CAS: 2875-18-5; 2,3,5,6-Tetrafluoropyridine

相似化合物

76469-41-5 3512-18-3 700-16-3

上下游产品

CAS号700-16-3 五氟吡啶 | CAS号617-86-7 三乙基硅烷 | CAS号1333-74-0 氢 | CAS号789-25-3 三苯基硅烷 | CAS号16297-29-3 trimethyl-(2,3,... | CAS号71-43-2 苯 | CAS号16853-85-3 氢化铝锂 | CAS号836-77-1 N-氟代全氟哌啶 | CAS号110-86-1 吡啶 | CAS号714-37-4 2,2,3,3,4,4,5,5... | CAS号372-47-4 3-氟吡啶 | CAS号3512-18-3 2,3,6-三氟吡啶 | CAS号76469-41-5 2,3,5-三氟吡啶 | CAS号71902-33-5 3,5-二氟嘧啶 | CAS号247069-28-9 2-N,6-N-dibenzy... | CAS号851178-97-7 4-氯-3,5-二氟吡啶 | CAS号67815-54-7 3,4,5-三氟吡啶 | CAS号3534-50-7 3,5,6-三氟-吡啶-2-胺 | CAS号247069-27-8 2,6-二氨基-3,5-二氟吡啶 | CAS号3512-16-1 2,3,4,5-四氟吡啶

五氯吡啶置于potassium Fluoride,氯化铵,锌体系中,用 环丁砜,乙腈 用作溶剂,化学反应 9.0H,反应生成2,3,5,6-四氟吡啶
参考文献:3,5-二氟-2,6-二氨基吡啶的制备方法
标题:3,5-二氟-2,6-二氨基吡啶的制备方法
摘要:本发明公开了一种3,5‑二氟‑2,6‑二氨基吡啶的制备方法,属于化学药物中间体制备方法技术领域,利用2,3,4,5,6‑五氯吡啶为原料,经金属还原剂还原,氟化,胺解制备3,5‑二氟‑2,6‑二氨基吡啶.本发明方法,采用经济高效的催化剂,操作简单,反应时间短,工艺路线环境友好,收率较高,具有较高的工业化价值.

专利信息

专利号:US-2012215002-A1
优先权日:2009-10-09
标 题:Synthesis of optically active intermediate for the preparation of montelukast
发明人：LEFORT LAURENT
权利人:LEFORT LAURENT
摘要:The present invention relates to the synthesis of optically active alcohols by means of enantioselective hydrogenation of ketones in biphasic systems. In particular the present invention relates to the synthesis of an optically active alcohol of general formula (1).

专利号:US-2007260076-A1
优先权日:2003-12-05
标 题:Practical, Cost-Effective Synthesis of Ubiquinones
发明人：LIPSHUTZ BRUCE H; BERL VOLKER; SHEIN KARIN; WETTERICH FRANK
权利人:LIPSHUTZ BRUCE H; BERL VOLKER; SHEIN KARIN; WETTERICH FRANK
摘要:The present invention provides a convergent method for the synthesis of ubiquinones and ubiquinone analogues. Also provided are precursors of ubiquinones and their analogues that are useful in the methods of the invention. The invention further provides an improved method for the carboalumination of alkyne substrates.

专利号:US-2006167289-A1
优先权日:2003-12-05
标题 :Practical, cost-effective synthesis of ubiquinones
发明人：LIPSHUTZ BRUCE H; BERL VOLKER; SCHEIN KARIN; WETTERICH FRANK
权利人:ZYMES LLC
摘要:The present invention provides a convergent method for the synthesis of ubiquinones and ubiquinone analogues. Also provided are precursors of ubiquinones and their analogues that are useful in the methods of the invention. The invention further provides an improved method for the carboalumination of alkyne substrates.

专利号:US-6852895-B2
优先权日:2000-08-15
标题:Practical, cost-effective synthesis of CoQ10
发明人：LIPSHUTZ BRUCE H; MOLLARD PAUL
权利人:ZYMES INC
摘要:The present invention provides a convergent method for the synthesis of ubiquinones and ubiquinone analogues. Also provided are precursors of ubiquinones and their analogues that are useful in the methods of the invention.

专利号:US-7521478-B2
优先权日:2002-07-30
标 题 :Total synthesis of myriaporones
发明人：DEL POZO LOSADA CARLOS; FRANCESCH ANDRES; MARCHANTE CARMEN CUEVAS; ALVAREZ MARTA PEREZ
权利人:PHARMA MAR SAU
摘要:Compounds of the general formula (I) or a pharmaceutically acceptable salt, derivative, prodrug or stereoisomer thereof are provided: wherein the substituent groups defined by R are each independently selected from the group consisting of H, SiR′ 3 , SOR′, SO 2 X, C(â•?O)R′, C(â•?O)OR′, C(â•?O)NR′, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, aryl, heteroaryl or aralkyl; the group R′ is selected from substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, aminoalkyl, aryl, aralkyl and heterocyclic groups; and the group R″ is selected from the group consisting of H, OH, OR′, OCOR′, SH, SR′, SOR′, SO 2 R′, NO 2 , NH 2 , NHR′, N(R′) 2 , NHCOR′, N(COR′) 2 , NHSO 2 R′, CN, halogen, C(â•?O)H, C(â•?O)R′, CO 2 H, CO 2 R′, CH 2 OR, substituted or unsubstituted alkyl, substituted or unsubstituted haloalkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkylidene, substituted or unsubstituted alkynyl, substituted or unsubstituted aryl, substituted or unsubstituted aralkyl and substituted or unsubstituted heteroaromatic; with the proviso that the compound is not compound 1, 3 or 4 of U.S. Pat.No. 5,514,708. The compounds have antitumour activity. A synthetic route is also provided.

专利号:US-8648202-B2
优先权日:2008-07-25
标 题:Bis(perfluoroalkyl)phosphinous acids and derivatives and use thereof
发明人：HOGE BERTHOLD; BADER ANNE JULIA; KURSCHEID BORIS; IGNATYEV NIKOLAI MYKOLA; AUST EMIL FERDINAND
权利人:HOGE BERTHOLD; BADER ANNE JULIA; KURSCHEID BORIS; IGNATYEV NIKOLAI MYKOLA; AUST EMIL FERDINAND; MERCK PATENT GMBH
摘要:The invention relates to bis(perfluoroalkyl)phosphinous acids, bis(perfluoroalkyl)thiophosphinous acids and derivatives, the synthesis thereof and the use thereof, in particular for the synthesis of air-stable metal complexes for catalytic processes.