The synthesis of the isomeric D-homoazasteroido[3,2-c]- (3) and -[2,3-d]lisoxazoles (4) and A-homoazasteroido[17,16-c]isoxazole (6) are reported by the reaction of 2-hydroxymethylene-17α-aza-D-homo-5α-androstan-3,17-dione (2) and 16-hydroxymethylene-3-aza-A-homo-4α-androsten-4,17-dione (5) correpondingly with hydroxylammonium chloride.
D-homoazasteroido [3,2- c ]-(3)和-[2,3- d ] lisoxazoles(4)和A-homoazasteroido [17,16- c ] isoxazole(6)的合成已报道。 2-羟基亚甲基-17α-氮杂-D-homo-5α-雄酮-3,17-二酮(2)与16-羟基亚甲基-3-氮杂-A-homo-4α-雄酮-4,17-二酮的反应(5)相应地与羟铵氯化物。