 |
Harinath Chakrapani1, Cong Liu, Ross A Widenhoefer.
Abstract
[reaction: see text] Reaction of 4,4-dicarbomethoxy-1-octene-6-yne (1) with triethylsilane and a catalytic 1:1 mixture of [Rh(COD)(2)](+) SbF(6)(-) and (R)-BIPHEMP (5 mol %) at 70 degrees C for 90 min gave (Z)-1,1-dicarbomethoxy-3-(1-triethylsilyl)ethylidene-4-methylcyclopentane (2) in 81% isolated yield with 98% de and 92% ee.Entities:
Mesh：
Substances：
Year: 2003 PMID： 12529129 DOI： 10.1021/ol027196n
Source DB: PubMed Journal: Org Lett ISSN： 1523-7052 Impact factor: 6.005