Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
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inquiryAppearance:Light yellow powder Storage:Store below +30°C. Package:25kg/drum Application:4-(4-Nitrobenzyl)pyridine is used in tests for alkylating agents1 and in a spectroscopic method for phosgene determination.2 Transportation:Express/Sea/Air Por
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inquiryProduct Name: 4-(4-Nitrobenzyl)pyridine CAS: 1083-48-3 MF: C12H10N2O2 MW: 214.22 EINECS: 214-108-2 Mol File: 1083-48-3.mol 4-(4-Nitrobenzyl)pyridine Structure 4-(4-Nitrobenzyl)pyridine Chemical Properties Melting point 69-71 &
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Product Name3-Amino-4-(trifluoromethyl)pyridine CAS 175204-80-5 MF C6H5F3N2 MW 162.11 Product Name3-Amino-4-(trifluoromethyl)py…
Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
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inquiry"HANGZHOU TIANYE CHEMICALS Co.LTD , Located in Eastern Science and Innovation Park Hangzhou .We are a high-tech enterprise specialized in technical research and development, production, development and trade of chemical products. We supply Multiple s
Conditions | Yield |
---|---|
With potassium tert-butylate In dimethyl sulfoxide at 20℃; for 1h; | 41% |
4-(Chloromethyl)pyridine
nitrobenzene
A
4-Nitrobenzylpyridin
B
4-(2-nitrobenzyl)pyridine
Conditions | Yield |
---|---|
With potassium tert-butylate In dimethyl sulfoxide at 20℃; for 1h; | A 37% B 28% |
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at 10 - 50℃; | 27% |
4-benzyl pyridine
sulfuric acid
A
4-Nitrobenzylpyridin
B
4-(3-nitro-benzyl)-pyridine
C
4-(2',4'-Dinitrobenzyl)-pyridin
Conditions | Yield |
---|---|
at 20℃; |
Conditions | Yield |
---|---|
at 50℃; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 - 50 °C / Inert atmosphere 1.2: 2 h / -50 °C / Inert atmosphere 2.1: palladium(II) trifluoroacetate; tricyclohexylphosphine; caesium carbonate / o-xylene / 6 h / Inert atmosphere; Reflux View Scheme |
Conditions | Yield |
---|---|
With palladium(II) trifluoroacetate; caesium carbonate; tricyclohexylphosphine In o-xylene for 6h; Inert atmosphere; Reflux; |
para-dinitrobenzene
4-picolylchloride hydrochloride
4-Nitrobenzylpyridin
Conditions | Yield |
---|---|
With potassium tert-butylate In dimethyl sulfoxide at 20℃; for 1h; Inert atmosphere; | 300 mg |
4-Nitrobenzylpyridin
4-(4-aminobenzyl)pyridine
Conditions | Yield |
---|---|
With hydrogen; palladium 10% on activated carbon In methanol at 20℃; for 12h; | 100% |
With polymer-CH2NMe3Cl; triethylammonium formate; palladium In ethanol at 100℃; for 48h; | 99% |
With potassium fluoride; polymethylhydrosiloxane; palladium diacetate In tetrahydrofuran at 20℃; for 0.5h; | 99% |
4-Nitrobenzylpyridin
(4-nitrophenyl)(pyridin-4-yl)methanone
Conditions | Yield |
---|---|
With potassium permanganate for 1.33333h; | 100% |
With Phenylselenyl bromide; oxygen; acetic acid In water; dimethyl sulfoxide at 100℃; for 22h; Schlenk technique; | 97% |
With tert.-butylhydroperoxide; 1-n-butyl-3-methylimidazolim bromide In water at 60℃; for 12h; | 83% |
4-Nitrobenzylpyridin
4-(4-nitrobenzyl)pyridine 1-oxide
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In Isopropyl acetate at 10 - 35℃; for 5.83333h; Green chemistry; | 98.5% |
With polymer-supported 2-benzenesulfonyl-3-(4-nitrophenyl)oxaziridine In dichloromethane at 100℃; for 0.0333333h; Microwave irradiation; | 92% |
With 3-chloro-benzenecarboperoxoic acid In dichloromethane for 2h; | 83% |
With 3-chloro-benzenecarboperoxoic acid In dichloromethane; water |
4-Nitrobenzylpyridin
benzyl bromide
1-benzyl-4-(4-nitrobenzyl)pyridine-1-ium bromide
Conditions | Yield |
---|---|
With silica gel In neat (no solvent) Solvent; Reagent/catalyst; Microwave irradiation; | 98% |
In acetone | 90% |
In acetone at 37℃; Product distribution; in phosphate buffer; study of half-live; molar fraction (percentage) of the alkylated NBP product at the end of the alkylation reaction, selectivity constant; | |
In acetone for 24h; Heating; |
4-Nitrobenzylpyridin
1-bromomethyl-4-nitro-benzene
1,4-bis(4-nitrobenzyl)pyridine-1-ium bromide
Conditions | Yield |
---|---|
With silica gel In neat (no solvent) Solvent; Reagent/catalyst; Microwave irradiation; | 98% |
In acetone at 37℃; Product distribution; in phophate buffer; study of half-live; molar fraction (percentage) of the alkylated NBP product at the end of the alkylation reaction, selectivity constant; | |
In acetone for 24h; Heating; |
4-Nitrobenzylpyridin
1,3,5-tris(bromomethyl)-2,4,6-trimethylbenzene
Conditions | Yield |
---|---|
With silica gel In neat (no solvent) Solvent; Reagent/catalyst; Microwave irradiation; | 98% |
2-Bromoacetylthiophene
4-Nitrobenzylpyridin
Conditions | Yield |
---|---|
In chloroform for 16h; Heating; | 91.5% |
4-Nitrobenzylpyridin
4-(piperidin-4-ylmethyl)-phenylamine
Conditions | Yield |
---|---|
With hydrogenchloride; platinum (IV) oxide In ethanol; water | 86% |
4-Nitrobenzylpyridin
Conditions | Yield |
---|---|
In water addn. of water to Pt-complex and pyridine derivative, mixt. heated (water bath, 10 min), addn. of EtOH, heated (15 min), dark-green soln.; filtration, addn. of ether to the filtrate with stirring, upper layer poured off, residue treated repeatedly and ground with acetone/ether (1:2), filtration, dried in air; elem. anal.; | 86% |
4-Nitrobenzylpyridin
(3-Chloro-quinoxalin-2-yl)-(toluene-4-sulfonyl)-acetonitrile
Conditions | Yield |
---|---|
at 130 - 150℃; | 85% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 70℃; | 81% |
4-Nitrobenzylpyridin
trans-Na[RuCl4(dimethylsulfoxide)(4-(4-nitrobenzyl)pyridine)]
Conditions | Yield |
---|---|
In acetone dissolving of Na(Ru(DMSO)2Cl4) in acetone at room temp., addn. dropwise of soln. of 4-(4-nitrobenzyl)pyridine in acetone, stirring at room temp.for 30 min; removal of solvent under decreased pressure, addn. of CH2Cl2 and Et2O, pptn. for 10 min, filtration, washing with Et2O; elem. anal.; | 81% |
4-Nitrobenzylpyridin
p-toluenesulfonyl chloride
4-<(4-Methylphenylsulfonyl)(4-nitrophenyl)methyl>pyridin
Conditions | Yield |
---|---|
With triethylamine In dichloromethane for 60h; | 79% |
Conditions | Yield |
---|---|
Stage #1: hydrogenchloride; ruthenium(III) trichloride hydrate In ethanol; water for 3h; Reflux; Stage #2: 4-Nitrobenzylpyridin With hydrogenchloride In ethanol; water for 3h; Reflux; | 76% |
formic acid
4-Nitrobenzylpyridin
B
p-<(4-pyridyl)methyl>-N,N-dimethylaniline
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine)platinum; phenylsilane; C30H51Cl3Mo3N6PPtS4(1+)*BF4(1-) In tetrahydrofuran at 70℃; under 760.051 Torr; Inert atmosphere; Schlenk technique; chemoselective reaction; | A 21% B 72% |
4-Nitrobenzylpyridin
trans-[4-(4-nitrobenzyl)pyridinium][RuCl4(dimethylsulfoxide)(4-(4-nitrobenzyl)pyridine)]
Conditions | Yield |
---|---|
In methanol dissolving of ((DMSO)2H)(Ru(DMSO)2Cl4) in MeOH at room temp., addn. dropwise of soln. of 4-(4-nitrobenzyl)pyridine in MeOH, stirring at room temp. for 3 h; pptn., filtration, washing with MeOH; elem. anal.; | 55% |
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran at 20℃; Michael Addition; Inert atmosphere; | 50% |
3-(4-nitrophenyl)-propenal
4-Nitrobenzylpyridin
A
(3R,4S)-3,4-bis(4-nitrophenyl)-4-(pyridin-4-yl)butan-1-ol
B
(3R,4R)-3,4-bis(4-nitrophenyl)-4-(pyridin-4-yl)butan-1-ol
Conditions | Yield |
---|---|
Stage #1: 3-(4-nitrophenyl)-propenal; 4-Nitrobenzylpyridin With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; 1,4-diaza-bicyclo[2.2.2]octane In tetrahydrofuran at 23℃; for 24h; Michael addition; Stage #2: With sodium tetrahydroborate In tetrahydrofuran; methanol at 0℃; for 0.5h; optical yield given as %ee; | A 39% B 46% |
(E)-3-(furan-3-yl)propenal
4-Nitrobenzylpyridin
Conditions | Yield |
---|---|
Stage #1: (E)-3-(furan-3-yl)propenal; 4-Nitrobenzylpyridin With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; 1,4-diaza-bicyclo[2.2.2]octane In tetrahydrofuran at 23℃; for 24h; Michael addition; Stage #2: With sodium tetrahydroborate In tetrahydrofuran; methanol at 0℃; for 0.5h; optical yield given as %ee; | A n/a B 39% C n/a D 43% |
4-Nitrobenzylpyridin
(E)-4-chlorocinnamic aldehyde
A
(3R,4S)-3-(4-chlorophenyl)-4-(4-nitrophenyl)-4-(pyridin-4-yl)butan-1-ol
B
(3R,4R)-3-(4-chlorophenyl)-4-(4-nitrophenyl)-4-(pyridin-4-yl)butan-1-ol
Conditions | Yield |
---|---|
Stage #1: 4-Nitrobenzylpyridin; (E)-4-chlorocinnamic aldehyde With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; 1,4-diaza-bicyclo[2.2.2]octane In tetrahydrofuran at 40℃; for 24h; Michael addition; Stage #2: With sodium tetrahydroborate In tetrahydrofuran; methanol at 0℃; for 0.5h; optical yield given as %ee; | A 34% B 41% |
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 170℃; | 41% |
Conditions | Yield |
---|---|
With DBU In dichloromethane N2-atmosphere; addn. of 1 equiv. DBU to mixt. of Os-cluster and 10 equiv. ligand, stirring (room temp., 30 min); concn. (reduced pressure), thin layer chromy. (SiO2, hexane/CH2Cl2=3:2 v/v); recrystn.; | 38% |
4-Nitrobenzylpyridin
4-methoxy-trans-cinnamaldehyde
B
(3R,4S)-3-(4-methoxyphenyl)-4-(4-nitrophenyl)-4-(pyridin-4-yl)butan-1-ol
D
(3R,4R)-3-(4-methoxyphenyl)-4-(4-nitrophenyl)-4-(pyridin-4-yl)butan-1-ol
Conditions | Yield |
---|---|
Stage #1: 4-Nitrobenzylpyridin; 4-methoxy-trans-cinnamaldehyde With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; 1,4-diaza-bicyclo[2.2.2]octane In tetrahydrofuran at 23℃; for 48h; Michael addition; Stage #2: With sodium tetrahydroborate In tetrahydrofuran; methanol at 0℃; for 0.5h; optical yield given as %ee; | A n/a B 24% C n/a D 34% |
4-Nitrobenzylpyridin
4-methyl-cinnamaldehyde
B
(3R,4S)-4-(4-nitrophenyl)-4-(pyridin-4-yl)-3-(p-tolyl)butan-1-ol
D
(3R,4R)-4-(4-nitrophenyl)-4-(pyridin-4-yl)-3-(p-tolyl)butan-1-ol
Conditions | Yield |
---|---|
Stage #1: 4-Nitrobenzylpyridin; 4-methyl-cinnamaldehyde With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; 1,4-diaza-bicyclo[2.2.2]octane In tetrahydrofuran at 23℃; for 24h; Michael addition; Stage #2: With sodium tetrahydroborate In tetrahydrofuran; methanol at 0℃; for 0.5h; optical yield given as %ee; | A n/a B 33% C n/a D 33% |
4-Nitrobenzylpyridin
(2E)-3-(4-trifluoromethylphenyl)prop-2-enal
A
(3R,4S)-4-(4-nitrophenyl)-4-(pyridin-4-yl)-3-(4-(trifluoromethyl)phenyl)butan-1-ol
B
(3R,4R)-4-(4-nitrophenyl)-4-(pyridin-4-yl)-3-(4-(trifluoromethyl)phenyl)butan-1-ol
Conditions | Yield |
---|---|
Stage #1: 4-Nitrobenzylpyridin; (2E)-3-(4-trifluoromethylphenyl)prop-2-enal With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; 1,4-diaza-bicyclo[2.2.2]octane In tetrahydrofuran at 23℃; for 24h; Michael addition; Stage #2: With sodium tetrahydroborate In tetrahydrofuran; methanol at 0℃; for 0.5h; optical yield given as %ee; | A 32% B 33% |
4-Nitrobenzylpyridin
N,N-dimethyl-formamide
4-(1-(4-nitrophenyl)vinyl)pyridine
Conditions | Yield |
---|---|
With dipotassium peroxodisulfate; copper (II) trifluoroacetate hydrate at 100℃; for 24h; Schlenk technique; Inert atmosphere; | 32% |
4-Nitrobenzylpyridin
1-ethylcyclohexyl acetate
1,3-di-O-acetyl-5-O-benzoyl-2-deoxy-2-fluoro-D-arabinofuranosyl bromide
2,6-dibromo-9-(3-O-acetyl-5-O-benzoyl-2-deoxy-2-fluoro-β-D-arabinofuranosyl)-9H-purine
Conditions | Yield |
---|---|
silica gel In 1,1-dichloroethane | 31.6% |
4-Nitrobenzylpyridin
1-ethylcyclohexyl acetate
1,3-di-O-acetyl-5-O-benzoyl-2-deoxy-2-fluoro-D-arabinofuranosyl bromide
2,6-dibromopurine
Conditions | Yield |
---|---|
molecular sieve In 1,1-dichloroethane | 31.6% |
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