86118-53-8Relevant articles and documents
Generation of Diastereomeric Cyclopropanes from Benzylidenesulfuranes and Chalcones
Stahl, Ingfried,Schomburg, Sabine,Kalinowski, Hans Otto
, p. 2247 - 2260 (2007/10/02)
The reaction of the benzylidenesulfuranes 2, available by deprotonation of the benzylsulfonium bromides 1, with chalcones 3, which are substituted in the aroyl part, leads to the stereoisomeric cyclopropanes 4 and 5.The stereochemistry of 4 and 5 is elucidated by spectroscopy.A carbenic mechanism of formation of 4 and 5 is excluded experimentally.