spiro[1-oxa-3-azonia-2-boranuidacyclopentane-2,2'-2-boranuidatricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,11,13-hexaene] 、
N-(2-hydroxy-2-phenylethyl)perhydroazepine N-oxide 以
乙醇 为溶剂,
以71%的产率得到4,4-hexamethylene-6-phenylspiro{(1,3-dioxa-4-azonia-2-boratacyclohexane)-2,1'-(4',5'-dihydrodibenzo{b,f}boratepin)}