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Conditions | Yield |
---|---|
Stage #1: arecoline hydrobromide With sodium carbonate In water pH=10 - 11; Stage #2: With water Reflux; | 89% |
With barium dihydroxide at 40℃; for 0.5h; | |
Multi-step reaction with 2 steps 1: aq. Na2CO3 / pH 10 - 11 2: 8.2 g / water / 24 h / Heating View Scheme | |
With hydrogenchloride; water Heating / reflux; |
3-cyano-1-methyl-1,2,5,6-tetrahydropyridine
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride Erwaermen des Rueckstands mit Barytwasser; |
Conditions | Yield |
---|---|
With hydrogen bromide | |
With water for 24h; Hydrolysis; Heating; | 8.2 g |
arecoline
A
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
B
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxamide
Conditions | Yield |
---|---|
With ammonium hydroxide |
1-methyl-4-oxo-piperidine-3-carboxylic acid methyl ester
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With aluminum nickel; ethanol Hydrogenation.Behandeln des Reaktionsprodukts mit HCl in Essigsaeure; |
4-hydroxy-1-methyl-piperidine-3-carboxylic acid ethyl ester
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride |
3-Carboxy-1-methylpyridiniumiodid
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With potassium borohydride; alkaline aqueous solution |
Conditions | Yield |
---|---|
With sulfuric acid Electrolysis; |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride; potassium iodide | |
With hydrogen bromide |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With formic acid at 155 - 160℃; im Rohr; |
Conditions | Yield |
---|---|
With sodium methylate at 140 - 150℃; |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride; tin |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride; tin |
Trigonelline
A
1,5-dimethyl-1,2,3,6-tetrahydro-pyridine
B
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
C
1,3-dimethylpiperidine
Conditions | Yield |
---|---|
Electrolysis; |
ethyl 1-methyl-4-oxo-piperidin-3-carboxylate
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: lead-cathode; aqueous H2SO4 / elektrochemischen Reduktion 2: aqueous HCl View Scheme |
3,3'-methylimino-di-propionic acid diethyl ester
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: NaNH2; xylene 2: lead-cathode; aqueous H2SO4 / elektrochemischen Reduktion 3: aqueous HCl View Scheme |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
With C63H78IrNOP(2+)*C32H12BF24(1-); hydrogen In methanol at 60℃; under 4560.31 Torr; for 12h; Autoclave; enantioselective reaction; | 98% |
Conditions | Yield |
---|---|
With dmap; 1,1-Diphenylmethanol In dichloromethane; N,N-dimethyl-formamide at 0 - 70℃; for 1.5h; | 69% |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide for 0.5h; Stage #2: sodium (4-bromophenyl)(4-fluorophenyl)methanolate In N,N-dimethyl-formamide at 20℃; for 336h; | 25% |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide for 0.5h; Stage #2: 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid In N,N-dimethyl-formamide at 20℃; for 18h; | 24% |
Conditions | Yield |
---|---|
Stage #1: 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide for 0.25h; Stage #2: benzhydrol sodium salt In N,N-dimethyl-formamide at 20℃; for 18h; | 19% |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
triethylene glucol monomethyl ether
Conditions | Yield |
---|---|
Stage #1: 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide Stage #2: triethylene glucol monomethyl ether In N,N-dimethyl-formamide at 20℃; for 60h; | 18% |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide for 0.333333h; Stage #2: sodium furan-2-yl(phenyl)methanolate In N,N-dimethyl-formamide at 20℃; for 60h; | 15% |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
11-(chloroacetyl)-5,11-dihydro-6H-pyrido[2,3-b][1,4]benzodiazepin-6-one
Conditions | Yield |
---|---|
Stage #1: 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid With sodium hydride In N,N-dimethyl-formamide for 0.0166667h; Stage #2: 11-(chloroacetyl)-5,11-dihydro-6H-pyrido[2,3-b][1,4]benzodiazepin-6-one With sodium iodide In N,N-dimethyl-formamide at 70℃; for 1h; | 13% |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
(R,R)-hydroxybenzoin
Conditions | Yield |
---|---|
Stage #1: 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide for 1h; Stage #2: (R,R)-hydroxybenzoin In N,N-dimethyl-formamide at 20℃; for 168h; stereoselective reaction; | 13% |
Conditions | Yield |
---|---|
Stage #1: 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide for 1h; Stage #2: Benzhydrylamine In N,N-dimethyl-formamide at 20℃; for 18h; | 12% |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide for 1h; Stage #2: sodium 4,4'-difluordiphenylmethanolate In N,N-dimethyl-formamide at 20℃; for 60h; | 9% |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide for 1h; Stage #2: sodium 4,4'-dimethoxydiphenylmethanolate In N,N-dimethyl-formamide at 20℃; for 24h; | 4% |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide for 1h; Stage #2: sodium bis(6-fluoropyridin-3-yl)methanolate In N,N-dimethyl-formamide at 20℃; for 24h; | 3% |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
2-hydroxy-2-phenylacetophenone
Conditions | Yield |
---|---|
Stage #1: 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide for 1h; Stage #2: 2-hydroxy-2-phenylacetophenone In N,N-dimethyl-formamide at 20℃; for 120h; | 3% |
propan-1-ol
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
1-methyl-1,2,5,6-tetrahydro-pyridine-3-carboxylic acid propyl ester
Conditions | Yield |
---|---|
With hydrogenchloride |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
isopropyl alcohol
1-methyl-1,2,5,6-tetrahydro-pyridine-3-carboxylic acid isopropyl ester
Conditions | Yield |
---|---|
With hydrogenchloride |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
butan-1-ol
1-methyl-1,2,5,6-tetrahydro-pyridine-3-carboxylic acid butyl ester
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With hydrogenchloride |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
Homoarecoline
Conditions | Yield |
---|---|
With hydrogenchloride |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
N-methyl-1,2,5,6-tetrahydronicotinoyl chloride hydrochloride
Conditions | Yield |
---|---|
With thionyl chloride |
Conditions | Yield |
---|---|
(i) SOCl2, benzene, (ii) /BRN= 102549/; Multistep reaction; |
1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid
propargyl alcohol
Arecaidine propargyl ester hydrobromide
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene for 12h; Heating; Yield given; |
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