CAS: 1134-35-6; 4,4'-Dimethyl-2,2'-Bipyridine

上下游产品

CAS号4926-28-7 2-溴-4-甲基吡啶 | CAS号108-89-4 4-甲基吡啶 | CAS号59576-26-0 2-乙酰基-4-甲基吡啶 | CAS号5315-25-3 2-溴-6-甲基吡啶 | CAS号109-04-6 2-溴吡啶 | CAS号301652-23-3 4-甲基-2-(三正丁基锡)吡啶 | CAS号3510-66-5 2-溴-5-甲基吡啶 | CAS号695-34-1 2-氨基-4-甲基吡啶 | CAS号3678-62-4 2-氯-4-甲基吡啶 | CAS号104704-09-8 4'-甲基-[2,2'-联吡啶... | CAS号103946-54-9 4'-甲基-2,2'-联吡啶-4-甲酸 | CAS号104704-11-2 2-[4-(3-bromopr... | CAS号150701-11-4 2-[4-[2-(2,5-di... | CAS号141119-78-0 4-(4-chlorobuty... | CAS号199282-52-5 trimethyl-[[2-[... | CAS号192863-71-1 4-methyl-2-(4-m... | CAS号99970-84-0 2,2'-双吡啶-4,4'-二甲醛 | CAS号81998-04-1 4-羟甲基-4'-甲基-2,2'-联吡啶 | CAS号81998-05-2 4-(溴甲基)-4'-甲基-2...

4,4'-二甲基-2,2'-联吡啶1,1'-二氧化物置于lithium Tetrafluoroborate体系中,用 水,乙腈 用作溶剂,化学反应 4.0H,以81%的收率获得4,4'-二甲基-2,2'-联吡啶
参考文献:一种温和的杂环氮氧化物电化学还原方法.
标题:一种温和的杂环氮氧化物电化学还原方法.
摘要:杂芳族 N-氧化物的脱氧通常使用化学或酶促方法完成.在这项工作中,我们报告了在温和条件下电化学还原吡啶 N-氧化物衍生物的权宜之计.多种单氮氧化物和双氮氧化物以非常好的收率转化为相应的氮碱.重要的是,该方法对 N-氧化物具有高度选择性,并且可以耐受杂芳环中具有挑战性的卤素和硝基取代基.
Doi:10.1002/ejoc.202000377

专利信息

专利号:US-8153839-B2
优先权日:2005-09-14
标题:Method for synthesis of keto acids or amino acids by hydration of acetylene compound
发明人：OGO SEIJI; FUKUZUMI SHUN-ICHI
权利人:OGO SEIJI; FUKUZUMI SHUN-ICHI; JAPAN SCIENCE & TECH AGENCY
摘要:An object of the present invention is to provide a method for synthesis of keto acids by hydration of an acetylene compound (acetylene-carboxylic acids) under mild conditions free from harmful mercury catalysts and a method for synthesis of amino acids from acetylene-carboxylic acids in a single container (one-pot or tandem synthesis). In one embodiment of the method according to the present invention for synthesis of keto acids, acetylene-carboxylic acids is hydrated in the presence of a metal salt represented by General Formula (1), n nwhere M 1 represents an element in Group VIII, IX, or X of the periodic table, and X 1 , X 2 , or X 3 ligand represents halogen, H 2 O, or a solvent molecule, and k represents a valence of a cation species, and Y represents an anion species, and L represents a valence of the anion species, and each of K and L independently represents 1 or 2, and k×m=L×n.

专利号:US-2021107859-A1
优先权日:2018-04-06
标题 :A process for the synthesis of carbon labeled organic compounds
发明人：AUDISIO DAVIDE; CANTAT THIBAULT; DESTRO GIANLUCA
权利人:COMMISSARIAT ENERGIE ATOMIQUE
摘要:A process for the synthesis of a carbon labeled organic compound containing a carbon labeled carboxyl group is described. A method of using carbon labeled organic compounds containing a carbon labeled carboxyl group according to the present disclosure; a process for manufacturing labeled pharmaceuticals and agrochemicals comprising synthesis of carbon labeled organic compounds containing a carbon labeled carboxyl group according to the present disclosure; and a process for producing tracers comprising synthesis of carbon labeled organic compounds containing a carbon labeled carboxyl group according to the present disclosure are also described.

专利号:US-8735586-B2
优先权日:2007-06-26
标 题 :Regioselective copper catalyzed synthesis of benzimidazoles and azabenzimidazoles
发明人：ALONSO JORGE; LINDENSCHMIDT ANDREAS; NAZARÉ MARC; URMANN MATTHIAS; HALLAND NIS; RKYEK OMAR
权利人:ALONSO JORGE; LINDENSCHMIDT ANDREAS; NAZARÉ MARC; URMANN MATTHIAS; HALLAND NIS; RKYEK OMAR; SANOFI SA
摘要:The present invention relates to a process for the regioselective synthesis of compounds of the formula I, n nwherein R0; R1; R2; R3; R4; R5; A1; A2; A3; A4, Q and J have the meanings indicated in the claims. The present invention provides a direct copper catalyzed regioselective process to a wide variety of unsymmetrical, multifunctional N-substituted benzimidazoles or azabenzimidazoles of formula I starting from 2-halo-nitroarenes and N-substituted amides.

专利号:US-2014046064-A1
优先权日:2010-12-03
标题:Process for the Synthesis of Precursor Complexes of Titanium Dioxide Sensitization Dyes Based on Ruthenium Polypyridine Complexes
发明人：BOARETTO RITA; BUSATTO EVE; CARLI STEFANO; FRACASSO SANDRO; CARAMORI STEFANO; BIGNOZZI CARLO ALBERTO
权利人:DYEPOWER
摘要:The present invention concerns a process for the synthesis of precursor complexes and titanium dioxide sensitizing dyes based on ruthenium polypyridine complexes comprising the microwave irradiation under high pressure and in aqueous environment system of precursor complexes and sensitizers based on carboxylic functionalized ruthenium polypyridine complexes

专利号:US-2015361267-A1
优先权日:2010-12-03
标 题:Process for the Synthesis of Precursor Complexes of Titanium Dioxide Sensitization Dyes Based on Ruthenium Polypyridine Complexes
发明人：BOARETTO RITA; BUSATTO EVA; CARLI STEFANO; FRACASSO SANDRO; CARAMORI STEFANO; BIGNOZZI CARLO ALBERTO
权利人:DYEPOWER
摘要:The present invention concerns a process for the synthesis of both precursor complexes and dye sensitizers for titanium dioxide based on ruthenium polypyridine complexes comprising microwave irradiation, under high pressure and in aqueous environment system

专利号:EP-2173747-B1
优先权日:2007-06-26
标 题:A regioselective metal catalyzed synthesis of annelated benzimidazoles and azabenzimidazoles
发明人：ALONSO JORGE; LINDENSCHMIDT ANDREAS; NAZARE MARC; R KYEN OMAR; URMANN MATHIAS; HALLAND NIS
权利人:SANOFI SA
摘要:The present invention relates to a process for the regioselective synthesis of compounds of the formula I, wherein R1; R2; R3; R4; J1; J2; J3; J4 and G have the meanings indicated in the claims. The present invention provides a direct metal, e.g. palladium or copper, catalyzed, regioselective process to a wide variety of unsymmetrical, multifunctional N-substituted benzimidazoles or azabenzimidazoles of formula I starting from 2-halo-nitroarenes and N-substituted amides.