1,1"-diacetyl-5',14',20',29',32',33',36'-heptamethyldispirotetraoxapentacyclo<26.2.2.23,6.213,16.218,21>octatriaconta<3,5,13,15,18,20,28,30,31,33,35,37>dodecaene-17',4"-piperidine> 在
硼烷四氢呋喃络合物 作用下,
反应 3.0h,
以91%的产率得到1,1"-diethyl-5',14',20',29',32',33',36'-heptamethyldispiro
tetraoxapentacyclo<26.2.2.23,6.213,16.218,21>octatriaconta<3,5,13,15,18,20,28,30,31,33,35,37>dodecaene-17',4"-piperidine>