Heteroatom-directed Wacker oxidations. A protection-free synthesis of (−)-heliophenanthrone
作者:Parag Mukherjee、Tarun K. Sarkar
DOI:10.1039/c2ob07095b
日期:——
of (−)-heliophenanthrone has been achieved without any protection–deprotection protocol at an overall yield of 28%. Key features of this synthesis comprise a heteroatom-directed Wackeroxidation of an internalcyclicolefin in addition to asymmetric Brown allylation and ring closing metathesis (RCM).