| Literature DB >> 10822590 |
J H Rigby1, C R Heap, N C Warshakoon, M J Heeg.
Abstract
[formula: see text] Reaction of (eta 6-thiepin-1,1-dioxide)tricarbonylchromium(0) with excess terminal alkynes under photoactivation conditions affords novel pentacyclic adducts formally derived from a sequential [6 pi + 2 pi]/[6 pi + 2 pi]/[2 sigma + 2 pi] cycloaddition process.Entities:
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Year: 1999 PMID： 10822590 DOI： 10.1021/ol990687w
Source DB: PubMed Journal: Org Lett ISSN： 1523-7052 Impact factor: 6.005