Studies on Silyl Furans IV. A Novel Trimethylsilyl Group Migration: Formation of Ethyl 5-Chloro-4-trimethylsilyl-2-furoate with Sulfuryl Chloride in Dichloromethane.
作者:Kouji NAKAYAMA、Akira TANAKA
DOI:10.1248/cpb.40.1966
日期:——
The reaction of ethyl 5-trimethylsilyl-2-furoate (1) with sulfuryl chloride in dichloromethane afforded an unexpected product, ethyl 5-chloro-4-trimethylsilyl-2-furoate (2a), through a novel trimethylsilyl group migration.
Regio- and Chemoselective Synthesis of Fully Substituted Furans
作者:Paul Knochel、Fabian Piller
DOI:10.1055/s-0030-1260035
日期:2011.6
Highly functionalized furyl-, indolyl-, and pyrrolylmagnesium reagents are efficiently prepared by direct C-H activation by using regio- and chemoselective magnesium amide bases, such as (tetramethylpiperidyl)magnesium chloride-lithium chloride (TMPMgCl˙LiCl) or bis(tetramethylpiperidyl)magnesium-bis(lithium chloride) (TMP2Mg˙2LiCl), tolerated by a range of sensitive functional groups. These organometallic