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CAS No.: | 103946-54-9 |
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Name: | 4'-METHYL-2,2'-BIPYRIDINE-4-CARBOXYLIC ACID |
Article Data: | 34 |
Molecular Structure: | |
Formula: | C12H10N2O2 |
Molecular Weight: | 214.224 |
Synonyms: | 4-Carboxy-4'-methyl-2,2'-bipyridine;4-Methyl-2,2'-bipyridine-4'-carboxylic acid; |
EINECS: | 145-896-5 |
Density: | 1.26 g/cm3 |
Melting Point: | 280 °C |
Boiling Point: | 497.4 °C at 760 mmHg |
Flash Point: | 254.6 °C |
PSA: | 63.08000 |
LogP: | 2.15020 |
4,4'-dimethyl-2,2'-bipyridines
4'-methyl-2,2'-bipyridine-4-carboxylic acid
Conditions | Yield |
---|---|
With selenium(IV) oxide; sulfuric acid | 98% |
Stage #1: 4,4'-dimethyl-2,2'-bipyridines With selenium(IV) oxide In 1,4-dioxane for 30h; Reflux; Stage #2: With silver nitrate; sodium hydroxide In ethanol; water for 24h; | 77% |
Stage #1: 4,4'-dimethyl-2,2'-bipyridines With selenium(IV) oxide In 1,4-dioxane for 16h; Oxidation; Heating; Stage #2: With silver(l) oxide Oxidation; | 72% |
4'-methyl-2,2'-bipyridine-4-carboxylaldehyde
4'-methyl-2,2'-bipyridine-4-carboxylic acid
Conditions | Yield |
---|---|
With silver nitrate; sodium hydroxide In ethanol for 24h; Darkness; | 82% |
With silver nitrate; sodium hydroxide In ethanol; water at 20℃; | 80% |
Stage #1: 4'-methyl-2,2'-bipyridine-4-carboxylaldehyde With silver nitrate In ethanol for 0.333333h; Stage #2: With sodium hydroxide In ethanol at 25℃; for 15h; Darkness; | 80% |
4,4'-dimethyl-2,2'-bipyridines
A
2,2'-Bipyridine-4,4'-dicarboxylic acid
B
4'-methyl-2,2'-bipyridine-4-carboxylic acid
Conditions | Yield |
---|---|
With potassium permanganate; sulfuric acid for 12h; Heating; | A 45% B 4% |
With manganese(II) sulfate; potassium permanganate In pyridine; water for 120h; Ambient temperature; | A n/a B 7% |
With sodium hydroxide; selenium(IV) oxide; silver nitrate 1.) 1,4-dioxane, reflux, 24 h, 2.) EtOH, water, 15 h; Yield given. Multistep reaction. Yields of byproduct given; | |
With chromium(VI) oxide; periodic acid In dichloromethane; acetonitrile at 20℃; for 16h; Overall yield = 0.099 g; | A 35 %Spectr. B 6 %Spectr. |
4,4'-dimethyl-2,2'-bipyridines
A
4'-methyl-2,2'-bipyridine-4-carboxylaldehyde
B
4'-methyl-2,2'-bipyridine-4-carboxylic acid
Conditions | Yield |
---|---|
With selenium(IV) oxide In 1,4-dioxane for 72h; | A 29% B n/a |
picoline
4'-methyl-2,2'-bipyridine-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: manganese(IV) oxide; palladium on activated charcoal / neat (no solvent) / 168 h / 140 °C 2.1: selenium(IV) oxide / 1,4-dioxane / 24 h / Reflux 2.2: 20 °C View Scheme |
4,4'-dimethyl-2,2'-bipyridines
4'-methyl-2,2'-bipyridine-4-carboxylic acid
Conditions | Yield |
---|---|
With selenium(IV) oxide; sulfuric acid | 98% |
Stage #1: 4,4'-dimethyl-2,2'-bipyridines With selenium(IV) oxide In 1,4-dioxane for 30h; Reflux; Stage #2: With silver nitrate; sodium hydroxide In ethanol; water for 24h; | 77% |
Stage #1: 4,4'-dimethyl-2,2'-bipyridines With selenium(IV) oxide In 1,4-dioxane for 16h; Oxidation; Heating; Stage #2: With silver(l) oxide Oxidation; | 72% |
4'-methyl-2,2'-bipyridine-4-carboxylaldehyde
4'-methyl-2,2'-bipyridine-4-carboxylic acid
Conditions | Yield |
---|---|
With silver nitrate; sodium hydroxide In ethanol for 24h; Darkness; | 82% |
With silver nitrate; sodium hydroxide In ethanol; water at 20℃; | 80% |
Stage #1: 4'-methyl-2,2'-bipyridine-4-carboxylaldehyde With silver nitrate In ethanol for 0.333333h; Stage #2: With sodium hydroxide In ethanol at 25℃; for 15h; Darkness; | 80% |
4,4'-dimethyl-2,2'-bipyridines
A
2,2'-Bipyridine-4,4'-dicarboxylic acid
B
4'-methyl-2,2'-bipyridine-4-carboxylic acid
Conditions | Yield |
---|---|
With potassium permanganate; sulfuric acid for 12h; Heating; | A 45% B 4% |
With manganese(II) sulfate; potassium permanganate In pyridine; water for 120h; Ambient temperature; | A n/a B 7% |
With sodium hydroxide; selenium(IV) oxide; silver nitrate 1.) 1,4-dioxane, reflux, 24 h, 2.) EtOH, water, 15 h; Yield given. Multistep reaction. Yields of byproduct given; | |
With chromium(VI) oxide; periodic acid In dichloromethane; acetonitrile at 20℃; for 16h; Overall yield = 0.099 g; | A 35 %Spectr. B 6 %Spectr. |
4,4'-dimethyl-2,2'-bipyridines
A
4'-methyl-2,2'-bipyridine-4-carboxylaldehyde
B
4'-methyl-2,2'-bipyridine-4-carboxylic acid
Conditions | Yield |
---|---|
With selenium(IV) oxide In 1,4-dioxane for 72h; | A 29% B n/a |
picoline
4'-methyl-2,2'-bipyridine-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: manganese(IV) oxide; palladium on activated charcoal / neat (no solvent) / 168 h / 140 °C 2.1: selenium(IV) oxide / 1,4-dioxane / 24 h / Reflux 2.2: 20 °C View Scheme |
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Molecular Formula: C12H10N2O2
Molecular Weight: 214.22 g/mol
Index of Refraction: 1.608
Density: 1.26 g/cm3
Flash Point: 254.6 °C
Enthalpy of Vaporization: 80.61 kJ/mol
Boiling Point: 497.4 °C at 760 mmHg
Vapour Pressure: 1.03E-10 mmHg at 25 °C
Structure of 4'-Methyl-2,2'-bipyridine-4-carboxylic acid (CAS NO.103946-54-9):
Product Category of 4'-Methyl-2,2'-bipyridine-4-carboxylic acid (CAS NO.103946-54-9): API intermediates
4'-Methyl-2,2'-bipyridine-4-carboxylic acid (CAS NO.103946-54-9) also can be called [2,2'-bipyridine]-4-carboxylic acid, 4'-methyl- .