Model Studies Toward the Synthesisof Natural Indans Utilizing a Thallium(III)-Mediated Ring-ContractionReaction
作者:Helena M. Ferraz、Andrea M. Aguilar、Luiz F. Silva
DOI:10.1055/s-2003-39172
日期:——
6-Methoxy-1-tetralone was transformed in six steps into an indan derivative related to the sesquiterpenes mutisianthol and jungianol. Key steps involve a thallium(III)-promoted ring-contraction (to assemble the indan unit) and a Wittig olefination (to attach the side chain).