(1S)-(-)-莰烷酰氯 、
11,21-dibutoxy-16-oxaheptacyclo[15.12.0.02,15.03,12.04,9.020,29.023,28]nonacosa-1(17),2(15),3,6,9,11,13,18,20,22,25,28-dodecaene-5,8,24,27-tetrone 在
四甲基乙二胺 、
锌 作用下,
以
甲苯 为溶剂,
反应 1.0h,
生成 [11,21-dibutoxy-5,24,27-tris[[(1S,4R)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carbonyl]oxy]-16-oxaheptacyclo[15.12.0.02,15.03,12.04,9.020,29.023,28]nonacosa-1(17),2(15),3(12),4,6,8,10,13,18,20(29),21,23,25,27-tetradecaen-8-yl] (1S,4R)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylate