benzoic acid (Z,Z,Z)-(6S,7S,8S,13R,14S,15S,16S)-15-carbamoyloxy-7,13-bis(4-methoxybenzyloxy)-6,8,14,16-tetramethyleicosa-4,9,17,19-tetraenyl ester 在
碳酸氢钠 、
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以95%的产率得到Benzoic acid (4Z,9Z,17Z)-(6S,7S,8S,13R,14S,15S,16S)-15-carbamoyloxy-7,13-dihydroxy-6,8,14,16-tetramethyl-icosa-4,9,17,19-tetraenyl ester