Alkylation of stabilized acetylides in DMSO. Preparation of α,β-acetylenic alcohols and acetals.
作者:J.Michael Chong、Susanna Wong
DOI:10.1016/s0040-4039(00)85233-8
日期:1986.1
Stabilized terminal acetylenes 1 [e.g. R=CH2OTHP, Ph, CH(OEt)2] may be converted into lithioacetylides and readily alkylated with 1° alkyl halides in DMSO to afford functionalized disubstituted acetylenes.
200. The application of lithium alkynyls in the synthesis of long-chain dialkylacetylenes
作者:B. B. Elsner、P. F. M. Paul
DOI:10.1039/jr9510000893
日期:——
CHONG J. M.; WONG S., TETRAHEDRON LETT., 27,(1986) N 45, 5445-5448
作者:CHONG J. M.、 WONG S.
DOI:——
日期:——
The first palladium-catalyzed Sonogashira coupling of unactivated secondary alkyl bromides
作者:Gereon Altenhoff、Sebastian Würtz、Frank Glorius
DOI:10.1016/j.tetlet.2006.02.111
日期:2006.4
A palladium-carbene catalyzed Sonogashira coupling of unactivated alkylbromides with alkyl substituted alkynes is reported. For the first time, unactivated secondaryalkyl halides were successfully employed in Sonogashirareactions.