Tetrahedron Asymmetry p. 191 - 194 (1997)
Update date:2022-07-30
Topics:
Nagasaka, Tatsuo
Sato, Hiroto
Saeki, Shin-Ichiro
Racemic 1-azaspiro[4.4]nonane-2,6-dione 1 was easily synthesized from cyclopentanone in five steps and resolved via chiral acetals into enantiomers. Cephlotaxine (-)-3 and its enantiomer (+)-3 were obtained from (-)-1 and (+)-1, respectively, according to the literature.
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Doi:10.1016/S0008-6215(96)00229-7
(1996)Doi:10.1002/hlca.19670500839
(1967)Doi:10.1021/ja01148a559
()Doi:10.1016/S1381-1169(96)00233-6
(1997)Doi:10.1016/S0040-4039(97)00096-8
(1997)Doi:10.1016/S0957-4166(96)00467-3
(1996)
