An asymmetric synthesis of (R)-(+)-2-nonyl-2-(carbomethoxy) cyclopentanone, a known precursor of the antibiotic (−)-malyngolide
作者:André Guingant
DOI:10.1016/s0957-4166(00)82165-5
日期:1991.1
A synthesis of (R)-(+)-2-nonyl-2-(carbomethoxy)cyclopentanone 2 via an asymmetric Michael process involving the chiral β-enamino ester (+)-3 is described.
Asymmetric alkylation using chiral cyclic diols to prepare a quaternary carbon
作者:Keisuke Kato、Hiroshi Suemune、Kiyoshi Sakai
DOI:10.1016/s0040-4020(01)87012-5
日期:1994.3
Asymmetric alkylation of cyclic and acyclic beta-keto ester acetals (4, 5, 13, 14, and 18) with C-2-symmetric cycloalkane-1,2-dioxy moiety proceeded in a highly diastereoselective manner to afford enol ethers (9-12, 15-17, 19a-c) with a chiral quaternary carbon.
Application of chiral cyclic diols to asymmetric alkylation
作者:Keisuke Kato、Hiroshi Suemune、Koyoshi Sakai
DOI:10.1016/0040-4039(92)88062-a
日期:1992.1
Chiral cyclic (6- or 7-membered ring) diols were found to be excellent chiral auxiliaries for asymmetric alkylation of cyclic (or acyclic) beta-keto esters.
Kato Keisuke, Suemune Hiroshi, Sakai Kiyoshi, Tetrahedron, 50 (1994) N 11, S 3315-3326
作者:Kato Keisuke, Suemune Hiroshi, Sakai Kiyoshi
DOI:——
日期:——
SATO, TOSHIO;MAENO, HAJIME;NORO, TOMOHIRO;FUJISAWA, TAMOTSU, CHEMI LETT.,(1988) N 10, C. 1739-1742