2-Cyclopropen-1,1-dicarbonsaeure- und Bicyclobutan-2,2-dicarbonsaeure-diester

DOI: 10.1055/s-1985-31366

Source and publish data:

Synthesis p. 871 - 873 (1985)

Update date:2022-07-29

Topics:

Authors:

Maier, Guenther

Wolf, Bernd

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Article abstract of DOI:10.1055/s-1985-31366

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.

Full text of DOI:10.1055/s-1985-31366

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