Tetrahedron Letters p. 271 - 274 (1996)
Update date:2022-08-03
Topics:
Hayes, Christopher J.
Pattenden, Gerald
Treatment of the E-α,β-unsaturated selenyl esters and 1 and 3a with Bu3SnH-AIBN produces the corresponding cyclohexones 2 and 7/8 respectively via presumed α-ketene alkyl radical intermediates. In a similar manner the cyclopropyl ester 9 leads to a mixture of 12 and 13, and the 2,7-diene selenyl ester 15 undergoes a novel bi-cyclisation producing the diquinane 17 in 76% yield.
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