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Methylurea Basic information Product Name: Methylurea Synonyms: N-METHYLUREA;MONOMETHYLUREA;CH3NHCONH2;methylcarbamide;methylharnstoff;Methylmocovina;methyl-ure;Methyturea
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inquiryAppearance White Powder CAS No 598-50-5 Application Pharm Intermediates Boiling point 131.34°C (rough estimate) MF C2H6N2O
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inquirySuperior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediates Tr
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Methylurea Chemical Properties Melting point ~93 °C Boiling point 131.34°C (rough estimate) density 1.2040 refractive index 1.4264 (estimate) storage temp. Store below +30°C. solubility 1000g/l (Lit.) pka 14.38&
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Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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inquiryConditions | Yield |
---|---|
With ammonium hydroxide In water at 0 - 20℃; for 3.5h; | 99% |
With diethyl ether; ammonia | |
With ammonia at 45℃; |
Conditions | Yield |
---|---|
With ammonia In water at 65℃; | A n/a B 96% |
N-methyl-thiocarbamic acid S-methyl ester
N-Methylurea
Conditions | Yield |
---|---|
With ammonium hydroxide In 1,4-dioxane | 96% |
With ammonium hydroxide In 1,4-dioxane at 65℃; for 3h; |
Conditions | Yield |
---|---|
In water for 0.5h; Heating; | 90% |
1,5-dimethyl-3-(3,4,5-trimethoxyphenyl)-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one
A
1-methyl-5,6-dioxo-3-(3,4,5-trimethoxyphenyl)-1,4,5,6-tetrahydro-1,2,4-triazine
B
N-Methylurea
Conditions | Yield |
---|---|
Stage #1: 1,5-dimethyl-3-(3,4,5-trimethoxyphenyl)-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one With ethanol; sodium hydroxide Reflux; Stage #2: With hydrogenchloride In ethanol; water pH=7; Cooling with ice; | A 89% B n/a |
Conditions | Yield |
---|---|
With tetrabutylammonium periodite In dichloromethane; acetonitrile at 20℃; for 0.583333h; | 88% |
With sodium bromate at 25℃; Rate constant; Mechanism; various stoichiometry; also in the presence of acid; |
1,5-dimethyl-3-p-tolyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one
A
1-methyl-5,6-dioxo-3-p-tolyl-1,4,5,6-tetrahydro-1,2,4-triazine
B
N-Methylurea
Conditions | Yield |
---|---|
Stage #1: 1,5-dimethyl-3-p-tolyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one With ethanol; sodium hydroxide Reflux; Stage #2: With hydrogenchloride In ethanol; water pH=7; Cooling with ice; | A 87% B n/a |
B
N-Methylurea
Conditions | Yield |
---|---|
Stage #1: 3-(4-bromophenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one With ethanol; sodium hydroxide Reflux; Stage #2: With hydrogenchloride In ethanol; water pH=7; Cooling with ice; | A 86% B n/a |
1,5-dimethyl-3-phenyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one
B
N-Methylurea
Conditions | Yield |
---|---|
Stage #1: 1,5-dimethyl-3-phenyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one With ethanol; sodium hydroxide Reflux; Stage #2: With hydrogenchloride In ethanol; water pH=7; Cooling with ice; | A 84% B 16 mg |
3-(4-chlorophenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one
B
N-Methylurea
Conditions | Yield |
---|---|
Stage #1: 3-(4-chlorophenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one With ethanol; sodium hydroxide Reflux; Stage #2: With hydrogenchloride In ethanol; water pH=7; Cooling with ice; | A 83% B 20 mg |
3-(4-methoxyphenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one
A
3-(4-methoxyphenyl)-1-methyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine
B
N-Methylurea
Conditions | Yield |
---|---|
Stage #1: 3-(4-methoxyphenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one With ethanol; sodium hydroxide Reflux; Stage #2: With hydrogenchloride In ethanol; water pH=7; Cooling with ice; | A 83% B n/a |
Conditions | Yield |
---|---|
With hydrogenchloride In water at 20℃; for 5h; Inert atmosphere; | 78% |
With N,N,N',N'-tetramethylguanidinium acetate In water at 60℃; for 0.5h; |
B
N-Methylurea
Conditions | Yield |
---|---|
Stage #1: 3-(3,4-dimethoxyphenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one With ethanol; sodium hydroxide Reflux; Stage #2: With hydrogenchloride In ethanol; water pH=7; Cooling with ice; | A 78% B n/a |
3-(4-hydroxyphenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one
B
N-Methylurea
Conditions | Yield |
---|---|
Stage #1: 3-(4-hydroxyphenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one With ethanol; sodium hydroxide Reflux; Stage #2: With hydrogenchloride In ethanol; water pH=7; Cooling with ice; | A 76% B n/a |
3-(4-fluorophenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one
B
N-Methylurea
Conditions | Yield |
---|---|
Stage #1: 3-(4-fluorophenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one With ethanol; sodium hydroxide Reflux; Stage #2: With hydrogenchloride In ethanol; water pH=7; Cooling with ice; | A 72% B n/a |
pyrrolidine
1-methyl-5-nitro-1H-pyrimidin-2-one
A
1-pyrrolidinecarboxaldehyde
C
N-Methylurea
Conditions | Yield |
---|---|
In chloroform at 20℃; for 168h; | A 41 %Spectr. B 68% C 29 %Spectr. |
theobromuric acid
A
1-methylparabanic acid
B
ω.ω'-Dimethyl-carbonyldiharnstoff
C
oxalic acid
D
N-Methylurea
Conditions | Yield |
---|---|
With hydrogenchloride | A n/a B 50% C n/a D n/a |
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide; Carbonate buffer In ethanol at 35℃; Irradiation; | A 41.5% B n/a |
1,3,5-trimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one
B
N-Methylurea
Conditions | Yield |
---|---|
Stage #1: 1,3,5-trimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one With ethanol; sodium hydroxide Reflux; Stage #2: With hydrogenchloride In ethanol; water pH=7; Cooling with ice; | A 41% B n/a |
1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one
B
N-Methylurea
Conditions | Yield |
---|---|
Stage #1: 1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one With ethanol; sodium hydroxide Reflux; Stage #2: With hydrogenchloride In ethanol; water pH=7; Cooling with ice; | A 36% B n/a |
(4S,6S)-5,5-Diallyl-4,6-dihydroxy-1-methyl-tetrahydro-pyrimidin-2-one
B
2,2-Diallyl-3-(3-methylureido)-1-propanol
C
N-Methylurea
Conditions | Yield |
---|---|
With sodium tetrahydroborate In 1,4-dioxane; water for 4h; | A n/a B 25% C n/a |
Conditions | Yield |
---|---|
With alkali | |
With barytes | |
With water |
1-methyl-2,5-dioxo-imidazolidine-4-carboxylic acid methylamide
A
oxalic acid
B
methylamine
C
N-Methylurea
Conditions | Yield |
---|---|
With nitric acid Erhitzen zum Sieden; | |
With potassium hydroxide at 25℃; Rate constant; |
(Methylcarbamoyl)azid
N-Methylurea
Conditions | Yield |
---|---|
With ammonia |
3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
A
1,3-dimethylalloxan
B
N-Methylurea
Conditions | Yield |
---|---|
With chloramine-B In hydrogenchloride at 29.9℃; Kinetics; Mechanism; Thermodynamic data; it was investigated the effect of concentration of reactants, ionic strength, temperature.; | |
With hydrogenchloride; potassium chlorate at 50℃; | |
With hydrogenchloride; N-bromo-p-toluenesulfonamide at 14.85℃; Kinetics; Further Variations:; pH-values; Reagents; Solvents; Temperatures; Oxidation; | |
With hydrogenchloride; sodium perchlorate; bromamine B at 14.85℃; Kinetics; Oxidation; |
Conditions | Yield |
---|---|
With carbon dioxide; water; lead dioxide |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 5h; | 100% |
With hydrogenchloride; ethanol | |
With toluene-4-sulfonic acid In toluene for 3h; Condensation; Heating; | |
In acetonitrile at 20℃; for 1.5h; |
2-bromobenzoic acid methyl ester
N-Methylurea
3-methyl-2,4(1H,3H)-quinazolinedione
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 48h; | 99% |
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 24h; | 61% |
Conditions | Yield |
---|---|
Stage #1: N-Methylurea With sodium ethanolate In ethanol at 20℃; Reflux; Stage #2: ethyl 2-cyanoacetate In ethanol for 5h; Reagent/catalyst; Solvent; | 98.2% |
With sodium ethanolate In ethanol for 6h; Heating; | 95% |
Stage #1: ethyl 2-cyanoacetate With sodium ethanolate at 20℃; for 0.333333h; Stage #2: N-Methylurea for 3h; Reflux; Stage #3: With sulfuric acid In water for 2h; pH=7; | 95% |
Conditions | Yield |
---|---|
With sodium methylate In methanol at 66℃; for 24h; Solvent; Reagent/catalyst; Temperature; | 98.1% |
With sodium hydroxide In propan-1-ol for 8h; Reflux; | 91.2% |
ethyl acetoacetate
benzaldehyde
N-Methylurea
ethyl 1,6-dimethyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate
Conditions | Yield |
---|---|
With brominated Amberlyst 15 In acetonitrile for 1h; Biginelli Pyrimidone Synthesis; Reflux; | 98% |
With polyphosphate ester In tetrahydrofuran for 15h; Heating; | 95% |
With myo-inositol 1,2,3,4,5,6-hexakisphosphate In neat (no solvent) at 100℃; for 0.6h; Biginelli Pyrimidone Synthesis; Green chemistry; | 94% |
Conditions | Yield |
---|---|
With chitosan decorated Fe3O4 magnetic nanoparticles In ethanol; water at 60℃; for 0.125h; Green chemistry; | 98% |
at 145℃; | |
With potassium hydroxide | |
at 145℃; |
chloral hydrate
N-Methylurea
N-methyl-N'-(2,2,2-trichloro-1-hydroxyethyl)urea
Conditions | Yield |
---|---|
In water for 48h; Substitution; | 97% |
With water |
Conditions | Yield |
---|---|
In tetrahydrofuran at 22℃; for 2h; | 97% |
N-phenylacetoacetamide
3-methoxy-benzaldehyde
N-Methylurea
4-(3-methoxyphenyl)-1,6-dimethyl-5-(N-phenylcarboxamido)-2-oxo-1,2,3,4-tetrahydropyrimidine
Conditions | Yield |
---|---|
With chloroacetic acid at 90℃; Biginelli reaction; Neat (no solvent); | 97% |
at 120 - 150℃; | 62% |
1,2-bis(4-methoxyphenyl)-1,2-ethanedione
N-Methylurea
5,5-bis-(4-methoxy-phenyl)-3-methyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With chitosan decorated Fe3O4 magnetic nanoparticles In ethanol; water at 60℃; for 0.133333h; Green chemistry; | 97% |
Conditions | Yield |
---|---|
Stage #1: N-Methylurea With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 3h; Inert atmosphere; Stage #2: diethyl dibutylmalonate In N,N-dimethyl-formamide; mineral oil at 0 - 60℃; Inert atmosphere; | 97% |
Conditions | Yield |
---|---|
With silica gel-supported polyphosphoric acid at 120℃; for 0.0833333h; | 96% |
With Indion-130 resin at 110℃; for 0.1h; | 94% |
With sulfanilic acid functionalized silica coated Fe3O4 nanoparticles In neat (no solvent) at 120℃; for 0.166667h; Green chemistry; | 94% |
Conditions | Yield |
---|---|
With hydrogenchloride at 100℃; for 1h; Biginelli condensation; | 96% |
With hydrogenchloride at 100℃; for 1h; Biginelli condensation; | 96% |
benzaldehyde
acetoacetic acid methyl ester
N-Methylurea
methyl 1,6-dimethyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate
Conditions | Yield |
---|---|
With myo-inositol 1,2,3,4,5,6-hexakisphosphate In neat (no solvent) at 100℃; for 0.5h; Biginelli Pyrimidone Synthesis; Green chemistry; | 96% |
With toluene-4-sulfonic acid In methanol for 16h; Reflux; Inert atmosphere; | 90% |
With cerous p-toluenesulfonate tetrahydrate at 80℃; for 0.0833333h; Green chemistry; | 88% |
With yttrium (III) acetate hydrate; acetic acid at 115℃; for 4.5h; Biginelli reaction; | 86% |
With toluene-4-sulfonic acid In ethanol Reflux; Inert atmosphere; |
acetoacetic acid methyl ester
ortho-bromobenzaldehyde
N-Methylurea
5-methoxycarbonyl-1,6-dimethyl-4-(2-bromophenyl)-3,4-dihydropyrimidin-2(1H)-one
Conditions | Yield |
---|---|
With yttrium (III) acetate hydrate; acetic acid at 115℃; for 4.5h; Biginelli reaction; | 96% |
acetic anhydride
anthranilic acid
N-Methylurea
N,2-dimethyl-4-oxoquinazoline-3(4H)-carboxamide
Conditions | Yield |
---|---|
With titanium dioxide nanoparticles at 80℃; for 10h; Neat (no solvent); | 96% |
2-benzyl-2-methylmalonic acid diethyl ester
N-Methylurea
Conditions | Yield |
---|---|
Stage #1: N-Methylurea With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.166667h; Inert atmosphere; Stage #2: 2-benzyl-2-methylmalonic acid diethyl ester In N,N-dimethyl-formamide at 0 - 20℃; for 18h; | 96% |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide In acetonitrile at 70℃; for 8h; Temperature; Solvent; | 96% |
4-hydroxy[1]benzopyran-2-one
orthoformic acid triethyl ester
N-Methylurea
3-methylureidomethylene-4-oxo-coumarin
Conditions | Yield |
---|---|
In isopropyl alcohol for 2h; Heating; | 95% |
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol for 6h; Heating; | 95% |
Conditions | Yield |
---|---|
toluene-4-sulfonic acid at 125℃; for 5h; | 95% |
With Indion-130 resin at 110℃; for 0.166667h; | 91% |
With silica gel-supported polyphosphoric acid at 120℃; for 0.133333h; | 86% |
With barium phosphate In neat (no solvent) at 100℃; for 0.25h; | 77% |
Conditions | Yield |
---|---|
With silica gel-supported polyphosphoric acid at 120℃; for 0.0666667h; | 95% |
With sulfanilic acid functionalized silica coated Fe3O4 nanoparticles In neat (no solvent) at 120℃; for 0.2h; Green chemistry; | 92% |
With Indion-130 resin at 110℃; for 0.2h; | 90% |
toluene-4-sulfonic acid at 125℃; for 6h; | 89% |
With barium phosphate In neat (no solvent) at 100℃; for 0.333333h; | 82% |
C15H5F17O4S
acetoacetic acid methyl ester
N-Methylurea
C22H15F17N2O6S
Conditions | Yield |
---|---|
With ytterbium(III) triflate In acetonitrile at 120℃; for 0.333333h; Biginelli reaction; Microwave irradiation; | 95% |
ethyl acetoacetate
para-Chlorobenzyl alcohol
N-Methylurea
ethyl 4-(4-chlorophenyl)-1,6-dimethyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
Conditions | Yield |
---|---|
Stage #1: para-Chlorobenzyl alcohol With Oxone; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium bromide In neat (no solvent) for 0.5h; Biginelli Pyrimidone Synthesis; Milling; Green chemistry; Stage #2: ethyl acetoacetate; N-Methylurea In neat (no solvent) for 3.5h; Biginelli Pyrimidone Synthesis; Milling; Green chemistry; regioselective reaction; | 95% |
N-Methylurea
Conditions | Yield |
---|---|
With hydrogenchloride In methanol for 20h; Reflux; regioselective reaction; | 95% |
Conditions | Yield |
---|---|
With cerous p-toluenesulfonate tetrahydrate at 80℃; for 0.166667h; Green chemistry; | 95% |
Conditions | Yield |
---|---|
With cerium(III) p-toluenesulfonate tetrahydrate In neat (no solvent) at 80℃; for 1.7h; Biginelli Pyrimidone Synthesis; Green chemistry; | 95% |
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