Melting point 6.5°C Boiling point 165 °C/740 mmHg (lit.) density 0.935 g/mL at 25 °C (lit.) refractive index n20/D 1.505(lit.) Fp 130 °F storage temp. Refrigerator pka 18.46±0.50(Predicted) form C
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inquiryTIANFUCHEM--625-84-3--2,5-Dimethyl-1H-pyrrole in stock Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable business rela
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inquiryProduct Description Product website: http://www.finerchem.com Product Name 2,5-Dimethylpyrrole CAS No. 625-84-3
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inquiryName: Dimethylpyrrole Synonyms: 2,5-dimethylpyrrole CAS:625-84-3 MF: C6H9N Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application:used in syntheses material intermediates Transportati
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inquiryConditions | Yield |
---|---|
With ammonia In methanol at 0 - 110℃; under 2625.26 Torr; Paal-Knorr pyrrole synthesis; | 100% |
With aluminum oxide; 1,1,1,3,3,3-hexamethyl-disilazane at 100 - 110℃; for 0.333333h; Product distribution; other diones; var. temperatures and reaction times; | 81% |
With ammonium carbonate at 95 - 115℃; Product distribution / selectivity; Inert atmosphere; | 78% |
Conditions | Yield |
---|---|
With AuC27H42N2(1+)*B(C6F5)4(1-)=(AuC27H42N2)(B(C6F5)4); ammonia In benzene-d6 at -60 - 135℃; Inert atmosphere; | 96% |
With ammonia; AuC27H42N2(1+)*B(C6F5)4(1-)=(AuC27H42N2)(B(C6F5)4) In benzyl methyl ether; benzene-d6 at -60 - 135℃; Product distribution / selectivity; | 96% |
A
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
With carbon dioxide; water In acetone under N2, addn. of a few drops of H2O to a soln. of the complex, replaceing N2 with CO2 (3 atm), keeping the soln. undistrubed overnight, pptn.; filtered, washed (acetone), vac. dried, elem. anal.; | A n/a B 90% |
2,5-hexanedione
A
2,5-Dimethylpyrrole
B
2,5-dimethyl-3,4-dihydro-2h-pyrrol-2-ol
Conditions | Yield |
---|---|
With ammonia | A 15% B 85% |
With ammonium hydroxide at 5 - 10℃; for 10h; | |
With ammonia Yields of byproduct given; |
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid for 0.25h; | 81% |
Conditions | Yield |
---|---|
With ammonia In n-heptane at 150℃; under 15001.5 Torr; for 3h; Inert atmosphere; | 62% |
With ammonia Leiten ueber Aluminiumoxid bei 450grad; | |
With ammonium hydroxide; NaY zeolite (LZY-54) In water at 350℃; under 52476.2 - 130050 Torr; for 4h; Product distribution / selectivity; Inert atmosphere; | |
With ammonium hydroxide; iron(II) sulfate; aluminium at 300℃; |
Conditions | Yield |
---|---|
With water In acetone under N2, addn. of solid H2C2O4*2H2O to a soln. of the complex, stirring, room temp., 4 h, pptn.; filtered, washed (acetone), vac. dried, elem. anal.; | A n/a B 60% |
Conditions | Yield |
---|---|
In methanol; acetone under N2, addn. (via canula) of a soln. of H2C3N2O3 in MeOH to a soln. of the complex in acetone, stirring overnight at room temp.; vac. evapn. to dryness, residue triturated with Et2O, pptn., filtered, dried; | A n/a B 60% |
sodium cyanide
N-(2,5-dimethylpyrrol-1-yl)pyridinium iodide
A
2,5-Dimethylpyrrole
B
pyridine-4-carbonitrile
Conditions | Yield |
---|---|
In water at 100℃; for 0.5h; | A n/a B 33% |
2,5-dimethyl-Δ3-pyrroline
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In dimethyl sulfoxide at 45℃; for 13h; | 23% |
Conditions | Yield |
---|---|
With magnesium hydrosilicate; palladium at 300℃; |
1-formyl-2,5-dimethyl-pyrrole
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
With soda lime at 100℃; |
Conditions | Yield |
---|---|
With methanol; ammonia; nickel at 150℃; under 110326 Torr; Hydrogenation; |
2,5-dimethyl-1H-pyrrole-3,4-dicarboxylic acid
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
beim Schmelzen; |
4-isopropylidene-3-methylisoxazol-5(4H)-one
A
2,4-dimethyl-1H-pyrrole
B
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
at 550 - 700℃; under 0.0005 Torr; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
In isopropyl alcohol at 80℃; for 72h; Yield given; |
D-glucose
glycine
A
(2-furyl)methyl alcohol
B
2,5-Dimethylpyrrole
C
2,3-dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one
D
2-Acetylpyrrole
E
acetic acid
F
propionic acid
Conditions | Yield |
---|---|
In water at 95℃; for 2h; Product distribution; other reaction time, other temperature; |
2,5-dimethyl-3,4-dihydro-2h-pyrrol-2-ol
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
at 25℃; |
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
at 210 - 213℃; | |
With hydrogenchloride |
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
durch Erhitzen ueber den Schmelzpunkt; | |
With hydrogenchloride |
Conditions | Yield |
---|---|
at 320℃; im geschlossenen Rohr; |
Conditions | Yield |
---|---|
at 100 - 115℃; |
2,5-dimethyl-1H-pyrrole-3,4-dicarboxylic acid
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
Zersetzen des Reaktionsprodukts mit waessr.Ammoniumchlorid-Loesung; |
methanol
ammonia
2,5-hexanedione
A
2,5-dimethylpyrrolide
B
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
under 110326 Torr; |
prop-1-yne
acetone oxime
A
2,4-dimethyl-1H-pyrrole
B
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
With potassium hydroxide In dimethyl sulfoxide at 118 - 128℃; for 6h; Cycloaddition; |
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
In acetonitrile | 100% |
In acetonitrile for 4h; Ambient temperature; | 99% |
2,5-Dimethylpyrrole
N-methylpyrrole aldehyde
tetrafluoroboric acid diethyl ether
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 0.5h; | 100% |
Conditions | Yield |
---|---|
In various solvent(s) at 110℃; pH=3; | 99% |
Conditions | Yield |
---|---|
In various solvent(s) at 110℃; pH=3; | 99% |
Conditions | Yield |
---|---|
In toluene at 20℃; for 5h; Glovebox; Inert atmosphere; Schlenk technique; | 99% |
In toluene at 20℃; for 5h; Inert atmosphere; | 99% |
2,5-Dimethylpyrrole
4-methoxy-aniline
1-(4-methoxyphenyl)-2,5-dimethyl-1H-pyrrole
Conditions | Yield |
---|---|
In various solvent(s) at 110℃; pH=3; | 98% |
With indium(III) tris[bis(trifluoromethanesulfonyl)amide] In 1,4-dioxane at 120℃; for 32h; Schlenk technique; Inert atmosphere; | 83% |
Conditions | Yield |
---|---|
Stage #1: 2,5-Dimethylpyrrole With n-butyllithium at 0℃; for 0.25h; Inert atmosphere; Stage #2: 1-bromopyrene With bis(dibenzylideneacetone)-palladium(0); ruphos at 100℃; for 12h; Inert atmosphere; regioselective reaction; | 96% |
2,5-Dimethylpyrrole
2-(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-ylidene)propanedinitrile
2-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)-2-(2,5-dimethyl-1H-pyrrol-3-yl)malononitrile
Conditions | Yield |
---|---|
In acetic acid for 2h; Ambient temperature; | 95% |
2,5-Dimethylpyrrole
methyl 4-chlorocinnamate
Conditions | Yield |
---|---|
Stage #1: methyl 4-chlorocinnamate With nickel(II) triflate; C47H72N4O4 In dichloromethane at 35℃; for 0.5h; Inert atmosphere; Stage #2: 2,5-Dimethylpyrrole In dichloromethane at -20℃; Inert atmosphere; enantioselective reaction; | 95% |
2,5-Dimethylpyrrole
3-methoxy-cinnamic acid methyl ester
Conditions | Yield |
---|---|
Stage #1: 3-methoxy-cinnamic acid methyl ester With nickel(II) triflate; C47H72N4O4 In dichloromethane at 35℃; for 0.5h; Inert atmosphere; Stage #2: 2,5-Dimethylpyrrole In dichloromethane at -20℃; Inert atmosphere; enantioselective reaction; | 95% |
2,5-Dimethylpyrrole
methyl 3-(thiophen-2-yl)acrylate
Conditions | Yield |
---|---|
Stage #1: methyl 3-(thiophen-2-yl)acrylate With nickel(II) triflate; C47H72N4O4 In dichloromethane at 35℃; for 0.5h; Inert atmosphere; Stage #2: 2,5-Dimethylpyrrole In dichloromethane at -20℃; Inert atmosphere; enantioselective reaction; | 95% |
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
Stage #1: methyl 3-(furan-2-yl)acrylate With nickel(II) triflate; C47H72N4O4 In dichloromethane at 35℃; for 0.5h; Inert atmosphere; Stage #2: 2,5-Dimethylpyrrole In dichloromethane at -20℃; Inert atmosphere; enantioselective reaction; | 95% |
2,5-Dimethylpyrrole
(2E,4E)-5-Phenyl-penta-2,4-dienoic acid methyl ester
Conditions | Yield |
---|---|
Stage #1: (2E,4E)-5-Phenyl-penta-2,4-dienoic acid methyl ester With nickel(II) triflate; C47H72N4O4 In dichloromethane at 35℃; for 0.5h; Inert atmosphere; Stage #2: 2,5-Dimethylpyrrole In dichloromethane at -20℃; Inert atmosphere; enantioselective reaction; | 95% |
2,5-Dimethylpyrrole
1,4-phenylenediamine
1-amino-4-(2,5-dimethylpyrrol-1-yl)benzene
Conditions | Yield |
---|---|
With indium(III) tris[bis(trifluoromethanesulfonyl)amide] In 1,4-dioxane at 120℃; for 48h; Concentration; Schlenk technique; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
Stage #1: aniline With hydrogenchloride In water at 0℃; for 0.0833333h; Stage #2: With sodium nitrite In water at 0℃; for 1h; Stage #3: 2,5-Dimethylpyrrole In pyridine; methanol; water at 0℃; for 1h; | 95% |
2,5-Dimethylpyrrole
methyl 4-chlorocinnamate
Conditions | Yield |
---|---|
Stage #1: methyl 4-chlorocinnamate With nickel(II) triflate; C43H64N4O4 In toluene at 35℃; for 0.5h; Friedel-Crafts Alkylation; Inert atmosphere; Stage #2: 2,5-Dimethylpyrrole In toluene at -20℃; Friedel-Crafts Alkylation; Inert atmosphere; enantioselective reaction; | 94% |
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
Stage #1: methyl 3-(furan-2-yl)acrylate With nickel(II) triflate; C43H64N4O4 In toluene at 35℃; for 0.5h; Friedel-Crafts Alkylation; Inert atmosphere; Stage #2: 2,5-Dimethylpyrrole In toluene at -20℃; Friedel-Crafts Alkylation; Inert atmosphere; enantioselective reaction; | 94% |
Conditions | Yield |
---|---|
Stage #1: 2,5-Dimethylpyrrole; diethyl ether With n-butyllithium In hexane at -78 - 20℃; Inert atmosphere; Glovebox; Schlenk technique; Stage #2: dimethylaluminum chloride In diethyl ether; hexane at -78℃; Inert atmosphere; Glovebox; Schlenk technique; | 94% |
2,5-Dimethylpyrrole
Conditions | Yield |
---|---|
In pentane at 20℃; for 20h; Inert atmosphere; | 94% |
Conditions | Yield |
---|---|
Stage #1: 2,5-Dimethylpyrrole With n-butyllithium at 0℃; for 0.25h; Inert atmosphere; Stage #2: bromobenzene With bis(dibenzylideneacetone)-palladium(0); ruphos at 100℃; Inert atmosphere; | 94% |
Conditions | Yield |
---|---|
Stage #1: 2,5-Dimethylpyrrole With n-butyllithium at 0℃; for 0.25h; Inert atmosphere; Stage #2: 1-bromo-4-methoxy-benzene With bis(dibenzylideneacetone)-palladium(0); ruphos at 100℃; for 12h; Inert atmosphere; regioselective reaction; | 94% |
2,5-Dimethylpyrrole
methyl ester of m-chlorocinnamic acid
Conditions | Yield |
---|---|
Stage #1: methyl ester of m-chlorocinnamic acid With nickel(II) triflate; C47H72N4O4 In dichloromethane at 35℃; for 0.5h; Inert atmosphere; Stage #2: 2,5-Dimethylpyrrole In dichloromethane at -20℃; Inert atmosphere; enantioselective reaction; | 93% |
2,5-Dimethylpyrrole
methyl 3-(4-methylphenyl)acrylate
Conditions | Yield |
---|---|
Stage #1: methyl 3-(4-methylphenyl)acrylate With nickel(II) triflate; C47H72N4O4 In dichloromethane at 35℃; for 0.5h; Inert atmosphere; Stage #2: 2,5-Dimethylpyrrole In dichloromethane at -20℃; Inert atmosphere; enantioselective reaction; | 93% |
Conditions | Yield |
---|---|
Stage #1: 2,5-Dimethylpyrrole With n-butyllithium at 0℃; for 0.25h; Inert atmosphere; Stage #2: 4-iodoanisol With bis(dibenzylideneacetone)-palladium(0); ruphos at 100℃; for 12h; Inert atmosphere; | 93% |
2,5-Dimethylpyrrole
Ti(σ-2,5-dimethylpyrrolyl)(NMe2)3
Conditions | Yield |
---|---|
In toluene under Ar, Schlenk techniques; soln. of dimethylpyrrole in toluene added dropwise into cooled (-50°C) and stirred Ti(NMe2)4 in toluene, yellow soln. turned orange during react., warming to room temp., stirring overnight; volatiles removed in vac., recrystn. (hexane, -80°C), filtered, dried (vac.); elem. anal.; | 92% |
2,5-Dimethylpyrrole
p-Phenyl-zimtsaeuremethylester
Conditions | Yield |
---|---|
Stage #1: p-Phenyl-zimtsaeuremethylester With nickel(II) triflate; C43H64N4O4 In toluene at 35℃; for 0.5h; Friedel-Crafts Alkylation; Inert atmosphere; Stage #2: 2,5-Dimethylpyrrole In toluene at -20℃; Friedel-Crafts Alkylation; Inert atmosphere; enantioselective reaction; | 92% |
2,5-Dimethylpyrrole
3,4-Dichlor-zimtsaeure-methylester
Conditions | Yield |
---|---|
Stage #1: 3,4-Dichlor-zimtsaeure-methylester With nickel(II) triflate; C47H72N4O4 In dichloromethane at 35℃; for 0.5h; Inert atmosphere; Stage #2: 2,5-Dimethylpyrrole In dichloromethane at -20℃; Inert atmosphere; enantioselective reaction; | 92% |
Conditions | Yield |
---|---|
With hydrogenchloride; 1-hexyl-3-methyl-1-imidazolium bromide In water at 80℃; for 6h; chemoselective reaction; | 92% |
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