A short synthesis of the erythrina skeleton and of (+/-)-alpha-lycorane.
[reaction: see text] A new nonchain 5-endo radical cyclization starting with xanthates was exploited in a short synthesis of (+/-)-alpha-lycorane and the erythrina ring system.
Miranda
Luis D
LD
Laboratoire de Sythèse Organique associé au CNRS, Ecole Polytechnique, 91128 Palaiseau, France.
Zard
Samir Z
SZ