Synthesis and Crystal Structure of Optically Active 2-(Benzyl(phenyl)amino)ethyl 5-(5,5-Dimethyl-2-oxo-1,3,2-dioxaphosphorinan-2-yl)-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3-pyridinecarboxylate(NZ-105).
作者:Ryozo SAKODA、Hiroo MATSUMOTO、Kiyotomo SETO
DOI:10.1248/cpb.40.2377
日期:——
(S)-2-[Benzyl(phenyl)amino]ethyl 5-(5, 5-dimethyl -2-oxo-1, 3, 2-dioxaphosphorinan-2-yl)-1, 4-dihydro-2, 6-dimethyl-4-(3-nitrophenyl)-3-pyridinecarboxylate ((S)-NZ-105) and R isomer were synthesized throuth the fractional crystallization of (S)-2-Methoxy-2-phenylethyl 5-(5, 5-dimethyl-2-oxo-1, 3, 2-dioxaphosphorinan-2-yl)-1, 4-dihydro-2, 6-dimethyl-4-(3-nitrophenyl)-3-pyridinecarboxylate. Calcium antagonism activity was found to reside in the S isomer from single crystal X-ray diffraction analysis
(S)-2-[苄基(苯基)氨基]乙基 5-(5, 5-二甲基-2-氧代-1, 3, 2-二氧磷杂膦-2-基)-1, 4-二氢-2, 6-通过分级结晶合成4-(3-硝基苯基)-3-吡啶甲酸二甲酯((S)-NZ-105)和R异构体(S)-2-甲氧基-2-苯乙基 5-(5, 5-二甲基-2-氧代-1, 3, 2-二氧磷杂膦-2-基)-1, 4-二氢-2, 6-二甲基-4 -(3-硝基苯基)-3-吡啶甲酸。单晶X射线衍射分析发现钙拮抗活性存在于S异构体中