Product Name

  • Name

    2,4-Dimethylpyrrole

  • EINECS 210-912-2
  • CAS No. 625-82-1
  • Article Data69
  • CAS DataBase
  • Density 0.924 g/cm3
  • Solubility
  • Melting Point 6.5°C (estimate)
  • Formula C6H9N
  • Boiling Point 171 °C at 760 mmHg
  • Molecular Weight 95.1442
  • Flash Point 56.6 °C
  • Transport Information
  • Appearance clear light yellow to light yellow-orange liquid
  • Safety 26-36-37/39
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 625-82-1 (2,4-Dimethylpyrrole)
  • Hazard Symbols IrritantXi
  • Synonyms Pyrrole,2,4-dimethyl- (6CI,7CI,8CI);2,4-Dimethyl-1-pyrrole;2,4-Dimethyl-1H-pyrrole;NSC 81347;
  • PSA 15.79000
  • LogP 1.63150

Synthetic route

diethyl 2,4-dimethylpyrrole-3,5-dicarboxylate
2436-79-5

diethyl 2,4-dimethylpyrrole-3,5-dicarboxylate

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With potassium hydroxide In ethylene glycol at 160℃; for 4h; Schlenk technique; Inert atmosphere;92%
With potassium hydroxide In ethylene glycol at 160℃; for 4h; Inert atmosphere; Schlenk technique;92%
With potassium hydroxide In ethylene glycol at 160℃;92%
3,5-dimethyl-2-ethoxycarbonyl-1H-pyrrole
2199-44-2

3,5-dimethyl-2-ethoxycarbonyl-1H-pyrrole

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With ethylene glycol; potassium hydroxide; hydrazinium sulfate for 1h; Reflux; without air access;75%
With phosphoric acid
With ethylene glycol; potassium hydroxide
1-(1,2,5-trimethyl-1H-pyrrol-3-yl)-ethanone
90433-85-5

1-(1,2,5-trimethyl-1H-pyrrol-3-yl)-ethanone

A

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

B

1,2,5-trimethyl-1H-pyrrole
930-87-0

1,2,5-trimethyl-1H-pyrrole

Conditions
ConditionsYield
With ethylene glycol; toluene-4-sulfonic acid In benzene for 0.25h; Heating;A 68%
B 68%
1,1,1,3,3,3-Hexamethyl-2-(2-methyl-4-trimethylsilanyloxy-penta-2,3-dienyl)-disilazane

1,1,1,3,3,3-Hexamethyl-2-(2-methyl-4-trimethylsilanyloxy-penta-2,3-dienyl)-disilazane

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With hydrogenchloride In tetrachloromethane for 0.166667h;65%
3,5-dimethyl-2-ethoxycarbonyl-1H-pyrrole
2199-44-2

3,5-dimethyl-2-ethoxycarbonyl-1H-pyrrole

acetic acid tert-butyl ester
540-88-5

acetic acid tert-butyl ester

A

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

B

ethyl 4-tert-butyl-3,5-dimethyl-1H-pyrrole-2-carboxylate
28991-95-9

ethyl 4-tert-butyl-3,5-dimethyl-1H-pyrrole-2-carboxylate

Conditions
ConditionsYield
With sulfuric acid In nitromethane at 75℃; for 4h;A n/a
B 49%
2,4-dimethyl-3-acetylpyrrole
2386-25-6

2,4-dimethyl-3-acetylpyrrole

A

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

B

ethylene glycol monoformate
628-35-3

ethylene glycol monoformate

Conditions
ConditionsYield
With ethylene glycol; toluene-4-sulfonic acid In benzene for 0.25h; Heating;A 40%
B n/a
(2,4-Dimethyl-pyrrol-1-yl)-dimethyl-amine

(2,4-Dimethyl-pyrrol-1-yl)-dimethyl-amine

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With ammonia; sodium In tetrahydrofuran under 6000.5 - 7500.6 Torr; for 3h; Ambient temperature;32%
2,4-dimethylfuran
3710-43-8

2,4-dimethylfuran

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With ammonia Gegenwart von aktiviertem Aluminiumoxid;
epoxy-1,2 methyl-2 pentyne-3
2806-54-4

epoxy-1,2 methyl-2 pentyne-3

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With ethanol; ammonia
2,4-dimethyl-3-acetylpyrrole
2386-25-6

2,4-dimethyl-3-acetylpyrrole

sodium methylate
124-41-4

sodium methylate

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
at 200℃;
2,4-dimethyl-3-acetylpyrrole
2386-25-6

2,4-dimethyl-3-acetylpyrrole

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With sodium methylate at 200℃; im Rohr;
NSC 15758
5434-29-7

NSC 15758

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With glycerol
In water at 160℃; for 8h;29 g
NSC 15758
5434-29-7

NSC 15758

A

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

B

methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

Conditions
ConditionsYield
at 260℃;
3,5-bis-carboxymethyl-pyrrole-2,4-dicarboxylic acid

3,5-bis-carboxymethyl-pyrrole-2,4-dicarboxylic acid

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
at 220℃;
<3,3',5,5'-tetrakis(ethoxycarbonyl)-4,4'-dimethyl-2,2'-dipyrryl>methane
5431-96-9

<3,3',5,5'-tetrakis(ethoxycarbonyl)-4,4'-dimethyl-2,2'-dipyrryl>methane

A

3-methylpyrrole
616-43-3

3-methylpyrrole

B

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With sodium hydroxide Erhitzen der eingeengten Reaktionsloesung mit 50%ig. wss. Kalilauge in einem Kupfer-Gefaess;
glycine methyl ketone
298-08-8

glycine methyl ketone

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

acetone
67-64-1

acetone

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

1-aminopropan-2-one hydrochloride
7737-17-9

1-aminopropan-2-one hydrochloride

acetone
67-64-1

acetone

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With sodium hydroxide
4-isopropylidene-3-methylisoxazol-5(4H)-one
17975-59-6

4-isopropylidene-3-methylisoxazol-5(4H)-one

A

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

B

2,5-Dimethylpyrrole
625-84-3

2,5-Dimethylpyrrole

Conditions
ConditionsYield
at 550 - 700℃; under 0.0005 Torr; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
1-tert-butyl-3,5-dimethyl-2-oxo-2-phenyl-1,2-dihydro-1,2-azaphosphinine
111077-83-9

1-tert-butyl-3,5-dimethyl-2-oxo-2-phenyl-1,2-dihydro-1,2-azaphosphinine

A

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

B

tertiary butyl chloride
507-20-0

tertiary butyl chloride

C

3-chloro-4,6-dipropylpyridine

3-chloro-4,6-dipropylpyridine

Conditions
ConditionsYield
at 600℃; under 0.02 Torr;
γ-phylloporphyrin-XV
2644-60-2

γ-phylloporphyrin-XV

A

2,3-dimethyl-1H-pyrrole
600-28-2

2,3-dimethyl-1H-pyrrole

B

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

C

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

D

4-ethyl-2,3-dimethyl-1H-pyrrole
491-18-9

4-ethyl-2,3-dimethyl-1H-pyrrole

E

3-(4,5-dimethyl-pyrrol-3-yl)-propionic acid methyl ester
53365-83-6

3-(4,5-dimethyl-pyrrol-3-yl)-propionic acid methyl ester

F

methyl 2,4-dimethyl-3-pyrrolepropionate
54474-51-0

methyl 2,4-dimethyl-3-pyrrolepropionate

Conditions
ConditionsYield
With hydrogen iodide Product distribution; structural analysis by degradative techniques;
2,4-dimethylpyrrole-1-d

2,4-dimethylpyrrole-1-d

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With n-butanethiol In tetrachloromethane at 25℃; Rate constant;
α.α-bis-<2.4-dimethyl-5-acetyl-pyrryl-(3)>-ethane

α.α-bis-<2.4-dimethyl-5-acetyl-pyrryl-(3)>-ethane

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With hydrogen iodide; acetic acid
α.α-bis-<3.5-dimethyl-4-acetyl-pyrryl-(2)>-ethane

α.α-bis-<3.5-dimethyl-4-acetyl-pyrryl-(2)>-ethane

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With hydrogen iodide; acetic acid
α.α-bis-<3.5-dimethyl-4-ethoxycarbonyl-pyrryl-(2)>-ethane

α.α-bis-<3.5-dimethyl-4-ethoxycarbonyl-pyrryl-(2)>-ethane

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With hydrogen iodide; acetic acid
β-<3.5-dimethyl-pyrryl-(2)>-propionic acid

β-<3.5-dimethyl-pyrryl-(2)>-propionic acid

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
bei der Destillation;
11.11-bis-<3.5-dimethyl-4-ethoxycarbonyl-pyrryl-(2)>-toluene

11.11-bis-<3.5-dimethyl-4-ethoxycarbonyl-pyrryl-(2)>-toluene

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With hydrogen iodide; acetic acid
hydrogenchloride
7647-01-0

hydrogenchloride

1-(3,5-dimethyl-1H-pyrrol-2-yl)ethan-1-one
1500-93-2

1-(3,5-dimethyl-1H-pyrrol-2-yl)ethan-1-one

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

2.4-dimethyl-pyrrole-carboxylic acid-(3)

2.4-dimethyl-pyrrole-carboxylic acid-(3)

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
bei der Destillation;
With sulfuric acid
2.4-dimethyl-pyrrole-dicarboxylic acid-(3.5)

2.4-dimethyl-pyrrole-dicarboxylic acid-(3.5)

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

Conditions
ConditionsYield
bei der Destillation;
With sulfuric acid
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

2,6-dimethyl-4-hydroxybenzaldehyde
70547-87-4

2,6-dimethyl-4-hydroxybenzaldehyde

C21H24N2O

C21H24N2O

Conditions
ConditionsYield
Stage #1: 2,4-dimethyl-1H-pyrrole; 2,6-dimethyl-4-hydroxybenzaldehyde With trifluoroacetic acid In dichloromethane at 20℃; Inert atmosphere;
Stage #2: With 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane at 20℃;
100%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

2-pyrrole aldehyde
1003-29-8

2-pyrrole aldehyde

boron trifluoride diethyl etherate
109-63-7

boron trifluoride diethyl etherate

5,5-difluoro-1,3-dimethyl-5H-4λ4,5λ,4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinine
154793-49-4

5,5-difluoro-1,3-dimethyl-5H-4λ4,5λ,4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinine

Conditions
ConditionsYield
Stage #1: 2,4-dimethyl-1H-pyrrole; 2-pyrrole aldehyde With trichlorophosphate In dichloromethane at -5 - 20℃; for 6h; Inert atmosphere;
Stage #2: boron trifluoride diethyl etherate With N-ethyl-N,N-diisopropylamine In dichloromethane Inert atmosphere;
99%
Stage #1: 2,4-dimethyl-1H-pyrrole; 2-pyrrole aldehyde With trichlorophosphate In dichloromethane at 0 - 20℃; for 2h;
Stage #2: boron trifluoride diethyl etherate With triethylamine In dichloromethane at 20℃; for 1h;
36.1%
With N-ethyl-N,N-diisopropylamine; trichlorophosphate In dichloromethane (N2) to soln. pyrrole 2-carboxyaldehyde in CH2Cl2 at -5°C, 2,4-dimethylpyrrole was added, stirred for 3 min, POCl3 was dropwise added, stirred at -5°C for 3 h and at room temp. 3 h, i-Pr2NEt and BF3*Et2O were added, stirred for 3 h; react. mixt. was washed with H2O, dried over Na2SO4, evapd., residue waschromd. on silica (hexane/EtOAc, 5:1);32.8%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

tris[3,5-dimethylpyrrol-2-yl]methane
117864-49-0

tris[3,5-dimethylpyrrol-2-yl]methane

Conditions
ConditionsYield
With bismuth(lll) trifluoromethanesulfonate In neat liquid at 20℃; for 1h; Friedel-Crafts Alkylation;99%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

ethyl 2-phenyldiazoacetate
22065-57-2

ethyl 2-phenyldiazoacetate

C16H19NO2

C16H19NO2

Conditions
ConditionsYield
With hydrotris(3,4,5-tribromo)pyrazolylborate Cu(NCMe) In 1,2-dichloro-ethane at 60℃; for 4h; Catalytic behavior; Reagent/catalyst; Inert atmosphere; Schlenk technique;99%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

perfluorobenzaldehyde
653-37-2

perfluorobenzaldehyde

5-pentafluorophenyl-1,3,7,9-tetramethyldipyrromethane

5-pentafluorophenyl-1,3,7,9-tetramethyldipyrromethane

Conditions
ConditionsYield
Stage #1: 2,4-dimethyl-1H-pyrrole; perfluorobenzaldehyde With trifluoroacetic acid In dichloromethane at 20℃; for 2h; Inert atmosphere;
Stage #2: With triethylamine In dichloromethane for 0.0833333h; Inert atmosphere;
98%
With trifluoroacetic acid In dichloromethane Inert atmosphere;
With boron trifluoride diethyl etherate In dichloromethane at 20℃; for 48h; Inert atmosphere;
With trifluoroacetic acid In dichloromethane at 20℃; Inert atmosphere;
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

1-(N-methoxycarbonyl)indole-2-boronic acid
1001162-89-5

1-(N-methoxycarbonyl)indole-2-boronic acid

2-(5-((3,5-dimethyl-2H-pyrrol-2-ylidene)methyl)-4-methoxy-1H-pyrrol-2-yl)-1H-indole

2-(5-((3,5-dimethyl-2H-pyrrol-2-ylidene)methyl)-4-methoxy-1H-pyrrol-2-yl)-1H-indole

Conditions
ConditionsYield
Stage #1: 2,4-dimethyl-1H-pyrrole; 1-(N-methoxycarbonyl)indole-2-boronic acid With hydrogenchloride In methanol at 16 - 20℃;
Stage #2: In N,N-dimethyl-formamide for 0.333333h;
98%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

O,O-diethyl α-iminotrifluoroethylphosphonate
956410-70-1

O,O-diethyl α-iminotrifluoroethylphosphonate

diethyl 1-amino-1-(3,5-dimethylpyrrol-2-yl)-2,2,2-trifluoroethylphosphonate
1599437-84-9

diethyl 1-amino-1-(3,5-dimethylpyrrol-2-yl)-2,2,2-trifluoroethylphosphonate

Conditions
ConditionsYield
at 20℃; regioselective reaction;98%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

C18H16N2O2
1374781-78-8

C18H16N2O2

C24H23N3O

C24H23N3O

Conditions
ConditionsYield
Stage #1: C18H16N2O2 With C80H49NO6P2; hydroxypropyl-β-cyclodextrin In tetrahydrofuran at 55℃; for 0.166667h; Friedel-Crafts Alkylation;
Stage #2: 2,4-dimethyl-1H-pyrrole In tetrahydrofuran at 55℃; for 12h; Friedel-Crafts Alkylation; enantioselective reaction;
98%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

(R)-2-(prop-1-en-2-yl)-1-tosylaziridine

(R)-2-(prop-1-en-2-yl)-1-tosylaziridine

C18H24N2O2S

C18H24N2O2S

Conditions
ConditionsYield
With bis(norbornadiene)rhodium(l)tetrafluoroborate In 1,2-dichloro-ethane at 25℃; for 0.25h; enantioselective reaction;98%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

4-fluoro-3-nitrobenzaldehyde
42564-51-2

4-fluoro-3-nitrobenzaldehyde

5-(4-fluoro-3-nitrophenyl)-1,3,7,9-tetramethyldipyrromethane

5-(4-fluoro-3-nitrophenyl)-1,3,7,9-tetramethyldipyrromethane

Conditions
ConditionsYield
Stage #1: 2,4-dimethyl-1H-pyrrole; 4-fluoro-3-nitrobenzaldehyde With trifluoroacetic acid In dichloromethane at 20℃; for 2.5h; Inert atmosphere;
Stage #2: With triethylamine In dichloromethane for 0.0833333h; Inert atmosphere;
98%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

rac-(E)-1,3-diphenyl-3-acetoxy-prop-1-ene
87751-69-7

rac-(E)-1,3-diphenyl-3-acetoxy-prop-1-ene

(E)-3,5-dimethyl-2-(1,3-diphenyl-2-propenyl)pyrrole

(E)-3,5-dimethyl-2-(1,3-diphenyl-2-propenyl)pyrrole

Conditions
ConditionsYield
With bis(η3-allyl-μ-chloropalladium(II)); C34H23P; potassium carbonate In toluene; acetonitrile at -20℃; for 38h; Inert atmosphere; optical yield given as %ee; enantioselective reaction;97%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

mesityl(2-(pentafluoro-λ6-sulfaneyl)pyridyl)-6-iodonium trifluoromethanesulfonate

mesityl(2-(pentafluoro-λ6-sulfaneyl)pyridyl)-6-iodonium trifluoromethanesulfonate

2-(3,5-dimethyl-1H-pyrrol-2-yl)-6-(pentafluoro-λ6-sulfaneyl)pyridine

2-(3,5-dimethyl-1H-pyrrol-2-yl)-6-(pentafluoro-λ6-sulfaneyl)pyridine

Conditions
ConditionsYield
With sodium hydroxide at 80℃; for 10h; Inert atmosphere;97%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

(Z)-β-bromostyrene
588-73-8

(Z)-β-bromostyrene

2,4-dimethyl-1-[(Z)-2-phenylethenyl]-1H-pyrrole

2,4-dimethyl-1-[(Z)-2-phenylethenyl]-1H-pyrrole

Conditions
ConditionsYield
Stage #1: 2,4-dimethyl-1H-pyrrole In 1,2-dimethoxyethane; toluene at 20℃; for 0.5h;
Stage #2: (Z)-β-bromostyrene With tri-tert-butyl phosphine; bis(dibenzylideneacetone)-palladium(0) In 1,2-dimethoxyethane; toluene at 100℃; for 10h; Further stages.;
96%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

methyl 3,3,3-trifluoro-2-iminopropanoate

methyl 3,3,3-trifluoro-2-iminopropanoate

C10H13F3N2O2
1599437-85-0

C10H13F3N2O2

Conditions
ConditionsYield
at 20℃; regioselective reaction;96%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

C15H5BBr6F2N2
1350764-68-9

C15H5BBr6F2N2

C27H21BBr4F2N4

C27H21BBr4F2N4

Conditions
ConditionsYield
In toluene at 20℃; for 0.5h; Inert atmosphere;96%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

3,5-dimethylpyrrole-2-carbaldehyde
2199-58-8

3,5-dimethylpyrrole-2-carbaldehyde

boron trifluoride diethyl etherate
109-63-7

boron trifluoride diethyl etherate

4,4-difluoro-1,3,5,7-tetramethyl-4-bora-3a,4a-diaza-s-indacene
21658-70-8

4,4-difluoro-1,3,5,7-tetramethyl-4-bora-3a,4a-diaza-s-indacene

Conditions
ConditionsYield
Stage #1: 2,4-dimethyl-1H-pyrrole; 3,5-dimethylpyrrole-2-carbaldehyde With trichlorophosphate In dichloromethane
Stage #2: With N-ethyl-N,N-diisopropylamine In toluene
Stage #3: boron trifluoride diethyl etherate
96%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

ethyl-3,3,3-trifluoropyruvate
13081-18-0

ethyl-3,3,3-trifluoropyruvate

2-hydroxy-2-(3,5-dimethylpyrrol-2-yl)-3,3,3-trifluoropropionic acid ethyl ester

2-hydroxy-2-(3,5-dimethylpyrrol-2-yl)-3,3,3-trifluoropropionic acid ethyl ester

Conditions
ConditionsYield
With K-10 montmorillonite In toluene at 60℃; for 0.0833333h; Friedel-Crafts hydroxyalkylation;95%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

3,5-dimethylpyrrole-2-carbaldehyde
2199-58-8

3,5-dimethylpyrrole-2-carbaldehyde

Conditions
ConditionsYield
With trichlorophosphate In dichloromethane for 2h; Reflux;95%
Stage #1: N,N-dimethyl-formamide With trichlorophosphate at 0 - 20℃; Inert atmosphere;
Stage #2: 2,4-dimethyl-1H-pyrrole In 1,2-dichloro-ethane at 0℃; for 0.833333h; Reflux;
Stage #3: With water; sodium acetate In 1,2-dichloro-ethane for 0.5h; Reflux;
89%
Stage #1: N,N-dimethyl-formamide With trichlorophosphate at 0 - 20℃; Inert atmosphere;
Stage #2: 2,4-dimethyl-1H-pyrrole at 0 - 40℃; Inert atmosphere;
82%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

5-chloro-1-methylindoline-2, 3-dione
60434-13-1

5-chloro-1-methylindoline-2, 3-dione

5-chloro-1-methyl-3,3-di-(3,5-dimethyl-1H-pyrrol-2-yl)-indolin-2-one
1338697-43-0

5-chloro-1-methyl-3,3-di-(3,5-dimethyl-1H-pyrrol-2-yl)-indolin-2-one

Conditions
ConditionsYield
With C28H19F9InN3O11S3 In acetonitrile at -22 - 20℃; Molecular sieve; Inert atmosphere;95%
With zinc trifluoromethanesulfonate In acetonitrile at 20℃; for 0.0833333h;91%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

rac-(E)-1,3-bis(4-methylphenyl)-2-propen-1-yl acetate
881397-68-8

rac-(E)-1,3-bis(4-methylphenyl)-2-propen-1-yl acetate

(E)-3,5-dimethyl-2-(1,3-di-4-tolyl-2-propenyl)pyrrole

(E)-3,5-dimethyl-2-(1,3-di-4-tolyl-2-propenyl)pyrrole

Conditions
ConditionsYield
With bis(η3-allyl-μ-chloropalladium(II)); C34H23P; potassium carbonate In toluene; acetonitrile at -20℃; for 38h; Inert atmosphere; optical yield given as %ee; enantioselective reaction;95%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

3,4,5-trimethyl-1H-pyrrole-2-carbaldehyde
27226-50-2

3,4,5-trimethyl-1H-pyrrole-2-carbaldehyde

1,2,3,7,9-pentamethyldipyrrin hydrobromide

1,2,3,7,9-pentamethyldipyrrin hydrobromide

Conditions
ConditionsYield
With hydrogen bromide In methanol; water at 20℃; for 0.5h;95%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

diethyl (bromodifluoromethyl)phosphonate
65094-22-6

diethyl (bromodifluoromethyl)phosphonate

2-((difluoromethyl)thio)-3,5-dimethyl-1H-pyrrole

2-((difluoromethyl)thio)-3,5-dimethyl-1H-pyrrole

Conditions
ConditionsYield
Stage #1: 2,4-dimethyl-1H-pyrrole With water; iodine; thiourea; potassium iodide In 1,4-dioxane at 20℃;
Stage #2: With sodium hydroxide In 1,4-dioxane at 50℃; for 1h;
Stage #3: diethyl (bromodifluoromethyl)phosphonate In 1,4-dioxane at 20℃; for 4h;
94%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

mesytaldehyde
487-68-3

mesytaldehyde

trifluoroborane diethyl ether
109-63-7

trifluoroborane diethyl ether

5,5-difluoro-10-mesityl-1,3,7,9-tetramethyl-5H-4λ4,5λ4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinine
1308671-66-0

5,5-difluoro-10-mesityl-1,3,7,9-tetramethyl-5H-4λ4,5λ4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinine

Conditions
ConditionsYield
With N(CH2CH3)3; 2,3-dichloro-5,6-dicyanobenzoquinone; CF3COOH In dichloromethane addn. of CF3COOH to pyrrole deriv. and benzaldehyde deriv. in CH2Cl2 at room temp., stirring for 1 h, addn. of quinone deriv. at 0°C, stirring for 10 min and for 1 h at room temp., addn. of amine deriv. and then of boron compd., stirring for 2 h; washing with aq. satd. soln. of Na2CO3, drying over Na2SO4, evapn., chromy. (silica, n-pentane/CH2Cl2 (5:1), then n-pentane/CH2Cl2 (2:1), then CH2Cl2), evapn., NMR and MS;93%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

tert-butyl 2-(5-formyl-4-methoxy-1H-pyrrol-2-yl)-1H-indole-1-carboxylate
803712-70-1

tert-butyl 2-(5-formyl-4-methoxy-1H-pyrrol-2-yl)-1H-indole-1-carboxylate

C20H19N3O*ClH

C20H19N3O*ClH

Conditions
ConditionsYield
With hydrogenchloride In methanol Inert atmosphere;93%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

tert-butyl 2,4-dimethyl-1H-pyrrole-1-carboxylate
484698-44-4

tert-butyl 2,4-dimethyl-1H-pyrrole-1-carboxylate

Conditions
ConditionsYield
With dmap In acetonitrile at 25℃; for 16h;92%
With dmap In acetonitrile at 20℃; for 1h;92%
With dmap In acetonitrile at 25℃; for 24h;55%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

ethylenesulfonyl fluoride
677-25-8

ethylenesulfonyl fluoride

2-(3,5-dimethyl-1H-pyrrol-2-yl)ethane-1-sulfonyl fluoride

2-(3,5-dimethyl-1H-pyrrol-2-yl)ethane-1-sulfonyl fluoride

Conditions
ConditionsYield
In acetonitrile at 20℃; for 0.333333h;92%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

boron trifluoride diethyl etherate
109-63-7

boron trifluoride diethyl etherate

hexyl 4-formylbenzoate

hexyl 4-formylbenzoate

C26H31BF2N2O2

C26H31BF2N2O2

Conditions
ConditionsYield
Stage #1: 2,4-dimethyl-1H-pyrrole; hexyl 4-formylbenzoate With trifluoroacetic acid In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Darkness;
Stage #2: With 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane for 0.25h; Inert atmosphere;
Stage #3: boron trifluoride diethyl etherate Further stages;
92%
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

3,5-dimethylpyrrole-2-carbaldehyde
2199-58-8

3,5-dimethylpyrrole-2-carbaldehyde

3,5,3',5'-tetramethyl-1H,2'H-2,2'-methanylylidene-bis-pyrrole
2534-93-2

3,5,3',5'-tetramethyl-1H,2'H-2,2'-methanylylidene-bis-pyrrole

Conditions
ConditionsYield
With trichlorophosphate In hexane; dichloromethane at 0℃; for 0.25h; Schlenk technique; Inert atmosphere;91%
With ethanol; hydrogen bromide
2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

[(E)-2-bromoethenyl]benzene
588-72-7

[(E)-2-bromoethenyl]benzene

2,4-dimethyl-1-[(E)-2-phenylethenyl]-1H-pyrrole

2,4-dimethyl-1-[(E)-2-phenylethenyl]-1H-pyrrole

Conditions
ConditionsYield
Stage #1: 2,4-dimethyl-1H-pyrrole With n-butyllithium In 1,2-dimethoxyethane; toluene at 20℃; for 0.5h;
Stage #2: [(E)-2-bromoethenyl]benzene With tri-tert-butyl phosphine; bis(dibenzylideneacetone)-palladium(0) In 1,2-dimethoxyethane; toluene at 70℃; for 9h; Further stages.;
91%

2,4-Dimethylpyrrole Specification

The 1H-Pyrrole,2,4-dimethyl-, with the CAS registry number 625-82-1, is also known as 2,4-Dimethylpyrrole. It belongs to the product categories of Pharmaceutial Intermediates; Imidazoles, Pyrroles, Pyrazoles, Pyrrolidines; Building Blocks; Heterocyclic Building Blocks; Pyrroles. Its EINECS registry number is 210-912-2. This chemical's molecular formula is C6H9N and molecular weight is 95.14236. Its IUPAC name is called 2,4-dimethyl-1H-pyrrole. The product should be sealed and stored in cool and dry place. What's more, it should be protected from strong oxides.

Physical properties of 1H-Pyrrole,2,4-dimethyl-: (1)ACD/LogP: 1.67; (2)ACD/LogD (pH 5.5): 1.67; (3)ACD/LogD (pH 7.4): 1.67; (4)ACD/BCF (pH 5.5): 10.95; (5)ACD/BCF (pH 7.4): 10.95; (6)ACD/KOC (pH 5.5): 192.97; (7)ACD/KOC (pH 7.4): 193; (8)#H bond acceptors: 1; (9)#H bond donors: 1; (10)Index of Refraction: 1.516; (11)Molar Refractivity: 30.33 cm3; (12)Molar Volume: 100.3 cm3; (13)Surface Tension: 33.9 dyne/cm; (14)Density: 0.948 g/cm3; (15)Flash Point: 56.6 °C; (16)Enthalpy of Vaporization: 39.07 kJ/mol; (17)Boiling Point: 171 °C at 760 mmHg; (18)Vapour Pressure: 1.9 mmHg at 25°C.

Uses of 1H-Pyrrole,2,4-dimethyl-: it can be used to produce 1-(diethoxyphosphino)-2,4-dimethylpyrrole at temperature of -10 °C. This reaction will need reagent (C2H5)3N and solvent diethyl ether with reaction time of 1 hour. The yield is about 45%.

When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing, gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CC1=CC(=CN1)C
(2)InChI: InChI=1S/C6H9N/c1-5-3-6(2)7-4-5/h3-4,7H,1-2H3
(3)InChIKey: MFFMQGGZCLEMCI-UHFFFAOYSA-N

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View