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CRYSTAL FORMS AND METHODS OF SYNTHESIS OF (2R, 6R)-HYDROXYNORKETAMINE AND (2S, 6S)-HYDROXYNORKETAMINE
CRYSTAL FORMS AND METHODS OF SYNTHESIS OF (2R, 6R)-HYDROXYNORKETAMINE AND (2S, 6S)-HYDROXYNORKETAMINE
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机译:晶体形式和合成方法(2R,6R) - 羟基炔胺和(2S,6S) - 羟基炔胺
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摘要
The disclosure provides a method for synthesizing free base forms of (2R,6R)-hydroxynorketamine (HNK) and (2S,6S)-hydroxynorketamine. In an embodiment synthesis of (2R,6R)-hydroxynorketamine (HNK) includes preparation of (R)-norketamine via chiral resolution from racemic norketamine via a chiral resolution with L-pyroglutamic acid. The disclosure also provided crystal forms of the corresponding (2R,6R)-hydroxynorketamine (HNK) and (2S,6S)-hydroxynorketamine hydrochloride salts.
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