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Cas:598-94-7
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1,1-DimethylureaAppearance:detailed see specifications Storage:Keep away of light, cool place Package:25kg/drum;200kg/drum Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyes
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Conditions | Yield |
---|---|
In ethanol for 2h; Heating; | 97% |
Conditions | Yield |
---|---|
With [OsCl2(η6-p-cymene)(PMe2OH)]; water at 40℃; for 0.5h; Catalytic behavior; Mechanism; Reagent/catalyst; Temperature; Concentration; Inert atmosphere; Sealed tube; | 92% |
With potassium hydroxide | |
With sulfuric acid |
Conditions | Yield |
---|---|
With hydrogenchloride In water at 20℃; for 12h; Inert atmosphere; | 91% |
With para-dodecylbenzenesulfonic acid In neat (no solvent) at 80℃; for 0.75h; Green chemistry; | 83% |
With sulfuric acid |
Conditions | Yield |
---|---|
In acetone at 20℃; for 2h; Inert atmosphere; Schlenk technique; | A 88% B 75% |
Conditions | Yield |
---|---|
With cholin chloride ZnCl2; iron oxide at 130℃; for 6h; Green chemistry; | 73% |
With Iron(III) nitrate nonahydrate In toluene for 16h; Reflux; |
2-aminopyrazine-3-carboxamide oxime
N,N-dimethyl-formamide dimethyl acetal
A
1,1-Dimethylurea
B
2-Cyano-3-<(dimethylaminomethylene)amino>pyrazine
Conditions | Yield |
---|---|
at 75℃; for 0.0833333h; | A 12% B 66% |
at 75℃; for 0.0833333h; | A 12% B 66% |
N,N-dimethyl-formamide dimethyl acetal
2-(benzoylamino)pyridine-3-carboxamide oxime
A
1,1-Dimethylurea
B
2-(benzoylamino)-3-cyanopyridine
Conditions | Yield |
---|---|
In chloroform for 2h; Product distribution; Heating; | A 7% B 66% |
2,3,3,3-tetrachloro-2-<amino>propionitrile
1,1-Dimethylurea
Conditions | Yield |
---|---|
With sodium hydrogencarbonate for 1h; Heating; | 39% |
2-aminopyrazine-3-carboxamide oxime
N,N-dimethyl-formamide dimethyl acetal
A
1,1-Dimethylurea
B
3-formylamino-1H-pyrazolo(3,4-b)pyrazine
C
2-Cyano-3-<(dimethylaminomethylene)amino>pyrazine
Conditions | Yield |
---|---|
In toluene for 3h; Heating; | A 8% B 36% C 14% |
In toluene for 6h; Product distribution; Heating; other times and temp.; | A 10% B 35% C 28% |
N,N-dimethyl N'-(dimethyl-4,6 pyridyl-2)-2 phenyl-1 vinyluree
1,1-Dimethylurea
Conditions | Yield |
---|---|
hydrolysis; | 11% |
N,N,O-trimethyl-isourea
1,1-Dimethylurea
Conditions | Yield |
---|---|
With hydrogenchloride | |
With water |
Conditions | Yield |
---|---|
photochemische Zersetzung; |
O-methyl N,N-dimethylthiocarbamate
1,1-Dimethylurea
Conditions | Yield |
---|---|
With methanol; ammonia at 100℃; |
Conditions | Yield |
---|---|
beim Stehen; |
Conditions | Yield |
---|---|
at 130 - 140℃; | |
With water at 130 - 140℃; | |
With ethanol at 130 - 140℃; |
Conditions | Yield |
---|---|
With water |
Conditions | Yield |
---|---|
at 100℃; | |
at 120℃; |
Conditions | Yield |
---|---|
With water at 100℃; | |
With ethanol at 120℃; | |
at 100℃; | |
at 120℃; |
Conditions | Yield |
---|---|
at 160 - 170℃; |
N,N-dimethyl-formamide
1,1-Dimethylurea
Conditions | Yield |
---|---|
(i) POCl3, (ii) NH2OH; Multistep reaction; |
2,4-lutidine
benzonitrile
N,N-Dimethylcarbamoyl chloride
A
1,1-Dimethylurea
B
2,4,6-triphenyl-1,3,5-triazine
C
methyl-4 phenyl-7 6H naphtyridin-1,6 one-5
Conditions | Yield |
---|---|
With lithium 1.) diethyl ether, reflux, 1 h, 2.) ether, reflux, 2.5 h, 3.) ether; Yield given. Multistep reaction. Yields of byproduct given; |
urea
N,N-dimethylformamide diethyl diacetal
A
1,1-Dimethylurea
B
N-Aminocarbonyl-N',N'-dimethyl-formamidin
C
1,1-dimethyl-3-dimethylaminomethyleneurea
Conditions | Yield |
---|---|
at 85℃; for 3h; Yield given. Yields of byproduct given; |
urea
N,N-dimethylacetamide diethyl acetal
A
4,6-Dimethyl-sym-triazin-2-one
B
1,1-Dimethylurea
C
4-Dimethylamino-6-methylpyrimidin-2-one
Conditions | Yield |
---|---|
for 3h; Heating; Yield given; | A n/a B n/a C 0.21 g |
for 3h; Heating; Yields of byproduct given; | A n/a B n/a C 0.21 g |
urea
N,N-dimethylacetamide diethyl acetal
A
4,6-Dimethyl-sym-triazin-2-one
B
1,1-Dimethylurea
C
N-Carbamoyl-N',N'-dimethylaminoacetamidine
Conditions | Yield |
---|---|
In ethanol at 35 - 40℃; for 0.05h; Yield given; |
3,5-dimethyl-1,3,5-oxadiazane-2,4,6-trione
1,1-Dimethylurea
1,3-dimethyl-5-hydroxyhydantoin-5-carboxamide
A
1,1-Dimethylurea
B
acetonedicarboxylic acid
1,1-Dimethylurea
phenylacetylene
1,1-dimethyl-3-[(Z)-2-phenylvinyl]urea
Conditions | Yield |
---|---|
With [bis(2-methylallyl)cycloocta-1,5-diene]ruthenium(II); 1,4-bis(dicyclohexylphosphino)butane; ytterbium(III) triflate In water; N,N-dimethyl-formamide at 60℃; for 6h; Inert atmosphere; optical yield given as %de; stereoselective reaction; | 99% |
With [bis(2-methylallyl)cycloocta-1,5-diene]ruthenium(II); 1,4-bis(dicyclohexylphosphino)butane; water; ytterbium(III) triflate In N,N-dimethyl-formamide at 60℃; for 6h; anti-Markovnikov hydroamidation; Inert atmosphere; optical yield given as %de; stereoselective reaction; | 46% |
1,1-Dimethylurea
4-methyl-benzoyl chloride
1,1-Dimethyl-3,3-bis-(4-methyl-benzoyl)-urea
Conditions | Yield |
---|---|
In pyridine for 24h; Ambient temperature; | 98% |
1,1-Dimethylurea
4-chloro-benzoyl chloride
1,1-Bis-(4-chloro-benzoyl)-3,3-dimethyl-urea
Conditions | Yield |
---|---|
In pyridine for 24h; Ambient temperature; | 98% |
1,1-Dimethylurea
4-methoxy-benzoyl chloride
1,1-Bis-(4-methoxy-benzoyl)-3,3-dimethyl-urea
Conditions | Yield |
---|---|
In pyridine for 24h; Ambient temperature; | 97% |
Conditions | Yield |
---|---|
In chloroform | 96.7% |
N-methylene-tert-butylamine
1,1-Dimethylurea
3-{[tert-Butyl-(3,3-dimethyl-ureidomethyl)-amino]-methyl}-1,1-dimethyl-urea
Conditions | Yield |
---|---|
for 4h; Heating; | 95% |
1,1-Dimethylurea
2,2,3,3-tetramethylcyclopropanecarbonyl chloride
Conditions | Yield |
---|---|
In acetonitrile for 2h; Heating; | 95% |
1,1-Dimethylurea
Conditions | Yield |
---|---|
In acetone stirring for 30 min at 30°C; cooling in ice; decanting; addn. of diethyl ether to soln.; drying the oily ppt. by vac. evapn.; redissolving in acetone; filtration; addn. of diethyl ether; cooling (0°C, 3 d); filtration; washing (diethyl ether); air-drying; elem. anal.; | 90% |
1,1-Dimethylurea
1-benzyl-3,5-dichloro-6-methylpyrazin-2(1H)-one
Conditions | Yield |
---|---|
With palladium diacetate; caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,2-dimethoxyethane at 80 - 100℃; Microwave irradiation; | 90% |
Conditions | Yield |
---|---|
With Selectfluor; lithium iodide In dichloromethane at 80℃; for 16h; diastereoselective reaction; | 90% |
Conditions | Yield |
---|---|
Stage #1: 1,1-Dimethylurea With sodium hydride In dimethyl sulfoxide; mineral oil at 20℃; Inert atmosphere; Stage #2: acridine In dimethyl sulfoxide; mineral oil at 20℃; for 24h; Inert atmosphere; | 89% |
Conditions | Yield |
---|---|
In ethanol for 0.1h; Sonication; | 89% |
1,1-Dimethylurea
tri-O-(tert-butyldimethylsilyl)-D-glucal
1,1-dimethyl-3-[3,4,6-tris(O-tert-butyldimethylsilyl)-2-deoxy-2-iodo-α-D-mannopyranosyl]urea
Conditions | Yield |
---|---|
With N-iodo-succinimide In propiononitrile at -78 - 20℃; for 56h; Inert atmosphere; | 88% |
Conditions | Yield |
---|---|
In ethanol for 0.1h; Sonication; | 88% |
Conditions | Yield |
---|---|
In pyridine for 24h; Ambient temperature; | 86% |
1,1-Dimethylurea
2-nitrobenzyl chloride
1,1-Dimethyl-3,3-bis-(2-nitro-benzoyl)-urea
Conditions | Yield |
---|---|
In pyridine for 24h; Ambient temperature; | 86% |
Conditions | Yield |
---|---|
In acetonitrile Ambient temperature; | 86% |
trifluoromethanesulfonatopentaamminecobalt(III) trifluoromethanesulfonate
1,1-Dimethylurea
Conditions | Yield |
---|---|
In water; acetone to N,N-dimethylurea in acetone (Co(NH3)5OSO2CF3)(CF3SO3)2 added and mixt. warmed (60°C) for 10 min, cooled to room temp. and poured intoEt2O, mixt. stirred for 10 min, residue redissolved in ice water and added to aq. soln. Na2S2O6; mixt. cooled (<5°C) for 15 min, crystals collected, washed with ice water, ethanol and ether and dried over P2O5; elem. anal.; | 86% |
In acetone Co-complex added to a soln. of urea; mixture warmed at 60°C for 15 min;; poured into butan-2-ol, ether added, stirred, solid dissolved in ice-water, filtered, treated with aq. Na2S2O6 at 20°C; cooled and stirred, crystals washed with ice-water, EtOH, ether, air-dried;; | 85% |
1,1-Dimethylurea
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane at 100℃; Concentration; Inert atmosphere; | 86% |
Conditions | Yield |
---|---|
In ethanol dissolving of uranium salt in a mixture of EtOH/triethylorthoformate, heating at 323 K for 90 min with stirring, addn. of urea, further heating for 90 min; cooling to room temp., filtn., addn. of ether to the filtrate with stirring, filtn., washing with ether, drying under N2, elem. anal.; | 85% |
1,1-Dimethylurea
chloro(chlorosulfanyl)methanone
5-(N,N-dimethylamino)-1,3,4-oxathiadiazol-2-one
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 20h; | 84% |
In acetonitrile for 1h; | 74.5% |
In acetonitrile at 20℃; | 70% |
In methanol; hexane; dichloromethane; acetonitrile |
Conditions | Yield |
---|---|
With Selectfluor; lithium iodide In dichloromethane at 80℃; for 16h; regioselective reaction; | 84% |
1,1-Dimethylurea
2,4,6-Trinitrophenol
picric acid ; picrate of N,N-dimethyl-urea
Conditions | Yield |
---|---|
83% |
Conditions | Yield |
---|---|
In methanol | 83% |
1,1-Dimethylurea
3-oxo-3H-spiro[isobenzofuran-1,9′-xanthene]-3′,6′-diyl bis(trifluoromethanesulfonate)
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane at 100℃; for 18h; Buchwald-Hartwig cross coupling; Inert atmosphere; | 83% |
1,1-Dimethylurea
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In 5,5-dimethyl-1,3-cyclohexadiene Reflux; | 83% |
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