📜(R)-5-Acetoxy-7-Chloro-1-(P-Toluenesulfonyl)-2,3,4,5-Tetrahydro-1H-1-Benzazepine置于吡啶,盐酸,Sodium Hydride,Potassium Carbonate,Magnesium体系中,用 甲醇,二氯甲烷,N,N-二甲基甲酰胺 用作溶剂,化学反应 24.5H,反应生成(R)-(+)-托伐普坦
参考文献:An Efficient Synthesis Of Optical Isomers Of Vasopressin V2 Receptor Antagonist Opc-41061 By Lipase-Catalyzed Enantioselective Transesterification
标题:An Efficient Synthesis Of Optical Isomers Of Vasopressin V2 Receptor Antagonist Opc-41061 By Lipase-Catalyzed Enantioselective Transesterification
摘要:The Optically Active Enantiomers Of 7-Chloro-5-Hydroxy-1-[2-Methyl-4-(2-Methylbenzoylamino)Benzoyl]-2,3,4,5-Tetrahydro-1H-1-Benzazepine (Opc-41061,1) Were Enantioselectively Synthesized. The Chiral Acetate ((R)-(-)-3) And The Chiral Alcohol ((S)-(+)-2) Were Prepared Via The Resolution Of The Racemic Alcohol ((+/-)-2) Using The Lipase-Mediated Transesterification With Vinyl Acetate. Compounds ((R)-(-)-3) And ((S)-(+)-2) Were Converted To Optically Active 1.
Doi:10.3987/com-99-S(I)2