A novel chromium(0)-promoted four-component cycloaddition reaction |
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| Authors: | Rigby J H Heap C R Warshakoon N C Heeg M J |
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| Institution: | Department of Chemistry, Wayne State University, Detroit, Michigan 48202-3489, USA. jhr@chem.wayne.edu |
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| 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. |
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