苯甲酰氯 、
(1R,3R,4S,4aR,11aR)-4-Hydroxy-3-hydroxymethyl-1-methoxy-8-nitro-4,4a,11,11a-tetrahydro-1H,3H-2,5-dioxa-11-aza-dibenzo[a,d]cyclohepten-10-one 在
2,4,6-三甲基吡啶 作用下,
反应 15.0h,
以28%的产率得到Benzoic acid (1R,3R,4S,4aR,11aR)-4-hydroxy-1-methoxy-8-nitro-10-oxo-3,4,4a,10,11,11a-hexahydro-1H-2,5-dioxa-11-aza-dibenzo[a,d]cyclohepten-3-ylmethyl ester