4,5-二氯邻苯二甲酸酐置于potassium Fluoride,Sodium Hydroxide,盐酸羟胺,Sodium Methylate,对甲苯磺酰氯体系中,用 环丁砜,甲醇 作为反应溶剂,化学反应 5.0H,反应生成 2-氨基-4,5-二氟苯甲酸 参考文献:Synthesis Of 2-Bromo-4,5-Difluorobenzolc Acid 标题:Synthesis Of 2-Bromo-4,5-Difluorobenzolc Acid 摘要:The Synthesis Of 2-Bromo-4,5-Difluorobenzoic Acid Was Achieved From Difluorophthalic Anhydride By Either Using A Losen Rearrangement Or The Barton Bromodecarboxylation Reaction. DOI:10.1080/00397919209409255
专利号:US-7825244-B2 优先权日:2005-06-10 标题:Intermediates useful in the synthesis of alkylquinoline and alkylquinazoline kinase modulators, and related methods of synthesis 发明人:BAINDUR NAND; GAUL MICHAEL DAVID; KREUTTER KEVIN DOUGLAS; XU GUOZHANG 权利人:JANSSEN PHARMACEUTICA NV 摘要:The invention is directed to alkylquinoline and alkylquinazoline compounds of Formula C: n nwherein R 1 , R 2 , R 99 , and X are as defined herein, the use of such compounds in the synthesis of protein tyrosine kinase inhibitors, particularly inhibitors of FLT3 and/or c-kit and/or TrkB.
专利号:US-5783577-A 优先权日:1995-09-15 标题 :Synthesis of quinazolinone libraries and derivatives thereof 发明人:HOUGHTEN RICHARD A; OSTRESH JOHN M 权利人:TREGA BIOSCIENCES INC 摘要:The present invention provides synthetic combinatorial libraries of organic compounds based on the quinazolinone ring.
专利号:US-5436368-A 优先权日:1990-10-31 标题:Intermediates in the preparation of 4,5-difluoroanthranillic acid 发明人:BRAISH TAMIM F 权利人:PFIZER 摘要:Compounds of the formula ##STR1## which are intermediates in the preparation of 4,5-difluoroanthranilic acid, an intermediate itself in the synthesis of quinolone antibacterials, and methods of preparing these intermediates.
专利号:US-2007021436-A1 优先权日:2005-06-10 标 题 :Intermediates useful in the synthesis of alkylquinoline and alkylquinazoline kinase modulators, and related methods of synthesis
专利号:CA-2611219-A1 优先权日:2005-06-10 标题 :Intermediates useful in the synthesis of alkylquinoline and alkylquinazoline kinase modulators and related methods of synthesis
专利号:AU-2006258056-A1 优先权日:2005-06-10 标 题:Intermediates useful in the synthesis of alkylquinoline and alkylquinazoline kinase modulators and related methods of synthesis
摘要:Silva, V. L. M.; Pinto, D. C. G. A.; Santos, C. M. M.; Rocha, D. H. A., Science of Synthesis Knowledge Updates, (2022) 3, 232. 参考文献:10.1016/j.saa.2006.07.016 摘要:Sundaraganesan N, Ilakiamani S, Dominic Joshua B. FT-Raman and FT-IR spectra, ab initio and density functional studies of 2-amino-4,5-difluorobenzoic acid. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 2007 Jun;67(2):287–97. doi: 10.1016/j.saa.2006.07.016.