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US06936718B2 Preparation of rotamer mixtures of pharmaceutical salts 失效
制备药用盐的旋转异构体混合物

Preparation of rotamer mixtures of pharmaceutical salts
摘要:
In one embodiment, the present invention discloses a process to directly prepare an unequal ratio of specific, preferred rotamer or rotameric pair of an acid salt from a basic compound, by creative choice of a solvent medium. The process is particularly useful in preparing desired rotamers of pharmaceutically useful salts.
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