(+)-apovincamine-11-sulfonic acid (3-methoxypropyl)amide 在
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 为溶剂,
以74%的产率得到(15S,19S)-15-ethyl-17-(hydroxymethyl)-N-(3-methoxypropyl)-1,11-diazapentacyclo[9.6.2.02,7.08,18.015,19]nonadeca-2(7),3,5,8(18),16-pentaene-4-sulfonamide