22841-82-3Relevant articles and documents
Modification of Synthesis of Dihydrochrysanthemolactone from (+)-Car-3-ene
Lochynski, S.,Jarosz, B.,Walkowicz, M.,Piatkowski, K.
, p. 284 - 288 (2007/10/02)
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STEREOSPECIFIC CYCLOPROPENIC SYNTHESIS OF CIS-CHRYSANTHEMIC METHYL ESTER. 2. THE BY-PASSING DIAZOALKANE WAY (1).
Franck-Neumann, M.,Miesch, M.
, p. 1409 - 1412 (2007/10/02)
A stereospecific synthesis of cis-chrysanthemate by catalytic hydrogenation of a cyclopropene is described.The required precursor, a 3H-pyrazole, is obtained here via a novel dianion reaction and MnO2 dehydrogenation of a Δ2-pyrazoline, instead of the more cumbersome diazoaddition method.