专利号:US-7153960-B2 优先权日:2001-12-10 标 题:Synthesis of 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones 发明人:ZHOU JIACHENG; OH LYNETTE M; MA PHILIP; LI HUI-YIN; CONFALONE PASQUALE 权利人:BRISTOL MYERS SQUIBB CO 摘要:A novel process and intermediates thereof for making 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones of the type shown below from appropriate phenyl hydrazines is described. n nThese compounds are useful as factor Xa inhibitors.
专利号:US-2003181466-A1 优先权日:2001-12-10 标 题:Synthesis of 4,5-dihydro-pyrazolo [3,4-c] pyrid-2-ones
专利号:US-2005245566-A1 优先权日:2001-12-10 标 题:Synthesis of 4,5-dihydro-pyrazolo [3,4-c] pyrid-2-ones
专利号:EP-1467984-A2 优先权日:2001-12-10 标 题:Synthesis of 4,5-dihydro-pyrazolo (3,4-c) pyrid-2-ones
专利号:US-2007027186-A1 优先权日:2001-12-10 标 题:Synthesis of 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones
专利号:EP-1467984-A4 优先权日:2001-12-10 标题:SYNTHESIS OF 4,5-DIHYDROPYRAZOLO (3,4-C) PYRID-2-ONES
参考文献:10.1007/s00706-017-1920-1 摘要:Nevuluri NR, Rapolu RK, Iqbal J, Kandagatla B, Sen S, Dahanukar VH, Oruganti S. A morpholine-free process amenable convergent synthesis of apixaban: a potent factor Xa inhibitor. Monatshefte für Chemie - Chemical Monthly. 2017 Apr 21;148(8):1477–82. doi: 10.1007/s00706-017-1920-1.