62138-41-4Relevant articles and documents
PROCESS FOR PRODUCTION OF FORMYLCYCLOPROPANECARBOXYLIC ESTERS
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Page/Page column 7, (2008/06/13)
There is provided a production method of formylcyclopropanecarboxylate compound of formula (2): wherein R1 and R2 are as defined below, ???which comprises reacting ???a cyclopropanecarboxylate compound of formula (1): wherein and R1 represent a linear, branched or cyclic alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aralkyl group, ???R2 represents a hydrogen atom or a methyl group, with at least one oxidizer selected from the group consisting of hypohalite, N-halosuccinimide, a trichloroisocyanuric acid, and iodine, ???in the presence of a nitroxy radical compound.
Novel synthesis of (d,l) trans-chrysanthemic acid involving a β-diketone fragmentation
Krief, Alain,Jeanmart, Stephane
, p. 6167 - 6168 (2007/10/03)
Methyl (d,l) trans-chrysanthemate as well as its cis-diastereoisomer have been prepared from dimethyl dimedone, one of their isomers, in a few steps and with complete control of the relative stereochemistry.
ALLYLIC STEREOCENTRE DIRECTED CYCLOPROPANATION. A NEW HIGHLY ENANTIOSELECTIVE SYNTHESIS OF HEMICARONIC ALDEHYDE
Bernardi, Anna,Scolastico, Carlo,Villa, Roberto
, p. 3733 - 3734 (2007/10/02)
isopropyledenetriphenylphosphorane reacts with oxazolidine 4 with excellent ?-face selectivity.The title compound is obtained in high optical purity after removal of the chiral auxiliary.