3,3-diethyl-5-methylspiro{(1-oxa-3-azonia-2-boratacyclopentane)-2,2'-(dibenzo{c,f}-1',4',2'-dioxaboratepine)} 、
1-Phenyl-2-morpholino-ethanol-(1)-N-oxid 以
乙醇 为溶剂,
以80%的产率得到4,4-(3-oxapentamethylene)-6-phenylspiro{(1,3-dioxa-4-azonia-2-boratacyclohexane)-2,2'-(dibenzo{c,f}-1',4',2'-dioxaboratepine)}