860624-20-0Relevant articles and documents
Regioselective synthesis of functionalized furans by cyclization of 1,3-bis-silyl enol ethers with 1-chloro-2,2-dimethoxyethane
Bellur, Esen,Goerls, Helmar,Langer, Peter
, p. 2074 - 2090 (2005)
Cyclization of 1,3-bis-silyl enol ethers with 1-chloro-2,2-dimethoxyethane allowed an efficient, regio- and diastereo-selective synthesis of a variety of 2-alkylidene-4-methoxy-tetrahydrofurans. The TFA-mediated elimination of methanol resulted in the formation of functionalized furans. Simi larly, 2,3,3a,4,5,6-hexahydro-2,3-benzofurans were prepared and transformed into 4,5,6,7-tetrahydro-2,3-benzofurans by treatment with TFA Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005.
Chemo-, regio-, and stereoselective cyclizations of 1,3-bis(trimethylsilyloxy)-1,3-butadienes with α-chloroacetic acid chlorides and α-chloroacetic acetals
Langer, Peter
, p. 1720 - 1727 (2007/10/03)
Treatment of 1,3-bis(trimethylsilyloxy)-1,3-butadienes with α-chlorocarboxylic acid chlorides resulted in chemo- and regioselective formation of 6-chloro-3,5-dioxo esters, which were regioselectively converted into functionalised 3(2H)furanones. Chemo- an