(2S,5R,6R)-6-(4-(3-methoxyprop-1-ynyl)phenyl)-5-methylpiperidine-2-carboxylic acid 在
2,3,5-三甲基吡啶 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以79%的产率得到(3R,4R,7R,8R,9aS,10aS)-4,8-Bis-[4-(3-methoxy-prop-1-ynyl)-phenyl]-3,7-dimethyl-octahydro-4a,8a-diaza-anthraquinone