Salts of optically active [4-(2-diphenylphosphanylnaphthalen-1-yl)phthalazin-1-yl]-(1-phenylethyl)amines represented by the formulas (1) to (4) with an optically active organic sulfonic acid, and a production method thereof.
具有光学活性的[4-(2-
二苯基膦酰基
萘-1-基)
酞嗪-1-基]-(1-苯基乙基)胺与具有光学活性的有机
磺酸的盐及其生产方法。