(7R,8R)-8-(5-(4-bromophenyl)-1H-imidazol-2-yl)-1,4-dithiaspiro[4.4]nonane-7-carboxylic acid 、
(R)-3-甲基吗啉 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二氯甲烷 为溶剂,
以140 mg的产率得到((7R,8R)-8-(5-(4-bromophenyl)-1H-imidazol-2-yl)-1,4-dithiaspiro[4.4]nonan-7-yl)((R)-3-methylmorpholino)methanone