2-甲基-2,4-戊二醇 、
[Acetyloxy(2-oxa-17-thia-10-azonia-1-boranuidatetracyclo[8.7.0.03,8.011,16]heptadeca-3,5,7,9,11,13,15-heptaen-1-yloxy)boranyl] acetate 以
甲苯 为溶剂,
以75-85的产率得到(6S)-6-((4,4,6-trimethyl-1,3,2-dioxaborinan-2-yl)oxy)-6H-6l4-benzo[e]benzo[4,5][1,3,2]thiazaborolo[2,3-b][1,3,2]oxazaborinin-12-ium