oximesN-Bromobis(p-toluenesulfonyl)amine (NBBTA) is a novel and efficient reagent for the conversion of oximes to their corresponding carbonyl compounds in good yields under mild conditions.doi:10.1080/10426500490459786Ramin Ghorbani-VagheiArdeshir Khazaei...
基溴转变成a,一脱氢氨的可能机理,很好地解释了该反的域专一眭.所有的产物纬构均过了HNMR,”CNMR及高分辨质谱的确汪.关键词烯胺;硫脲;催化;6c,一邻何氨基溴;R'∥一脱氢氨SynthesisofFunctionalizedEnamines(I):the,一VicinalBromoamineCompoundsConvertedintoaI8一DehydroaminoDerivativesCatalyzedbyThioureainMixture...
5-bromo-2-chloro-N-methyl-pyrimidin-4-amine Conditions ConditionsYield In methanol at 0 - 20℃; for 3.66667h;100% In methanol; water Cooling with ice;88% In methanol; ethanol at 0 - 20℃; for 3h;88% 36082-50-5 2,4-dichloro-5-bromopyrimidine ...
It used mainly as an antecedent to the resin benzoguanamine. They have a chemical formula of C7H5N and molar mass of 103.12 g/mol. 5-bromovanillin is a carbolic aldehyde organic compound with the chemical formula of C8H8O3 and molar mass of 152.15 g/mol. It is one of the...
di(pyridin-2-yl)amine 106-93-4 ethylene dibromide 1-(pyridin-2-yl)-2,3-dihydro-1H-imidazo[1,2-a]pyridinium bromide Conditions ConditionsYield With N-ethyl-N,N-diisopropylamine for 18h; Heating; 100% 106-93-4 ethylene dibromide tert-butyl 4-hydroxy-5-methoxy-11-azatricyclo[6.2...
addition,thestirringiscontinuedforaperiodof15minutes.ThestirredsolutionofthediazoniumsaltismadeneutraltoCongoredbytheadditionofasolutionofhydratedsodiumacetate(22g.)inwater(35ml.)(Note1).C.2-Bromo-4-methylbenzaldehyde.A3-l.three-neckedflaskisequippedwithanefficientstirrer,adroppingfunnel(Note2),anda...
Then we explored the reaction of urea 2c, which has a disubstituted amine. In this case, the use of dppf gave a very low yield (entry 7), although it was improved by using Cs2CO3 as base (entry 8). However, the monophosphine o-biphenylP(t-Bu)3 provided excellent yields of the ben...
6. The process according to claim 5, wherein: said reacting 3-(4-bromo-2-methyl-2H-pyrazol-3-yl)-4-methoxy-phenylamine with 2,4-difluorophenyl-isocyanate in the presence of acetonitrile is conducted by adding said 2,4-difluorophenyl-isocyanate to said 3-(4-bromo-2-methyl-2H-pyrazol-3-...
Treatment of 2a with 2,2-dimethylaminoethylamine leads to 2-[2-(... A.,Paul,Krapcho,... - 《Journal of Heterocyclic Chemistry》 被引量: 8发表: 1989年 PROCESS FOR PREPARING (ALPHA S, BETA R)-6-BROMO-ALPHA-[2-(DIMETHYLAMINO)ETHYL]-2-METHOXY-ALPHA-1-NAPHTHALENYL-BETA-PHENYL-3-...
a C1-C12 alkylamine, a di(C1-C12 alkyl)amine, a C3-C8 cycloalkylamine, a N-(C3-C8 cycloalkyl)-N-(C1-C12 alkyl)amine, a di(C3-C8 cycloalkyl)amine, a (C3-C8 cycloalkyl)C1-C6 alkylamine, a N-(C3-C8-cycloalkyl)C1-C6-alkyl-N-(C1-C12 alkyl)amine, a N-(C3-C8 cycloalkyl...