7,7-bis(hydroxymethyl)-4,5α-epoxy-3-methoxy-17-methylmorphinan-6β-ol hydrochloride 、
对甲苯磺酰氯 以
吡啶 为溶剂,
以12%的产率得到((4R,4aR,6S,7R,7aR,12bS)-7-hydroxy-6-(hydroxymethyl)-9-methoxy-3-methyl-2,3,4,4a,5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-6-yl)methyl 4-methylbenzenesulfonate