1100
Bbossi, Gbethe,
Teitel, Wildman, and Bailey
J. Org. Chem. 1970.35:1100-1104. Downloaded from pubs.acs.org by KAROLINSKA INST on 01/23/19. For personal use only.
terial (vpc, SE-30, 200°). Upon distillation, a main cut, 94 g, bp 77° (15 mm), n20d 1.4545, of a 91:9 isomeric mixture of 6 and 6a (vpc, 20M, 90°) was obtained. Cyclization of 9.—