Products

Refine

Country

Business Type

Certificate

Display

Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

Methylurea Manufacturer/High quality/Best price/In stock

Cas:598-50-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality Methylurea

Cas:598-50-5

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

Methylurea

Cas:598-50-5

Min.Order:1 Gram

Negotiable

Type:Manufacturers

inquiry

Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply Methylurea

Cas:598-50-5

Min.Order:1

Negotiable

Type:Other

inquiry

ANQING CHICO PHARMACEUTICAL CO.,LTD.

High quality. Factory supply. In stock. Best price.1.Quick response within 24 hours;2.Best quality in your requirement;?3.We pay more attention on delivery time, and usually ship on time;4.Under the premise of safety and effectiveness, we can produce

N-methyl urea

Cas:598-50-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

N-Methylurea

Cas:598-50-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Methylurea Basic information Product Name: Methylurea Synonyms: N-METHYLUREA;MONOMETHYLUREA;CH3NHCONH2;methylcarbamide;methylharnstoff;Methylmocovina;methyl-ure;Methyturea

N-Methylurea 598-50-5

Cas:598-50-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

UPS StandardCAS 598-50-5 with best price

Cas:598-50-5

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Appearance White Powder CAS No 598-50-5 Application Pharm Intermediates Boiling point 131.34°C (rough estimate) MF C2H6N2O

Methylurea

Cas:598-50-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Henan Wentao Chemical Product Co., Ltd.

1)quick response within 12 hours; 2)quality guarantee: all products are strictly tested by our qc, confirmed by qa and approved by third party lab in china, usa, canada, germany, uk, italy, france etc. 3) oem/odm available; 4) rea

N-monomethylureaCAS NO.:598-50-5

Cas:598-50-5

Min.Order:1 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Urea, N-methyl- 598-50-5

Cas:598-50-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

MethylureaCAS598-50-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates, ste

MethylureaCAS598-50-5

Cas:598-50-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Urea, N-methyl-

Cas:598-50-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

N-METHYLUREA

Cas:598-50-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

1-Methylurea

Cas:598-50-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

High quality Methylurea

Cas:598-50-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior 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

Urea, N-methyl-

Cas:598-50-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

Methylurea

Cas:598-50-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Methylurea

Cas:598-50-5

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

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&

1-Methylurea

Cas:598-50-5

Min.Order:1 Gram

FOB Price: $66.0

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu

Methylurea

Cas:598-50-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Zhongqi chem Co.,Ltd.

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service an

N-Methylurea

Cas:598-50-5

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

Methylurea

Cas:598-50-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

SAGECHEM/Methylurea/SAGECHEM/Manufacturer in China

Cas:598-50-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

METHYLUREA cas no. 598-50-5 99%%

Cas:598-50-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

1-Methylurea

Cas:598-50-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier

Methylurea

Cas:598-50-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

Methylurea

Cas:598-50-5

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

DB BIOTECH CO., LTD

Q1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you

Methylurea

Cas:598-50-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

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

Acmec Methylurea 1kg

Cas:598-50-5

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

methyl isocyanate
624-83-9

methyl isocyanate

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
With ammonium hydroxide In water at 0 - 20℃; for 3.5h;99%
With diethyl ether; ammonia
With ammonia at 45℃;
N-methyl-thiocarbamic acid S-methyl ester
22013-97-4

N-methyl-thiocarbamic acid S-methyl ester

A

methylthiol
74-93-1

methylthiol

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
With ammonia In water at 65℃;A n/a
B 96%
N-methyl-thiocarbamic acid S-methyl ester
22013-97-4

N-methyl-thiocarbamic acid S-methyl ester

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
With ammonium hydroxide In 1,4-dioxane96%
With ammonium hydroxide In 1,4-dioxane at 65℃; for 3h;
potassium cyanate
590-28-3

potassium cyanate

methylamine hydrochloride
593-51-1

methylamine hydrochloride

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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
1142408-78-3

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
1142408-82-9

1-methyl-5,6-dioxo-3-(3,4,5-trimethoxyphenyl)-1,4,5,6-tetrahydro-1,2,4-triazine

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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
1-(methyl)-thiourea
598-52-7

1-(methyl)-thiourea

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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
1142408-77-2

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
1142408-80-7

1-methyl-5,6-dioxo-3-p-tolyl-1,4,5,6-tetrahydro-1,2,4-triazine

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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
3-(4-bromophenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one

3-(4-bromophenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one

A

3-(4-bromophenyl)-1-methyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

3-(4-bromophenyl)-1-methyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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
61602-19-5

1,5-dimethyl-3-phenyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one

A

1-methyl-5,6-dioxo-3-phenyl-1,4,5,6-tetrahydro-1,2,4-triazine

1-methyl-5,6-dioxo-3-phenyl-1,4,5,6-tetrahydro-1,2,4-triazine

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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
1142408-75-0

3-(4-chlorophenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one

A

3-(4-chlorophenyl)-1-methyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

3-(4-chlorophenyl)-1-methyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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
61602-21-9

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
1142408-81-8

3-(4-methoxyphenyl)-1-methyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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
potassium cyanate
590-28-3

potassium cyanate

methylamine
74-89-5

methylamine

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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;
3-(3,4-dimethoxyphenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one

3-(3,4-dimethoxyphenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one

A

3-(3,4-dimethoxyphenyl)-1-methyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

3-(3,4-dimethoxyphenyl)-1-methyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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
1142408-76-1

3-(4-hydroxyphenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one

A

3-(4-hydroxyphenyl)-1-methyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

3-(4-hydroxyphenyl)-1-methyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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
1142408-74-9

3-(4-fluorophenyl)-1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one

A

3-(4-fluorophenyl)-1-methyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

3-(4-fluorophenyl)-1-methyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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
123-75-1

pyrrolidine

1-methyl-5-nitro-1H-pyrimidin-2-one
17758-39-3

1-methyl-5-nitro-1H-pyrimidin-2-one

A

1-pyrrolidinecarboxaldehyde
3760-54-1

1-pyrrolidinecarboxaldehyde

B

C6H10N2O2

C6H10N2O2

C

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
In chloroform at 20℃; for 168h;A 41 %Spectr.
B 68%
C 29 %Spectr.
theobromuric acid
100422-34-2

theobromuric acid

A

1-methylparabanic acid
3659-97-0

1-methylparabanic acid

B

ω.ω'-Dimethyl-carbonyldiharnstoff
100422-43-3

ω.ω'-Dimethyl-carbonyldiharnstoff

C

oxalic acid
144-62-7

oxalic acid

D

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
With hydrogenchlorideA n/a
B 50%
C n/a
D n/a
mephobarbital
115-38-8

mephobarbital

A

mephenytoin
50-12-4

mephenytoin

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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
1142408-71-6

1,3,5-trimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one

A

1,3-dimethyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

1,3-dimethyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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
106284-73-5

1,5-dimethyl-1H-imidazo[4,5-e][1,2,4]triazin-6(5H)-one

A

1-methyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

1-methyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazine

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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
60782-14-1, 60782-15-2

(4S,6S)-5,5-Diallyl-4,6-dihydroxy-1-methyl-tetrahydro-pyrimidin-2-one

A

2,2-Diallyl-1,3-propanediol

2,2-Diallyl-1,3-propanediol

B

2,2-Diallyl-3-(3-methylureido)-1-propanol
78959-59-8

2,2-Diallyl-3-(3-methylureido)-1-propanol

C

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
With sodium tetrahydroborate In 1,4-dioxane; water for 4h;A n/a
B 25%
C n/a
1-methylparabanic acid
3659-97-0

1-methylparabanic acid

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

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

A

oxalic acid
144-62-7

oxalic acid

B

N-Methylurea
598-50-5

N-Methylurea

1-methylparabanic acid
3659-97-0

1-methylparabanic acid

A

oxalic acid
144-62-7

oxalic acid

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
With alkali
With barytes
With water
1-methyl-2,5-dioxo-imidazolidine-4-carboxylic acid methylamide
861346-33-0

1-methyl-2,5-dioxo-imidazolidine-4-carboxylic acid methylamide

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

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

A

oxalic acid
144-62-7

oxalic acid

B

methylamine
74-89-5

methylamine

C

N-Methylurea
598-50-5

N-Methylurea

theobromine /
83-67-0

theobromine /

A

1-methylalloxan
2757-83-7

1-methylalloxan

B

N-Methylurea
598-50-5

N-Methylurea

N-acetyl-N'-methylurea
623-59-6

N-acetyl-N'-methylurea

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
With nitric acid Erhitzen zum Sieden;
With potassium hydroxide at 25℃; Rate constant;
(Methylcarbamoyl)azid
26891-98-5

(Methylcarbamoyl)azid

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
With ammonia
3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
58-08-2

3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione

A

1,3-dimethylalloxan
2757-85-9

1,3-dimethylalloxan

B

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
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;
1,3,7-trimethyluric acid
5415-44-1

1,3,7-trimethyluric acid

N-Methylurea
598-50-5

N-Methylurea

Conditions
ConditionsYield
With carbon dioxide; water; lead dioxide
benzaldehyde
100-52-7

benzaldehyde

N-Methylurea
598-50-5

N-Methylurea

1,1-(phenylmethylene)bis(3-methylurea)
40848-83-7

1,1-(phenylmethylene)bis(3-methylurea)

Conditions
ConditionsYield
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
610-94-6

2-bromobenzoic acid methyl ester

N-Methylurea
598-50-5

N-Methylurea

3-methyl-2,4(1H,3H)-quinazolinedione
607-19-2

3-methyl-2,4(1H,3H)-quinazolinedione

Conditions
ConditionsYield
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%
ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

N-Methylurea
598-50-5

N-Methylurea

6-amino-1-methyluracil
2434-53-9

6-amino-1-methyluracil

Conditions
ConditionsYield
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%
malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

N-Methylurea
598-50-5

N-Methylurea

1-methyl-2,4,6(1H,3H,5H)-pyrimidinetrione sodium salt

1-methyl-2,4,6(1H,3H,5H)-pyrimidinetrione sodium salt

Conditions
ConditionsYield
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
141-97-9

ethyl acetoacetate

benzaldehyde
100-52-7

benzaldehyde

N-Methylurea
598-50-5

N-Methylurea

ethyl 1,6-dimethyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate
123044-27-9, 50628-42-7

ethyl 1,6-dimethyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate

Conditions
ConditionsYield
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%
benzil
134-81-6

benzil

N-Methylurea
598-50-5

N-Methylurea

3-methyl-5,5-diphenyl-imidazolidine-2,4-dione
4224-00-4

3-methyl-5,5-diphenyl-imidazolidine-2,4-dione

Conditions
ConditionsYield
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
302-17-0

chloral hydrate

N-Methylurea
598-50-5

N-Methylurea

N-methyl-N'-(2,2,2-trichloro-1-hydroxyethyl)urea
1954-79-6

N-methyl-N'-(2,2,2-trichloro-1-hydroxyethyl)urea

Conditions
ConditionsYield
In water for 48h; Substitution;97%
With water
carbonyl diisocyanate
6498-10-8

carbonyl diisocyanate

N-Methylurea
598-50-5

N-Methylurea

1-(4,6-Dioxo-5,6-dihydro-4H-[1,3,5]oxadiazin-2-yl)-3-methyl-urea

1-(4,6-Dioxo-5,6-dihydro-4H-[1,3,5]oxadiazin-2-yl)-3-methyl-urea

Conditions
ConditionsYield
In tetrahydrofuran at 22℃; for 2h;97%
N-phenylacetoacetamide
102-01-2

N-phenylacetoacetamide

3-methoxy-benzaldehyde
591-31-1

3-methoxy-benzaldehyde

N-Methylurea
598-50-5

N-Methylurea

4-(3-methoxyphenyl)-1,6-dimethyl-5-(N-phenylcarboxamido)-2-oxo-1,2,3,4-tetrahydropyrimidine
1255416-25-1

4-(3-methoxyphenyl)-1,6-dimethyl-5-(N-phenylcarboxamido)-2-oxo-1,2,3,4-tetrahydropyrimidine

Conditions
ConditionsYield
With chloroacetic acid at 90℃; Biginelli reaction; Neat (no solvent);97%
at 120 - 150℃;62%
1,2-bis(4-methoxyphenyl)-1,2-ethanedione
1226-42-2

1,2-bis(4-methoxyphenyl)-1,2-ethanedione

N-Methylurea
598-50-5

N-Methylurea

5,5-bis-(4-methoxy-phenyl)-3-methyl-imidazolidine-2,4-dione
66242-67-9

5,5-bis-(4-methoxy-phenyl)-3-methyl-imidazolidine-2,4-dione

Conditions
ConditionsYield
With chitosan decorated Fe3O4 magnetic nanoparticles In ethanol; water at 60℃; for 0.133333h; Green chemistry;97%
diethyl dibutylmalonate
596-75-8

diethyl dibutylmalonate

N-Methylurea
598-50-5

N-Methylurea

C13H22N2O3

C13H22N2O3

Conditions
ConditionsYield
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%
3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

β-naphthol
135-19-3

β-naphthol

N-Methylurea
598-50-5

N-Methylurea

[(3-nitrophenyl)(2-hydroxynaphthalen-1-yl)methyl]-3-methylurea

[(3-nitrophenyl)(2-hydroxynaphthalen-1-yl)methyl]-3-methylurea

Conditions
ConditionsYield
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%
1-[2-(acetoacetyloxy)ethyl]-3-methylimidazolium hexafluorophosphate

1-[2-(acetoacetyloxy)ethyl]-3-methylimidazolium hexafluorophosphate

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

N-Methylurea
598-50-5

N-Methylurea

1-{2-[4-(4-chlorophenyl)-1,6-dimethyl-2-oxo-1,2,3,4-tetrahydropyrimidin-5-ylcarbonyloxy]ethyl}-3-methylimidazolium hexafluorophosphate

1-{2-[4-(4-chlorophenyl)-1,6-dimethyl-2-oxo-1,2,3,4-tetrahydropyrimidin-5-ylcarbonyloxy]ethyl}-3-methylimidazolium hexafluorophosphate

Conditions
ConditionsYield
With hydrogenchloride at 100℃; for 1h; Biginelli condensation;96%
With hydrogenchloride at 100℃; for 1h; Biginelli condensation;96%
benzaldehyde
100-52-7

benzaldehyde

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

N-Methylurea
598-50-5

N-Methylurea

methyl 1,6-dimethyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate
302932-49-6

methyl 1,6-dimethyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate

Conditions
ConditionsYield
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
105-45-3

acetoacetic acid methyl ester

ortho-bromobenzaldehyde
6630-33-7

ortho-bromobenzaldehyde

N-Methylurea
598-50-5

N-Methylurea

5-methoxycarbonyl-1,6-dimethyl-4-(2-bromophenyl)-3,4-dihydropyrimidin-2(1H)-one
923235-54-5

5-methoxycarbonyl-1,6-dimethyl-4-(2-bromophenyl)-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With yttrium (III) acetate hydrate; acetic acid at 115℃; for 4.5h; Biginelli reaction;96%
acetic anhydride
108-24-7

acetic anhydride

anthranilic acid
118-92-3

anthranilic acid

N-Methylurea
598-50-5

N-Methylurea

N,2-dimethyl-4-oxoquinazoline-3(4H)-carboxamide
1377584-86-5

N,2-dimethyl-4-oxoquinazoline-3(4H)-carboxamide

Conditions
ConditionsYield
With titanium dioxide nanoparticles at 80℃; for 10h; Neat (no solvent);96%
2-benzyl-2-methylmalonic acid diethyl ester
55114-30-2

2-benzyl-2-methylmalonic acid diethyl ester

N-Methylurea
598-50-5

N-Methylurea

5-benzyl-1,5-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione

5-benzyl-1,5-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione

Conditions
ConditionsYield
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%
2-bromo-5-methyl-1H imidazole
23328-88-3

2-bromo-5-methyl-1H imidazole

N-Methylurea
598-50-5

N-Methylurea

C6H7BrN4O2

C6H7BrN4O2

Conditions
ConditionsYield
With tert.-butylhydroperoxide In acetonitrile at 70℃; for 8h; Temperature; Solvent;96%
4-hydroxy[1]benzopyran-2-one
1076-38-6

4-hydroxy[1]benzopyran-2-one

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

N-Methylurea
598-50-5

N-Methylurea

3-methylureidomethylene-4-oxo-coumarin
134297-75-9

3-methylureidomethylene-4-oxo-coumarin

Conditions
ConditionsYield
In isopropyl alcohol for 2h; Heating;95%
1-nitro-2-propanone
10230-68-9

1-nitro-2-propanone

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

N-Methylurea
598-50-5

N-Methylurea

1,6-Dimethyl-5-nitro-4-(3,4,5-trimethoxy-phenyl)-3,4-dihydro-1H-pyrimidin-2-one

1,6-Dimethyl-5-nitro-4-(3,4,5-trimethoxy-phenyl)-3,4-dihydro-1H-pyrimidin-2-one

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 6h; Heating;95%
4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

β-naphthol
135-19-3

β-naphthol

N-Methylurea
598-50-5

N-Methylurea

1-[(4-chloro-phenyl)-(2-hydroxy-naphthalen-1-yl)-methyl]-3-methyl-urea

1-[(4-chloro-phenyl)-(2-hydroxy-naphthalen-1-yl)-methyl]-3-methyl-urea

Conditions
ConditionsYield
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%
benzaldehyde
100-52-7

benzaldehyde

β-naphthol
135-19-3

β-naphthol

N-Methylurea
598-50-5

N-Methylurea

1-[(2-hydroxy-naphthalen-1-yl)-phenyl-methyl]-3-methyl-urea

1-[(2-hydroxy-naphthalen-1-yl)-phenyl-methyl]-3-methyl-urea

Conditions
ConditionsYield
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
731857-74-2

C15H5F17O4S

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

N-Methylurea
598-50-5

N-Methylurea

C22H15F17N2O6S
1350738-43-0

C22H15F17N2O6S

Conditions
ConditionsYield
With ytterbium(III) triflate In acetonitrile at 120℃; for 0.333333h; Biginelli reaction; Microwave irradiation;95%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

para-Chlorobenzyl alcohol
873-76-7

para-Chlorobenzyl alcohol

N-Methylurea
598-50-5

N-Methylurea

ethyl 4-(4-chlorophenyl)-1,6-dimethyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
302821-62-1

ethyl 4-(4-chlorophenyl)-1,6-dimethyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate

Conditions
ConditionsYield
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%
4-methoxy-4-phenyl-1,1,1-trifluorobut-3-en-2-one

4-methoxy-4-phenyl-1,1,1-trifluorobut-3-en-2-one

N-Methylurea
598-50-5

N-Methylurea

6-phenyl-4-(trifluoromethyl)-1-methylpyrimidin-2(1H)-one

6-phenyl-4-(trifluoromethyl)-1-methylpyrimidin-2(1H)-one

Conditions
ConditionsYield
With hydrogenchloride In methanol for 20h; Reflux; regioselective reaction;95%
4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

N-Methylurea
598-50-5

N-Methylurea

5-methoxycarbonyl-1,6-dimethyl-4-(4-hydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-one

5-methoxycarbonyl-1,6-dimethyl-4-(4-hydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With cerous p-toluenesulfonate tetrahydrate at 80℃; for 0.166667h; Green chemistry;95%
ethyl 3-oxo-3-phenylpropionate
94-02-0

ethyl 3-oxo-3-phenylpropionate

meta-hydroxybenzaldehyde
100-83-4

meta-hydroxybenzaldehyde

N-Methylurea
598-50-5

N-Methylurea

5-ethoxycarbonyl-1-methyl-6-phenyl-4-(3-hydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-one

5-ethoxycarbonyl-1-methyl-6-phenyl-4-(3-hydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With cerium(III) p-toluenesulfonate tetrahydrate In neat (no solvent) at 80℃; for 1.7h; Biginelli Pyrimidone Synthesis; Green chemistry;95%
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