Tetrahedron Asymmetry p. 289 - 292 (1993)
Update date:2022-08-10
Topics:
Krief, Alain
Surleraux, Dominique
Ropson, Nathalie
Dimethyl dimedone, a non chiral and cheap compound, has been converted to the optically actives 1-(R)-cis- and 1-(R)-trans-chrysanthemic acids possessing high economic value.These processes involve as the key steps (i) a cyclopropanation reaction (ii) a Grob fragmentation and (iii) a lipase monitored hydrolysis of a prochiral diacetate.
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(2016)
