ASYMMETRIC-SYNTHESIS OF )-METHYL(2-METHOXYCARBONYLCYCLOPENT-2-ENYL)ACETATE AND )-METHYL(2-METHOXYCARBONYLCYCLOPENT-2-ENYL)ACETATE AND (R)-2-(2-HYDROXYMETHYL-CYCLOPENT-2-ENYL)ETHANOL AND (S)-2-(2-HYDROXYMETHYL-CYCLOPENT-2-ENYL)ETHANOL
Jg. Urones et al., ASYMMETRIC-SYNTHESIS OF )-METHYL(2-METHOXYCARBONYLCYCLOPENT-2-ENYL)ACETATE AND )-METHYL(2-METHOXYCARBONYLCYCLOPENT-2-ENYL)ACETATE AND (R)-2-(2-HYDROXYMETHYL-CYCLOPENT-2-ENYL)ETHANOL AND (S)-2-(2-HYDROXYMETHYL-CYCLOPENT-2-ENYL)ETHANOL, Tetrahedron : asymmetry, 8(16), 1997, pp. 2683-2685
(R)- and (S)-Methyl (2-methoxycarbonylcyclopent-2-enyl)aceta I and (R)
and (S)-2-(2-hydroxymethyl-cyclopent-2-enyl)ethanol 2 have been obtain
ed from dimethyl (E,E)-octa-2,6-diendioate 3 by a diastereoselective t
andem conjugate addition protocol, from (R)- and (S)-lithium (alpha-me
thylbenzyl)benzylamide 4 respectively. (C) 1997 Elsevier Science Ltd.