CAS: 6631-37-4; N-Phenylpyridin-2-Amine

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25194-51-8 192217-97-3 863221-45-8

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2,2-Difluoro-N-Phenyl-2-Pyridin-2-Ylsulfonylacetamide置于sodium Hydride体系中,用 N,N-二甲基甲酰胺 作为反应溶剂,化学反应 3.0H,以92%的收率获得产物2-苯胺基吡啶
参考文献:用二氟甲基2-吡啶基砜进行异氰酸酯的亲核二氟烷基化
标题:用二氟甲基2-吡啶基砜进行异氰酸酯的亲核二氟烷基化
摘要:用二氟甲基2-吡啶基砜进行异氰酸酯的亲核二氟烷基化,可提供非常好或优异的收率的2,2-二氟-2-吡啶基磺酰基乙酰胺.这些产物可以容易地转化为2,2-二氟乙酰胺亚磺酸盐,碘二氟乙酰胺和2-氨基吡啶衍生物.
DOI:10.1002/adsc.201500150

专利信息

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: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.

专利号:WO-2011092618-A1
优先权日:2010-01-28
标题 :Method for the preparation of fluazinam
发明人：PASTORIO ANDREA; MORA CLAUDIA
权利人:FINCHIMICA SRL; PASTORIO ANDREA; MORA CLAUDIA
摘要:A method for the synthesis of 3-chloro, N- (3-chloro-5- trifluoromethyl-2-pyridyl), α, α, α-trif luoro, 2,6-dinitro- p-toluidine (Fluazinam) comprises an amination reaction of a pyridine, to obtain 2-amino, 3-chloro, 5- trif luoromethylpyridine, the addition of a strong base to the 2-amino, 3-chloro, 5-trif luoromethylpyridine, and a formation reaction of Fluazinam by coupling of the 2- amino-3-chloro-5-trif luoromethylpyridine with the 2,4- dichloro, 3,5-dinitro, benzotrif luoride. The amination reaction is conducted with anhydrous ammonia in an organic solvent. Furthermore, the coupling reaction as above takes place directly in the solution of Pyridine 2 coming from the amination step.

专利号:US-7741487-B2
优先权日:2004-08-26
标题 :Method for producing quaterrylene-3,4:13, 14-tetracarboxy diimides by direct synthesis
发明人：KOENEMANN MARTIN; BOEHM ARNO; BIDLINGMAIER HERMANN; RIEGER REINHOLD; BLASCHKA PETER; REICHELT HELMUT; KRIEGER MATTHIAS
权利人:BASF AG
摘要:A process for preparing quaterrylene-3,4:13,14-tetracarboximides of the general formula I n nin whichn nR, R′ are each independently hydrogen or optionally substituted C 1 -C 30 -alkyl, C 5 -C 8 -cycloalkyl or aryl or hetaryl;n nwhich comprises reacting a perylene-3,4-dicarboximide of the general formula IIan n nin the presence of a base-stable, high-boiling, organic solvent and of an alkali metal base or alkaline earth metal base, with a perylene-3,4-dicarboximide of the general formula IIbn n nin which X is hydrogen, bromine or chlorine.

专利号:US-2010261909-A1
优先权日:2007-06-26
标题 :Regioselective copper catalyzed synthesis of benzimidazoles and azabenzimidazoles

专利号:WO-2009000413-A1
优先权日:2007-06-26
标题:A regioselective copper catalyzed synthesis of benzimidazoles and azabenzimidazoles