1,2-Dimethylimidazole supplier

Name
1,2-Dimethylimidazole
EINECS 217-101-2
CAS No. 1739-84-0
Article Data45
CAS DataBase
Density 0.98 g/cm³
Solubility Soluble in water.
Melting Point 37-39 °C(lit.)
Formula C₅H₈N₂
Boiling Point 206 °C at 760 mmHg
Molecular Weight 96.1319
Flash Point 73 °C
Transport Information UN 3263 8/PG 2
Appearance colorless to yellow low melting mass
Safety 24-26-2
Risk Codes 22-38-41
Molecular Structure
Hazard Symbols Xn,Xi
Synonyms Imidazole,1,2-dimethyl- (6CI,7CI,8CI);1,2-Dimethyl-1H-imidazole;2,3-Dimethyl-1H-imidazole;Curezol 1,2DMZ;N,2-Dimethylimidazole;NSC 111174;PC CAT DMI;SN 25 (vulcanizing agent);Toyocat DM 70;
PSA 17.82000
LogP 0.72850

Synthetic route

: 67-56-1
methanol

: 693-98-1
2-methylimidazole

: 1739-84-0
1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
H-Y zeolite at 299.9℃;	92.5%
zeolite HNaY at 300 - 400℃;	83%

: 131543-46-9
Glyoxal

: 75-07-0
acetaldehyde

: 74-89-5
methylamine

A: 616-47-7
1-methyl-1H-imidazole

B: 1739-84-0
1,2-dimethyl-1H-imidazole

C: 693-98-1
2-methylimidazole

Conditions

Conditions	Yield
With ammonium hydroxide In water at 25 - 70℃; under 225023 Torr; Pressure; Temperature;	A 6.27% B 85.1% C 6.59%

...Expand

: 693-98-1
2-methylimidazole

: 616-38-6
carbonic acid dimethyl ester

: 1739-84-0
1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
With 18-crown-6 ether; potassium carbonate at 100℃; for 8h;	85%
With 18-crown-6 ether; potassium carbonate at 100℃; for 10h;	85%
In N,N-dimethyl-formamide at 120 - 145℃; Solvent; Temperature;	85%

: 693-98-1
2-methylimidazole

: 74-88-4
methyl iodide

: 1739-84-0
1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
With potassium hydroxide In 1,2-dimethoxyethane at 8℃; for 0.5h;	83%
at 30℃; for 8h;	70%

: 79-20-9
acetic acid methyl ester

: 107-15-3
ethylenediamine

A: 534-26-9
lysidine

B: 1739-84-0
1,2-dimethyl-1H-imidazole

C: 693-98-1
2-methylimidazole

Conditions

Conditions	Yield
Pt/Al2O3 at 400℃; under 760 Torr;	A 6.6% B 15.2% C 61.1%
Pt/Al2O3 at 360℃; under 760 Torr;	A 15.5% B 9% C 58.5%
Pt/Al2O3 at 360℃; under 760 Torr; Product distribution; var. temp.;

...Expand

: 24134-09-6
5-bromo-1,2-dimethyl-1H-imidazole

: 1739-84-0
1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
With ammonia; sodium In tert-butyl alcohol for 0.0833333h; Mechanism; Heating; other reagent and solvent;	48%
With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In toluene for 48h; Heating; Irradiation; or Na/NH3, tBuOH, reflux;	50 % Spectr.

: 24134-13-2
1,2-dimethyl-5-iodoimidazole

: 1739-84-0
1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
With ammonia; sodium In tert-butyl alcohol for 0.0833333h; Mechanism; Heating; other reagent and solvent;	15%
With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In toluene Heating; Irradiation; or Na/NH3, tBuOH, reflux;	53 % Spectr.

: 861362-00-7
4-chloro-1,2-dimethyl-1H-imidazole

: 1739-84-0
1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
With diethyl ether; sodium

: 19225-92-4
2-chloromethyl-1-methylimidazole

: 1739-84-0
1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
With acetic acid; zinc

: 900640-98-4
5-chloro-2-chloromethyl-1-methyl-1H-imidazole

: 1739-84-0
1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
With potassium hydroxide; palladium on activated charcoal; hydrazine
With potassium hydroxide; Pd-BaSO4; hydrazine

: 693-98-1
2-methylimidazole

: 74-88-4
methyl iodide

A: 1739-84-0
1,2-dimethyl-1H-imidazole

B: 36432-31-2
1,2,3-trimethylimidazolium iodide

Conditions

Conditions	Yield
With diethyl ether

...Expand

: 694-31-5
1,5-dimethyl-1H-pyrazole

A: 6338-45-0
1,4-dimethylimidazole

B: 10447-93-5
1,2-dimethylimidazole

C: 1739-84-0
1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
In acetonitrile Mechanism; Product distribution; Irradiation; other substrate, other temperatures and irradiation times;

...Expand

: 64-19-7
acetic acid

: 107-15-3
ethylenediamine

A: 534-26-9
lysidine

B: 1739-84-0
1,2-dimethyl-1H-imidazole

C: 693-98-1
2-methylimidazole

D: 871-78-3
N,N'-diacetylethylenediamine

E: 4814-93-1
1-ethyl-2-methyl-4,5-dihydro-1H-imidazole

Conditions

Conditions	Yield
With hydrogen; Pt/Al AP-64K catalyst at 280℃; Product distribution; var. temp. and molar ratio of ragents;

...Expand

: 122676-65-7
C15H20N7O7P

A: 1739-84-0
1,2-dimethyl-1H-imidazole

B: 56499-56-0
guanosine 5'-phosphate

Conditions

Conditions	Yield
In water at 37℃; Rate constant; ionic strength=1.75 NaCl; in the absence and presence of Mg(2+), Ca(2+);

: 91631-71-9
1-methyl-2-((trimethylsilyl)methyl)-1H-imidazole

A: 1739-84-0
1,2-dimethyl-1H-imidazole

B: 1066-40-6
Trimethylsilanol

Conditions

Conditions	Yield
With water at 25℃; Rate constant; pH=12.5;

: 67-56-1
methanol

: 693-98-1
2-methylimidazole

A: 1739-84-0
1,2-dimethyl-1H-imidazole

B: 1739-83-9
1,2,4,5-tetramethylimidazole

C: 1842-63-3
1,2,4-trimethylimidazole

Conditions

Conditions	Yield
γ-Al2O3 at 350 - 400℃; Product distribution; other catalysts, var. temp., other alkohols;

...Expand

: 694-48-4
1,3-dimethyl-1H-pyrazole

A: 6338-45-0
1,4-dimethylimidazole

B: 1739-84-0
1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
In acetonitrile for 0.25h; Rearrangement; Photolysis;

: 694-31-5
1,5-dimethyl-1H-pyrazole

A: 10447-93-5
1,2-dimethylimidazole

B: 1739-84-0
1,2-dimethyl-1H-imidazole

C: 60375-51-1
(E)-3-methyl-3-(N-methylamino)propenenitrile

D: (E)-2-methyl-2-(N-methylamino)ethenyl isocyanide

Conditions

Conditions	Yield
In acetonitrile for 1h; Rearrangement; ring cleavage; Photolysis; Further byproducts given;

...Expand

1-methyl-2-oxy-methyl-imidazole: 1-methyl-2-oxy-methyl-imidazole

: 1739-84-0
1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
With phosphorus; hydrogen iodide at 155 - 170℃;

1-methyl-5-bromo-2-oxymethyl-imidazole: 1-methyl-5-bromo-2-oxymethyl-imidazole

: 1739-84-0
1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
With phosphorus; hydrogen iodide at 155 - 170℃;

1-methyl-5-chloro-2-oxymethyl-imidazole: 1-methyl-5-chloro-2-oxymethyl-imidazole

: 1739-84-0
1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
With phosphorus; hydrogen iodide at 155 - 170℃;

: 74-88-4
methyl iodide

imidazolyl-(1)-magnesium bromide: imidazolyl-(1)-magnesium bromide

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 17334-08-6
1-methyl-2-hydroxymethylimidazole

: 10034-85-2
hydrogen iodide

red phosphorus: red phosphorus

: 1739-84-0
1,2-dimethyl-1H-imidazole

...Expand

: 334893-99-1
(5-chloro-1-methyl-1H-imidazol-2-yl)methanol

: 10034-85-2
hydrogen iodide

red phosphorus: red phosphorus

: 1739-84-0
1,2-dimethyl-1H-imidazole

...Expand

: 861362-06-3
(5-bromo-1-methyl-1H-imidazol-2-yl)methanol

: 10034-85-2
hydrogen iodide

red phosphorus: red phosphorus

: 1739-84-0
1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
at 160℃;

...Expand

: 861362-00-7
4-chloro-1,2-dimethyl-1H-imidazole

sodium: sodium

alcohol containing diethyl ether: alcohol containing diethyl ether

: 1739-84-0
1,2-dimethyl-1H-imidazole

...Expand

: {Fe(meso-tetraphenylporphinato)(1,2-dimethylimidazole)2}Cl

A: 1739-84-0
1,2-dimethyl-1H-imidazole

: (1,2-dimethylimidazole)tetraphenylporphyrinatoiron(III) chloride

Conditions

Conditions	Yield
In not given Kinetics; dissociation of Fe(TPP)(1,2-Me2Im)2Cl, 25 °C; not isolated; detection by dynamic NMR;

: {Fe(meso-tetraphenylporphinato)(1,2-dimethylimidazole)2}Cl

A: 1739-84-0
1,2-dimethyl-1H-imidazole

: (1,2-dimethylimidazole)tetramesitylporphyrinatoiron(III) chloride

Conditions

Conditions	Yield
In not given Kinetics; dissociation of Fe(TMP)(1,2-Me2Im)2Cl, 25 °C; not isolated; detection by satn. transfer method;

: Pd(2+)*C6H5(1-)*3C5H8N2*I(1-)

A: 1739-84-0
1,2-dimethyl-1H-imidazole

: trans-[(phenyl)Pd(1,2-dimethyl-1H-imidazole)2I]

Conditions

Conditions	Yield
In benzene-d6

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 141264-24-6
MeN(CHO)COMe

Conditions

Conditions	Yield
With ozone In methanol at -78℃; Mechanism; other 1-substituted imidazoles;	100%
With ozone In methanol at -78℃;	100%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 86051-76-5
5-deuterio-1,2-dimethyl-1H-imidazole

Conditions

Conditions	Yield
With n-butyllithium; water-d2 In diethyl ether; hexane for 0.333333h; Ambient temperature;	100%
Multi-step reaction with 2 steps 1.1: N-Bromosuccinimide; potassium carbonate / ethyl acetate / 1.5 h / 20 °C 2.1: n-butyllithium / tetrahydrofuran / 0.75 h / -100 - -80 °C / Inert atmosphere 2.2: -80 - 20 °C / Inert atmosphere View Scheme

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 104-92-7
1-bromo-4-methoxy-benzene

: 1,2-dimethyl-5-(4-methoxyphenyl)-1H-imidazole

Conditions

Conditions	Yield
With C27H22N4O2Pd; potassium acetate In N,N-dimethyl acetamide at 140℃; for 18h; Catalytic behavior; Schlenk technique; Inert atmosphere;	100%
With palladium diacetate; potassium carbonate; tricyclohexylphosphine; Trimethylacetic acid In N,N-dimethyl-formamide at 180℃; for 0.5h; Inert atmosphere; Microwave irradiation;	85%
With C24H22ClN3OPdSe; potassium carbonate; Trimethylacetic acid In dimethyl amine at 110℃; for 10h; Reagent/catalyst; regioselective reaction;	84%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 108912-09-0
3-(4-bromomethyl-phenyl)thiophene

: 2,3-dimethyl-1-(4-thien-3-ylbenzyl)-1H-imidazol-3-ium bromide

Conditions

Conditions	Yield
In toluene for 3h; Heating;	100%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 111-83-1
1-bromo-octane

: 1,2-dimethyl-3-octyl-1H-imidazol-3-ium bromide

Conditions

Conditions	Yield
at 140℃; for 0.666667h;	100%
In neat (no solvent) at 60℃; for 24h; Inert atmosphere;	100%
at 90℃; for 48h;	88%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 1633-83-6
1,4-butane sultone

: 1088461-53-3
1,2-dimethyl-3-(4-sulfonatobutyl)-1H-imidazol-3-ium

Conditions

Conditions	Yield
at 40℃; for 10h;	100%
In ethanol at 20℃; for 48h;	95%
In ethanol at 25℃; for 48h;	95%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 99-90-1
para-bromoacetophenone

: 1201005-37-9
1-(4-(1,2-dimethyl-1H-imidazol-5-yl)phenyl)ethan-1-one

Conditions

Conditions	Yield
With C27H22N4O2Pd; potassium acetate In N,N-dimethyl acetamide at 140℃; for 18h; Catalytic behavior; Reagent/catalyst; Solvent; Temperature; Schlenk technique; Inert atmosphere;	100%
With C24H22ClN3OPdSe; potassium carbonate; Trimethylacetic acid In dimethyl amine at 110℃; for 10h; Reagent/catalyst; regioselective reaction;	97%
With C28H24FN2O3PPd; potassium acetate In dimethyl amine at 140℃; for 18h; Catalytic behavior; Reagent/catalyst;	96%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 143-15-7
1-dodecylbromide

: 61546-10-9
1-dodecyl-2,3-dimethylimidazol-1-ium bromide

Conditions

Conditions	Yield
In neat (no solvent) at 60℃; for 24h; Inert atmosphere;	100%
at 20℃; Inert atmosphere;	90%
at 140℃; for 0.133333h; Microwave irradiation; Neat (no solvent);

: 861959-09-3
(S)-benzyl 1-bromo-2-propyl ether

: 1739-84-0
1,2-dimethyl-1H-imidazole

: (S)-1-(2-benzyloxypropyl)-2,3-dimethylimidazolium bromide

Conditions

Conditions	Yield
In toluene Reflux;	100%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: C114H72Br12O24

: C174H168N24O24(12+)*12Br(1-)

Conditions

Conditions	Yield
In chloroform for 48h; Reflux;	100%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 106354-46-5, 287183-78-2
[PdPh(μ-O2CMe)(PPh3)]2

: [(phenyl)Pd(triphenylphosphine)(OAc)(1,2-dimethyl-1H-imidazole)]

Conditions

Conditions	Yield
In benzene at 20℃;	100%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 762-70-9
2-chloroethanesulfonyl fluoride

: C7H12FN2O2S(1+)*Cl(1-)

Conditions

Conditions	Yield
In ethyl acetate at 20℃; for 2h; Menshutkin Reaction;	100%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 107-31-3
Methyl formate

: 878492-91-2
1,2,3-trimethylimidazolium formate

Conditions

Conditions	Yield
In methanol at 140℃; under 22502.3 Torr; for 18h;	99%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 26127-08-2
(1R,2S,5R)-1-(chloromethoxy)-2-isopropyl-5-methylcyclohexane

: 1-[(1R,2S,5R)-(-)-menthoxymethyl]-2,3-dimethylimidazolium chloride

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 20℃; for 0.5h; Menschutkin reaction;	99%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 573658-67-0
(tetrakis(3,5-bis[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]benzyl) 4,4',4'', 4'''-[[10-(2-[phenylethynyl]phenyl)porphyrin-5,15-diyl]bis[benzene-2,1,3-triylbis(oxy)]]tetrabutanoate(2-))iron(II)

: (tetrakis(3,5-bis[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]benzyl) 4,4',4'', 4'''-[[10-(2-[phenylethynyl]phenyl)porphyrin-5,15-diyl]bis[benzene-2,1,3-triylbis(oxy)]]tetrabutanoate(2-))(1,2-dimethyl-1H-imidazole)iron(II)

Conditions

Conditions	Yield
In toluene (N2); not isolated, detected by UV-vis;	99%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 573658-66-9
(tetrakis(3,5-bis[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]benzyl) 4,4',4'', 4'''-[[10-(2-[[3-hydroxyphenyl]ethynyl]phenyl)porphyrin-5,15-diyl]bis[benzene-2,1,3-triylbis(oxy)]]tetrabutanoate(2-))iron(II)

: 849726-41-6
(tetrakis(3,5-bis[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]benzyl) 4,4',4'', 4'''-[[10-(2-[[3-hydroxphenyl]ethynyl]phenyl)porphyrin-5,15-diyl]bis[benzene-2,1,3-triylbis(oxy)]]tetrabutanoate(2-))(1,2-dimethyl-1H-imidazole)iron(II)

Conditions

Conditions	Yield
In toluene (N2); not isolated, detected by UV-vis;	99%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 573658-65-8
(tetrakis(3,5-bis[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]benzyl) 4,4',4'', 4'''-[[10-(2-[[3-(hydroxymethyl)phenyl]ethynyl]phenyl)porphyrin-5,15-diyl]bis[benzene-2,1,3-triylbis(oxy)]]tetrabutanoate(2-))iron(II)

: 849726-42-7
(tetrakis(3,5-bis[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]benzyl) 4,4',4'', 4'''-[[10-(2-[[3-(hydroxymethyl)phenyl]ethynyl]phenyl)porphyrin-5,15-diyl]bis[benzene-2,1,3-triylbis(oxy)]]tetrabutanoate(2-))(1,2-dimethyl-1H-imidazole)iron(II)

Conditions

Conditions	Yield
In toluene (N2); not isolated, detected by UV-vis;	99%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 573658-63-6
(tetrakis(3,5-bis[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]benzyl) 4,4',4'', 4'''-[[10-(2-[[3-(aminocarbonyl)phenyl]ethynyl]phenyl)porphyrin-5,15-diyl]bis[benzene-2,1,3-triylbis(oxy)]]tetrabutanoate(2-))iron(II)

: 849726-40-5
(tetrakis(3,5-bis[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]benzyl) 4,4',4'', 4'''-[[10-(2-[[3-(aminocarbonyl)phenyl]ethynyl]phenyl)porphyrin-5,15-diyl]bis[benzene-2,1,3-triylbis(oxy)]]tetrabutanoate(2-))(1,2-dimethyl-1H-imidazole)iron(II)

Conditions

Conditions	Yield
In toluene (N2); not isolated, detected by UV-vis;	99%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 573658-64-7
(tetrakis(3,5-bis[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]benzyl) 4,4',4'', 4'''-[[10-(2-[[3-(aminosulfonyl)phenyl]ethynyl]phenyl)porphyrin-5,15-diyl]bis[benzene-2,1,3-triylbis(oxy)]]tetrabutanoate(2-))iron(II)

: (tetrakis(3,5-bis[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]benzyl) 4,4',4'', 4'''-[[10-(2-[[3-(aminosulfonyl)phenyl]ethynyl]phenyl)porphyrin-5,15-diyl]bis[benzene-2,1,3-triylbis(oxy)]]tetrabutanoate(2-))(1,2-dimethyl-1H-imidazole)iron(II)

Conditions

Conditions	Yield
In toluene (N2); not isolated, detected by UV-vis;	99%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 1122-91-4
4-bromo-benzaldehyde

: 1201005-45-9
4-(1,2-dimethyl-1H-imidazol-5-yl)benzaldehyde

Conditions

Conditions	Yield
With C68H65Cl2N3Pd; potassium carbonate; Trimethylacetic acid In N,N-dimethyl acetamide at 130℃; for 12h; Reagent/catalyst; regioselective reaction;	99%
With C40H40Cl3N3Pd; oxygen; potassium carbonate; Trimethylacetic acid In N,N-dimethyl acetamide at 130℃; under 760.051 Torr; for 12h; regioselective reaction;	98%
With potassium carbonate In glycerol at 130℃; for 17h; Catalytic behavior; Temperature; Reagent/catalyst; Solvent; Green chemistry; regioselective reaction;	95%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 501693-50-1
1,2-dimethylimidazolium nitrate

Conditions

Conditions	Yield
With nitric acid In ethanol; water at 40℃; for 10h;	99%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 110-56-5
1,4-dichlorobutane

: 1,4-bis(1,2-dimethylimidazolium-3-yl)butane dichloride

Conditions

Conditions	Yield
In chloroform at 60℃; under 14251400 Torr; for 24h; Kinetics; Pressure; Time; Menshutkin Reaction; High pressure; Autoclave;	99%
In isopropyl alcohol for 16h; Reflux;	60%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 766-11-0
5-bromo-2-fluoropyridine

: 5-(1,2-dimethyl-1H-imidazol-5-yl)-2-fluoropyridine

Conditions

Conditions	Yield
With C68H65Cl2N3Pd; potassium carbonate; Trimethylacetic acid In N,N-dimethyl acetamide at 130℃; for 12h; regioselective reaction;	99%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 3140-73-6
2-chloro-4,6-dimethoxy-1 ,3,5-triazine

: 3-(4,6-dimethoxy-1,3,5-triazin-2-yl)-1,2-dimethyl-1H-imidazol-3-ium chloride

Conditions

Conditions	Yield
In tetrahydrofuran at 20℃; for 2h;	99%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 142-28-9
1,3-Dichloropropane

: 1,3-bis(1,2-dimethylimidazolium-3-yl)propane dichloride

Conditions

Conditions	Yield
In chloroform at 60℃; under 14251400 Torr; for 24h; Kinetics; Pressure; Time; Menshutkin Reaction; High pressure; Autoclave;	99%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 74-88-4
methyl iodide

: 36432-31-2
1,2,3-trimethylimidazolium iodide

Conditions

Conditions	Yield
In acetonitrile at 40℃; for 2h; Schlenk technique; Inert atmosphere;	98%
In diethyl ether at 20℃; for 72h;	97%
In diethyl ether at 20℃;	93%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 90-11-9
1-Bromonaphthalene

: 1,2-dimethyl-5-(naphthalen-1-yl)-1H-imidazole

Conditions

Conditions	Yield
With C40H40Cl3N3Pd; oxygen; potassium carbonate; Trimethylacetic acid In N,N-dimethyl acetamide at 130℃; under 760.051 Torr; for 12h; regioselective reaction;	98%
With {N,N-(1,2-diphenylethane-1,2-diylidene)bis(2-benzhydryl-4,6-dimthylaniline)}dichloropalladium; potassium carbonate; Trimethylacetic acid In N,N-dimethyl acetamide at 130℃; for 12h; Catalytic behavior;	97%
With C24H22ClN3OPdSe; potassium carbonate; Trimethylacetic acid In dimethyl amine at 110℃; for 10h; Reagent/catalyst; regioselective reaction;	89%

: (1S,3R,4S,6R)-3,4-Bis-(tert-butyl-dimethyl-silanyloxy)-7-oxa-bicyclo[4.1.0]heptane

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 4,5-bis-(tert-butyl-dimethyl-silanyloxy)-2-(1-methyl-1H-imidazol-2-ylmethyl)-cyclohexanol

Conditions

Conditions	Yield
With n-butyllithium; (1R,2S)-N-methyl-1-phenyl-2-(1-pyrrolidinyl)-1-propanamine In tetrahydrofuran; hexane at 0 - 20℃; for 64h;	98%

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 627-18-9
1-bromo-3-propanol

: 1-(3'-hydroxypropyl)-2,3-dimethylimidazolium bromide

Conditions

Conditions	Yield
at 70℃; for 2h;	98%
In acetonitrile at 80 - 90℃; for 24h;

: 1739-84-0
1,2-dimethyl-1H-imidazole

: 107-07-3
2-chloro-ethanol

: 1-(2-hydroxyethyl)-2,3-dimethylimidazol-3-ium chloride

Conditions

Conditions	Yield
In toluene at 70℃; for 81h; Reflux;	98%
In toluene at 70℃; for 81h; Reflux;	98%
at 120℃; for 24h;	88%

1,2-Dimethylimidazole Chemical Properties

MS:

MF: C₅H₈N₂

Density: 1.084

MW: 96.13

Mp: 29-30°C

Bp: 204°C

1,2-Dimethylimidazole Toxicity Data With Reference

1,2-Dimethylimidazole is harmful if swallowed and is irritating to skin.

Besides, 1,2-Dimethylimidazole is risk of serious damage to the eyes.

1,2-Dimethylimidazole Safety Profile

Avoid 1,2-Dimethylimidazole contact with skin. In case of 1,2-Dimethylimidazole contact with eyes, rinse immediately with plenty of water and seek medical advice.

Hazard Codes：Xi,Xn
WGK Germany:2
RIDADR:UN 3263 8/PG 2
HazardClass:8
HS Code:29332990
RTECS:NI4838854

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Product Name

1,2-Dimethylimidazole

Synthetic route

1,2-Dimethylimidazole Chemical Properties

1,2-Dimethylimidazole Safety Profile

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