methyl 14-cyclohexyl-7(R,S)-{2-[methyl(N-methyl-β-alanyl)amino]ethyl}-7,8-dihydro-6H-indolo[1,2-e][1,5]benzoxazocine-11-carboxylate 、 在
甲醇盐酸 、 crude material 、 Ethyl acetate methanol triethylamine 作用下,
以
四氢呋喃 为溶剂,
反应 5.0h,
以affording the product as a yellow oil (48%, over steps 8, 9)的产率得到methyl 14-cyclohexyl-7(R,S)-(2-{methyl[3-(methylamino)propyl]amino}ethyl)-7,8-dihydro-6H-indolo[1,2-e][1,5]benzoxazocine-11-carboxylate