专利号:WO-2009064476-A1 优先权日:2007-11-13 标 题 :Preparation of sitagliptin intermediate 发明人:PERLMAN NURIT; ETINGER MARINA; NIDDAM-HILDESHEIM VALERIE; ABRAMOV MILI 权利人:TEVA PHARMA; TEVA PHARMA; PERLMAN NURIT; ETINGER MARINA; NIDDAM-HILDESHEIM VALERIE; ABRAMOV MILI 摘要:Intermediate compounds in the synthesis of Sitagliptin, 3-amino-4-(2,4,5- trifluorophenyl)but-2-enoic acid alkyl ester, and amino protected-3-amino-4-(2,4,5- trifluorophenyl)but-2-enoic acid alkyl ester, and the stereoselective reduction of these compound to give Synthon I, or the amino-protected Synthon I, are provided.
专利号:US-2009192326-A1 优先权日:2007-11-13 标题 :Preparation of sitagliptin intermediate 发明人:PERLMAN NURIT; ETINGER MARINA; NIDDAM-HILDESHEIM VALERIE; ABRAMOV MILI 权利人:PERLMAN NURIT; ETINGER MARINA; NIDDAM-HILDESHEIM VALERIE; ABRAMOV MILI 摘要:Intermediate compounds in the synthesis of Sitagliptin, 3-amino-4-(2,4,5-trifluorophenyl)but-2-enoic acid alkyl ester, and amino protected-3-amino-4-(2,4,5-trifluorophenyl)but-2-enoic acid alkyl ester, and the stereoselective reduction of these compound to give Synthon I, or the amino-protected Synthon I, are provided.
专利号:CN-115124430-A 优先权日:2022-07-11 标 题 :A kind of synthesis technique of 2,2'-bis(trifluoromethyl)diaminobiphenyl
参考文献:10.1016/j.saa.2009.01.024 摘要:Mukherjee V, Singh K, Singh NP, Yadav RA. FTIR and Raman spectra and SQM force field calculation for vibrational analysis of 2,3,4- and 2,3,6-tri-fluoro-anilines. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 2009 Jul;73(1):44–53. doi: 10.1016/j.saa.2009.01.024.