10-isocyano-10-methyl-5-methylene-10,11-dihydro-5H-dibenzo[a,d]cyclohepten 、 lithium aluminium tetrahydride 以
(2S)-N-methyl-1-phenylpropan-2-amine hydrate 、
乙醇 为溶剂,
以1.7 g (81%)的产率得到10-methyl-10-methylamino-5-methylene-10,11-dihydro-5H-dibenzo[a,d]cycloheptene hydrogen chloride