Synthesis and X-ray crystal structures of tricyclic ketone containing trans-fused bicyclo[3.3.0]octane unit
作者:Fumihiko Saitoh、Miwako Mori、Kimio Okamura、Tadamasa Date
DOI:10.1016/0040-4020(94)01131-i
日期:1995.4
promoted diene cyclization of 13 and 17 followed by carbonylation and treatment with iodine and then 10% HCl gave two tricyclic ketones, 16a and 16b, by one pot. One of them posseces a trans-fused bicyclo[3.3.0]octane unit and the other has an angular triquinane, silphinene skeleton.