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inquiryAs a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis according to the contract research and development services for the fine c
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inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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inquiryShanghai Finebiotech Co.,Ltd.was established in 2020, which providing professional chemical services. As a customer-oriented company, we have distinguished ourself from others in providing worldwide customers with cost-effective and efficient service
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inquiryLower 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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inquiry1-Methyl-6-oxo-1,6-dihydropyridine-3-carboxylic acid cas 3719-45-7Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquirymethyl 1-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With water; sodium hydroxide In tetrahydrofuran at 35℃; for 3h; | 99% |
With water; sodium hydroxide In tetrahydrofuran at 20℃; for 3h; | 80% |
With water; sodium hydroxide In tetrahydrofuran at 20℃; | 80% |
1,6-dihydro-6-imino-1-methyl-3-pyridinecarboxamide
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With potassium hydroxide for 4h; Heating; | 90% |
6-hydroxy-3-pyridinecarboxylic acid
methyl iodide
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 6-hydroxy-3-pyridinecarboxylic acid With sodium hydride In methanol at 20 - 60℃; for 0.583333h; Inert atmosphere; Stage #2: methyl iodide In methanol at 60℃; Stage #3: With hydrogenchloride; sodium hydroxide In methanol; water at 60℃; | 69% |
With potassium hydroxide In methanol; water for 12h; Reflux; Inert atmosphere; | 63% |
With alkali | |
With sodium methylate for 3h; Heating; |
1-methylpyridinium-3-carb(ox)aldehyde
A
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
B
1-methyl-6-oxo-1,6-dihydropyridine-3-carbaldehyde
Conditions | Yield |
---|---|
With sodium hydroxide; potassium hexacyanoferrate(III) | A n/a B 30% |
A
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
B
1-methyl-6-oxo-1,6-dihydropyridine-3-carbaldehyde
Conditions | Yield |
---|---|
With sodium hydroxide; potassium hexacyanoferrate(III) for 2h; | A 3% B 1.3% C 3.9% D 22% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide; potassium hexacyanoferrate(III) | 10% |
nicotinic acid
methanol
dimethyl sulfate
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Behandeln des Reaktionsprodukts mit K3 und wss. NaOH; |
6-hydroxy-3-pyridinecarboxylic acid
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With potassium hydroxide durch Eindampfen und Erhitzen des Produkts mit Methyljodid und Methanol auf 100grad bis 110grad; | |
Multi-step reaction with 3 steps 1: sulfuric acid / 3 h / 65 - 70 °C 2: potassium carbonate / N,N-dimethyl-formamide / 72 h / 95 °C 3: sodium hydroxide; water / tetrahydrofuran / 3 h / 35 °C View Scheme |
6-Chloro-3-pyridinecarboxylic acid
dimethyl sulfate
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Erhitzen des Reaktionsgemisches mit wss. NaOH; |
5-acetyl-1,2-dihydro-1-methyl-2(1H)-pyridone
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With sodium hypobromide |
methyl coumalate
methylamine
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide |
methyl 1-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate
A
methanol
B
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With potassium chloride In water at 25℃; Rate constant; |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide; potassium hexacyanoferrate(III) |
methyl iodide
A
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
B
methyl 1-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate
Conditions | Yield |
---|---|
Stage #1: 6-hydroxy-3-pyridinecarboxylic acid With sodium hydride In methanol at 62℃; Stage #2: methyl iodide In methanol |
N-methylnicotineamide iodide
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 75 percent / potassium permanganate, NH3(l) / 4 h / -33 °C 2: 90 percent / aq. KOH / 4 h / Heating View Scheme |
3-(2-methyl-[1,3]dioxolan-2-yl)-pyridine
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: anschliessendes Behandeln mit K3 2: water; hydrochloric acid 3: aqueous NaOBr View Scheme |
1,2-dihydro-5-<(ethylenedioxy)-ethyl>-1-methyl-2(1H)-pyridone
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: water; hydrochloric acid 2: aqueous NaOBr View Scheme |
methyl 6-hydroxynicotinate
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium carbonate / N,N-dimethyl-formamide / 72 h / 95 °C 2: sodium hydroxide; water / tetrahydrofuran / 3 h / 35 °C View Scheme |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; HATU In dichloromethane at 20℃; for 1h; | 75% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
5-bromo-4-fluoro-1H-pyrrolo[2,3-b]pyridin-3-ylamine
N-(5-bromo-4-fluoro-1H-pyrrolo[2,3-b]pyridin-3-yl)-1-methyl-6-oxo-1,6-dihydropyridine-3-carboxamide
Conditions | Yield |
---|---|
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid; 5-bromo-4-fluoro-1H-pyrrolo[2,3-b]pyridin-3-ylamine With bis-(2-oxo-3-oxazolidinyl)phosphoryl chloride; triethylamine In dichloromethane at 20℃; for 1h; Stage #2: With lithium hydroxide In dichloromethane for 0.5h; | 69% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In 1,4-dioxane at 90℃; for 5h; Inert atmosphere; | 67% |
Conditions | Yield |
---|---|
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In tetrahydrofuran at 0℃; for 0.5h; Stage #2: 2-fluorophenylhydrazine With dmap In tetrahydrofuran at 20℃; for 2h; | 65% |
Conditions | Yield |
---|---|
With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine In ethyl acetate; N,N-dimethyl-formamide at 0 - 20℃; | 65% |
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid; 4-methylthiosemicarbazide With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine In ethyl acetate; N,N-dimethyl-formamide at 0 - 20℃; Stage #2: With sodium hydroxide In ethyl acetate; N,N-dimethyl-formamide at 70℃; | |
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid; 4-methylthiosemicarbazide With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine In ethyl acetate; N,N-dimethyl-formamide at 20℃; Inert atmosphere; Cooling with ice; Stage #2: With sodium hydroxide In ethyl acetate; N,N-dimethyl-formamide at 70℃; for 0.666667h; pH=8 - 11; Inert atmosphere; Stage #3: With hydrogenchloride In water; ethyl acetate; N,N-dimethyl-formamide pH=5; Inert atmosphere; |
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate; dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; copper diacetate In toluene at 160℃; for 24h; Molecular sieve; Inert atmosphere; | 60% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With thionyl chloride at 80℃; for 0.5h; Inert atmosphere; Stage #2: 5-((1,3-dihydroisobenzofuran-5-yl)methyl)pyridin-2-amine With pyridine In dichloromethane at 0 - 0.2℃; for 2h; | 55.3% |
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With thionyl chloride at 80℃; for 0.5h; Inert atmosphere; Stage #2: 5-((1,3-dihydroisobenzofuran-5-yl)methyl)pyridin-2-amine With pyridine In dichloromethane at 0 - 20℃; for 2h; | 55.3% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
5-(3-fluorobenzyl)-2-thiazolamine
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 16h; | 54.6% |
With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 20℃; for 16h; | 54.6% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With thionyl chloride at 80℃; for 0.5h; Inert atmosphere; Stage #2: 5-(4-(trifluoromethyl)benzyl)pyridin-2-amine With pyridine In dichloromethane at 0 - 20℃; for 2h; | 50.5% |
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With thionyl chloride at 80℃; for 0.5h; Inert atmosphere; Stage #2: 5-(4-(trifluoromethyl)benzyl)pyridin-2-amine With pyridine In dichloromethane at 0 - 20℃; for 2h; | 50.5% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With thionyl chloride at 85℃; for 1h; Stage #2: 3-((6-aminopyridin-3-yl)methyl)benzonitrile With pyridine In dichloromethane at 0 - 0.2℃; for 2h; | 46% |
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With thionyl chloride at 85℃; for 1h; Stage #2: 3-((6-aminopyridin-3-yl)methyl)benzonitrile With pyridine In dichloromethane at 0 - 20℃; for 2h; | 46% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
1H-indazol-5-ylamine
Conditions | Yield |
---|---|
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; | 45% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
tert-butyl [2-(3-chloro-5-fluorobenzyl)-4-methyl-1,3-thiazol-5-yl]carbamate
N-[2-(3-chloro-5-fluorobenzyl)-4-methyl-1,3-thiazol-5-yl]-1-methyl-6-oxo-1,6-dihydropyridine-3-carboxamide
Conditions | Yield |
---|---|
Stage #1: tert-butyl [2-(3-chloro-5-fluorobenzyl)-4-methyl-1,3-thiazol-5-yl]carbamate With hydrogenchloride In ethanol; water at 50℃; for 3h; Stage #2: With sodium hydrogencarbonate In ethanol; water Stage #3: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl acetamide at 0 - 60℃; for 6h; | 44% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
4-phenyl-4,5,6,7-tetrahydrothieno[3,2-c]-pyridine
Conditions | Yield |
---|---|
Stage #1: 4-phenyl-4,5,6,7-tetrahydrothieno[3,2-c]-pyridine With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 0℃; for 0.5h; Stage #2: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid In N,N-dimethyl-formamide at 0 - 20℃; for 2h; | 43% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In tetrahydrofuran at 20℃; for 0.333333h; Stage #2: 5-[(3-fluorophenyl)methyl]pyridin-2-amine In tetrahydrofuran at 20℃; for 4h; | 41% |
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate; dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; copper diacetate In toluene at 160℃; for 24h; Molecular sieve; Inert atmosphere; | A 10% B 5% C 40% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With thionyl chloride at 80℃; for 1h; Stage #2: 5-(3-chloro-5-methoxybenzyl)pyridin-2-amine With pyridine In dichloromethane at 0 - 20℃; for 2h; | 38.6% |
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With thionyl chloride at 80℃; Stage #2: 5-(3-chloro-5-methoxybenzyl)pyridin-2-amine In dichloromethane at 0 - 20℃; for 2h; | 38.6% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With pyridine; trichlorophosphate at 0 - 20℃; | 38.4% |
With pyridine; trichlorophosphate at 20℃; | 38.4% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Stage #2: N2-benzyl-6-(4-methyl-piperazin-1-yl)-pyridine-2,3-diamine In N,N-dimethyl-formamide at 20℃; for 1h; Stage #3: With acetic acid at 120℃; for 48h; | 30% |
Multi-step reaction with 2 steps 1.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 0.08 h / 20 °C 1.2: 1 h / 20 °C 2.1: acetic acid / 48 h / 120 °C View Scheme |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With thionyl chloride In dichloromethane at 90℃; for 0.5h; Reflux; Stage #2: 5-(cyclohexylmethyl)pyridin-2-amine With pyridine In dichloromethane at 20℃; for 2h; | 30% |
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With thionyl chloride In dichloromethane at 20 - 90℃; for 0.5h; Stage #2: 5-(cyclohexylmethyl)pyridin-2-amine With pyridine In dichloromethane | 30% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
4-fluorophenyhydrazine hydrochloride
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 0 - 20℃; for 2h; Inert atmosphere; | 29% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With pyridine; trichlorophosphate at 20℃; for 1h; | 27% |
With pyridine; trichlorophosphate at 20℃; for 1h; | 27% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In 1,4-dioxane at 90℃; for 3h; Inert atmosphere; | 26.9% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
(S)-1-(2-aminoacetyl)-4,4-difluoropyrrolidine-2-carbonitrile hydrochloride
Conditions | Yield |
---|---|
With dmap; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide at 20℃; | 21% |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; HATU at 25℃; for 16h; | 21% |
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate at 25℃; for 16h; | 27.7 mg |
1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid
trifluoroacetic acid
4-(1-(3-ethoxy-4-isopropoxyphenyl)-2-(N'-(1-methyl-6-oxo-1,6-dihydropyridine-3-carbonyl)hydrazino)-2-oxoethylamino)benzamidine trifluoroacetate
Conditions | Yield |
---|---|
Stage #1: 1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In water; N,N-dimethyl-formamide at 0℃; Stage #2: 4-(((3-ethoxy-4-isopropoxyphenyl)hydrazinocarbonylmethyl)amino)benzamidine dihydrochloride With triethylamine In water; N,N-dimethyl-formamide at 20℃; for 72h; Stage #3: trifluoroacetic acid In water; acetonitrile | 20% |
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