The present invention relates to an efficient process for the separation of diastereomers of 9-[(R)-2-[[(R,S)-[[(S)-1-(Isopropoxycarbonyl)ethyl]amino]-phenoxyphosphinyl]methoxy]propyl]adenine and to a process for preparing 9-[(R)-2-[[(R)-[[(S)-1-(Isopropoxycarbonyl)ethyl]amino]phenoxyphosphinyl]methoxy]propyl]adenine and 9-[(R)-2-[[(S)-[[(S)-1-(Isopropoxycarbonyl)ethyl]amino]phenoxyphosphinyl]methoxy]propyl] adenine.
本发明涉及一种有效的分离9-[(R)-2-[[(R,S)-[[(S)-1-(异丙氧羰基)乙基]
氨基]-苯氧基
磷酰基]甲氧基]丙基]
腺嘌呤二对映体的过程,以及制备9-[(R)-2-[[(R)-[[(S)-1-(异丙氧羰基)乙基]
氨基]苯氧基
磷酰基]甲氧基]丙基]
腺嘌呤和9-[(R)-2-[[(S)-[[(S)-1-(异丙氧羰基)乙基]
氨基]苯氧基
磷酰基]甲氧基]丙基]
腺嘌呤的过程。