4.4 Article

Carbon tether rigidity as a stereochemical tool directing intramolecular radical cyclizations

期刊

TETRAHEDRON LETTERS
卷 51, 期 17, 页码 2287-2290

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.02.117

关键词

Propargyl radical; Intramolecular cyclizaticm; Cobalt; Chemoselectivity; Diastereoselectivity

资金

  1. National Science Foundation [CHE-0707865]
  2. Direct For Mathematical & Physical Scien
  3. Division Of Chemistry [0742001] Funding Source: National Science Foundation

向作者/读者索取更多资源

The phenyl group incorporated into a carbon tether provides for the synthesis of 1,5-cyclodecadiynes with 95-100% d,l-diastereoselectivity due to intrinsic conformational constraints and preorganization of the Co(2)(CO)(6)-complexed propargyl intermediates. (C) 2010 Elsevier Ltd. All rights reserved.

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