rac-methyl (4R,4aS,6aR,9R,11aS,11bS)-4,11b-dimethyl-8-methylene-6-oxotetradecahydro-6a,9-methanocyclohepta[a]naphthalene-4-carboxylate-5,5-d2 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
以80 mg的产率得到methyl (1R,2R,4S,5R,9S,10S,13R)-3,3-dideuterio-2-hydroxy-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylate