1,1''-diacetyl-18',37'40'44'-tetramethoxy-dispirotetraoxaheptacyclo<34.2.2.217,20.13,7.16,10.122,26.125,29>hexatetraconta<3,5,7(46),8,10(45),17,19,22,24,26(42),27,29(41),36,38,39,43>hexadecaene-21',4''-piperidine> 在
硼烷四氢呋喃络合物 作用下,
反应 24.0h,
以60%的产率得到1,1''-diethyl-18',37'40'44'-tetramethoxy-dispiro
tetraoxaheptacyclo<34.2.2.217,20.13,7.16,10.122,26.125,29>hexatetraconta<3,5,7(46),8,10(45),17,19,22,24,26(42),27,29(41),36,38,39,43>hexadecaene-21',4''-piperidine>