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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

α-Sulfonyl Radical Initiated Intramolecular Tandem Radical Cyclization: Stereochemistries of a Pair of Doubly Cyclized Products

Lindsay T. Byrne, Manat Phomakotr, Chompoonut Poolsanong, Vichai Reutrakul, Brian W. Skelton and Allan H. White

Australian Journal of Chemistry 56(7) 715 - 717
Published: 30 June 2003

Abstract

Room-temperature single-crystal X-ray structure determinations are recorded for trans-1,2,3,3a,9,9a-Hexahydro-cyclopenta[b]-1-benzothiapyran-4,4-dioxide and its 3a-methyl analogue, minor products of the α-sulfonyl radical-initiated intramolecular tandem radical cyclization of H2C=CH(CH2)CRBrSO2Ph (R = H, CH3), confirming the assigned structures and rigorously establishing the trans relationship at the ring junctions.

https://doi.org/10.1071/CH02134

© CSIRO 2003

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