Ee. Levinson et Vf. Traven, SYNTHESIS OF 3,24-DIEPICASTASTERONE - A NATURAL BRASSINOSTEROID WITH A TRANS-2-ALPHA-3-BETA-DIOL FUNCTION, Journal of chemical research. Synopses, (4), 1996, pp. 196-197
3,24-Diepicastasterone [(22R,23R,24R)-2 alpha,3 beta,22,23-tetrahydrox
y-5 alpha-ergostan-6-one (3)], a natural brassinosteroid with a 2 alph
a,3 beta-diol function, has been synthesized from ergosterol (5) in th
irteen steps.