C. Kuroda, Hiroyuki Nogami, Y. Ohnishi
Jan 20, 1997
Citations
0
Influential Citations
15
Citations
Journal
Tetrahedron
Abstract
Abstract Treatment of ethyl 10-oxo-2-(trimethylsilylmethyl)undeca-2,8-dienoate with a Lewis acid or fluoride afforded ethyl2-[2-(2-oxopropyl)cyclohex-1-yl]acrylate and/or7-acetyl-9-methylenebiocyclo-[4.3.0]nonan-8-one. Under these conditions the 2Z,8E- and 2Z,8Z-precursors give predominantly cis-disubstituted six-membered ring products, while the 2E,8E- and 2E-8Z-precursors give primarily trans-disubstituted six-membered ring products.