dimethyl sulfide borane 、
33,34,35-trimethoxy-5,10,15-trimethyl-22,25,30-trioxa-1,19-diazapentacyclo[17.8.5.13,7.113,17]pentatriaconta-3,5,7(35),8,10,12(34),13,15,17(33)-nonaene-2,18-dione 以
四氢呋喃 为溶剂,
以73%的产率得到hexahydro(33,34,35-trimethoxy-5,10,15-trimethyl-22,25,30-trioxa-1,19-diazapentacyclo[17.8.5.1(3,7).1(8,12).1(13,17)]pentatriaconta-3,5,7(35),8,10,12(34),13,15,17(33)-nonaene-N(1):N(19))diboron