Studies in antifertility agents. XLI. Secosteroids. X. Synthesis of various stereoisomers of (±) 2,6β-diethyl-7α-ethynyl-3-(p-hydroxyphenyl)-trans-bicyclo[4.3.0]nonan-7β-ol

Article abstract of DOI:10.1016/0039-128X(83)90126-5

The syntheses of (±) 2α,6β-diethyl-7α-ethynyl-3α-(p-hydroxyphenyl)-trans-bicyclo[4.3.0]nonan-7β-ol, (±)2β,6β-diethyl-7α-ethynyl-3β-(p-methoxy-phenyl)-trans-bicyclo[4.3.0]nonan-7β-ol and (±) 2α,6β-diethyl-7α-ethynyl-3β-(p-hydroxyphenyl)-trans-bicyclo[4.3.0