Stereospecific Iron-Catalyzed Carbon(sp<sup>2</sup>)–Carbon(sp<sup>3</sup>) Cross-Coupling with Alkyllithium and Alkenyl Iodides
作者:Xiao-Lin Lu、Mark Shannon、Xiao-Shui Peng、Henry N. C. Wong
DOI:10.1021/acs.orglett.9b00394
日期:2019.4.19
An efficient synthetic protocol involving iron-catalyzed cross-coupling reactions between organolithium compounds and alkenyl iodides as key coupling partners was achieved. More than 30 examples were obtained with moderate to good yields and high stereospecificity. Gram-scale and synthetic applications of this procedure are recorded herein to demonstrate its feasibility and potential utilization.
Transmetalation as a Route to Novel Styryllithium Reagents
作者:Chinwon Rim、David Y. Son
DOI:10.1021/ol035193k
日期:2003.9.1
[structure: see text] Transmetalation of beta-tributyl(styryl)stannanes with n-BuLi gives the functional equivalents of the corresponding styryllithium intermediates. Reaction of the intermediates with chlorotrimethylsilane, iodomethane, or dimethyl sulfate gives the substituted styryl products in moderate to good yields. In all cases, the configuration about the double bond was retained in the products