14,19,24,26,28,30-Hexaethoxyhexacyclo[21.2.2.23,6.28,11.213,16.218,21]pentatriaconta-1(26),3(35),5,8(33),10,13,15,18,20,23(27),24,28,30-tridecaene-4,9,32,34-tetrone 在
sodium tetrahydroborate 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 0.5h,
以97%的产率得到14,19,24,26,28,30-Hexaethoxyhexacyclo[21.2.2.23,6.28,11.213,16.218,21]pentatriaconta-1(25),3,5,8(33),9,11(32),13(31),14,16(30),18,20,23,26,28,34-pentadecaene-4,9,32,34-tetrol