trimethoxonium tetrafluoroborate 、
2-[2-(1H-Indol-3-yl)-ethyl]-6-oxo-2,6-dihydro-isoquinoline-5-carboxylic acid methyl ester 以
硝基甲烷 为溶剂,
反应 36.0h,
以49%的产率得到tetrafluoro-l4-borane, 2-(2-(1H-indol-3-yl)ethyl)-6-methoxy-5-(methoxycarbonyl)isoquinolin-2-ium salt