102127-54-8Relevant articles and documents
2-Cyclopropen-1,1-dicarbonsaeure- und Bicyclobutan-2,2-dicarbonsaeure-diester
Maier, Guenther,Wolf, Bernd
, p. 871 - 873 (2007/10/02)
Cyclopropenation of bis-acetylene with diazomalonic esters affords 2,3-disilylated cyclopropene-1,1-dicarboxylic esters which are desilylated to 2-cyclopropene-1,1-dicarboxylic esters by treatment with potassium flouride/crown ethers in acetonitrile.Two independent routes to silylated and non-silylated bicyclobutane-2,2-dicarboxylic esters are described.