4-溴苯甲酰氯 、 Acetic acid (1aR,1bS,4aR,5S,7aS,7bR,8S,9aS)-3-acetoxymethyl-4a,5,7b-trihydroxy-1,1,6,8-tetramethyl-9-oxo-1,1a,1b,4,4a,5,7a,7b,8,9-decahydro-cyclopropa[3,4]benzo[1,2-e]azulen-9a-yl ester 在
吡啶 作用下,
生成
Neophorbol-13,20-diacetat-3-p-brom-acetat