3-[1-(2-dimethylcarbamoyl-ethyl)-1,3,4,9-tetrahydro-pyrano[3,4-b]indol-1-yl]-propionic acid methyl ester 在
盐酸 、 lithium borohydride 作用下,
以
四氢呋喃 、 1-[2-dimethylcarbamoyl)ethyl]-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-propionic acid methyl ester 为溶剂,
生成
3-[1-(3-hydroxy-propyl)-1,3,4,9-tetrahydro-pyrano[3,4-b]indol-1-yl]-N,N-dimethyl-propionamide