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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's 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. DayangChem can provide different quantities

O-Methylisourea hemisulfate Manufacturer/High quality/Best price/In stock

Cas:52328-05-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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 O-Methylisourea Hemisulfate supplier in China

Cas:52328-05-9

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product description: Product name O-Methylisourea hemisulfate CAS number 52328-05-9 Assay ≥98% Appearance White crystal Capacity 200mt/year Application Pharmaceutical/pestici

O-Methylisourea hemisulfate

Cas:52328-05-9

Min.Order:10 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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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

O-Methylisourea Sulfate

Cas:52328-05-9

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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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 Bis(2-methylisouronium) sulphate

Cas:52328-05-9

Min.Order:1

Negotiable

Type:Other

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Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co., LTD is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carb

O-Methylisourea Hemisulfate

Cas:52328-05-9

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company

TIANFU-CHEM -O-Methylisourea hemisulfate

Cas:52328-05-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

O-Methylisourea hemisulfate CAS:52328-05-9

Cas:52328-05-9

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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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

Manufacturer supply CAS 52328-05-9 with best quality

Cas:52328-05-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

O-Methylisourea hemisulfate/ LIDE PHARMA- Factory supply / Best price

Cas:52328-05-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Henan Sinotech Import&Export Corporation

Name: O-Methylisourea hemisulfate Synonyms: Carbamimidic acid, methylester, hemisulfate; methyl carbamimidate sulfate (2:1); Oxygen methyl urea sulfate CAS: 52328-05-9 MF: C4H14N4O6S Appearance: White powder Storage:Store in cool and dry place, aw

O-Methylisourea hemisulfate CAS:52328-05-9

Cas:52328-05-9

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:White crystalline powder or powder Storage:Room temperature Package:25kg/drum Application:Pharmaceutical intermediates Transportation:Express/Sea/Air Port:Any port in china

High quality O-Methylisourea Hemisulfate

Cas:52328-05-9

Min.Order:25 Kilogram

Negotiable

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best serv

O-Methylisourea hemisulfate

Cas:52328-05-9

Min.Order:10 Gram

Negotiable

Type:Other

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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

O-Methylisourea hemisulfate 52328-05-9

Cas:52328-05-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: O-Methylisourea hemisulfate CAS: 52328-05-9 MF: C4H14N4O6S MW: 246.24 EINECS: 257-851-8 Product Categories: Mol File: 52328-05-9.mol O-Methylisourea hemisulfate Structure O-Methylisourea hemisulfate Chemical Prop

O-Methylisourea hemisulfate

Cas:52328-05-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

Antitumor drugs, O-Methylisourea hemisulfate CAS:52328-05-9

Cas:52328-05-9

Min.Order:1 Kilogram

FOB Price: $36.0 / 42.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

O-Methylisourea hemisulfate CAS:52328-05-9 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 organ

O-Methylisourea hemisulfate CAS:52328-05-9

Cas:52328-05-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Product quality: Our company have high quality product , and also the product we have good manufacture . First of all, this product is of fine quality. Every finish should be checked by quality inspection system.And every one should be also tried

O-Methylisourea hemisulfate CAS:52328-05-9

Cas:52328-05-9

Min.Order:1 Kilogram

FOB Price: $20.0 / 30.0

Type:Trading Company

inquiry

Leader Biochemical Group

PRODUCT DETAILS

China Largest Factory Manufacturer sales O-Methylisourea hemisulfate CAS 52328-05-9

Cas:52328-05-9

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

O-Methylisourea hemisulfate

Cas:52328-05-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

O-Methylisourea Hemisulfate

Cas:52328-05-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures

O-Methylisourea hemisulfate

Cas:52328-05-9

Min.Order:1 Kilogram

FOB Price: $20.0 / 30.0

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

O-Methylisourea hemisulfate

Cas:52328-05-9

Min.Order:0 Metric Ton

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

0-METHYLISOUREA HEMISULFATE CAS 52328-05-9

Cas:52328-05-9

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

O-Methylisourea hemisulfate

Cas:52328-05-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fonlynn Health Technology Co., Ltd.

Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd

O-Methylisourea hemisulfate

Cas:52328-05-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

O-Methylisourea hemisulfate/High quality/Best price

Cas:52328-05-9

Min.Order:1 Gram

FOB Price: $1.0

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 O-Methylisourea Hemisulfate

Cas:52328-05-9

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Wuhan Kemi-Works Chemical Co., Ltd

Synonyms:Bis(2methylisouronium)sulphate; Carbamimidicacidmethylesterhemisulfate CASNo.52328-05-9 Appearance:White or off-white crystal Storage:store in dry and cool place Package:25kg/fibre drum Application:-- Port:China port

O-Methylisourea hemisulfate

Cas:52328-05-9

Min.Order:1 Kilogram

FOB Price: $100.0

Type:Other

inquiry

Siwei Development Group Ltd.

Product name: O-Methylisourea Hemisulfate CAS No.:52328-05-9 Molecule Formula:C4H14N4O6S Molecule Weight:246.24 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TE

Best Quality O-Methylisourea Hemisulfate

Cas:52328-05-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Synthetic route

O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

4-Chlorophenyl isothiocyanate
2131-55-7

4-Chlorophenyl isothiocyanate

O-methyl-1-(p-chlorophenyl)-2-thioisobiuret
133252-65-0

O-methyl-1-(p-chlorophenyl)-2-thioisobiuret

Conditions
ConditionsYield
With potassium hydroxide In acetone for 0.5h; Heating;95%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

2,3,4-tri-O-acetyl-α-D-arabinopyranosyl isotyhiocyanate
62414-75-9

2,3,4-tri-O-acetyl-α-D-arabinopyranosyl isotyhiocyanate

C14H21N3O8S
77049-61-7

C14H21N3O8S

Conditions
ConditionsYield
With triethylamine In acetonitrile for 24h; Ambient temperature;93%
2-iminiomethylvinamidinium trichloride

2-iminiomethylvinamidinium trichloride

O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

2-methoxy-pyrimidine-5-carbaldehyde
90905-32-1

2-methoxy-pyrimidine-5-carbaldehyde

Conditions
ConditionsYield
With potassium hydrogencarbonate In Isopropyl acetate; water at 20℃; for 40h;93%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

cyclohexylamine
108-91-8

cyclohexylamine

cyclohexyl-guanidine; sulfate
6331-57-3, 14948-93-7, 62512-84-9

cyclohexyl-guanidine; sulfate

Conditions
ConditionsYield
In water a) 60 deg C, 2 h, b) r.t., overnight;91%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl isothiocyanate
14152-97-7

2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl isothiocyanate

C17H25N3O10S
77049-60-6

C17H25N3O10S

Conditions
ConditionsYield
With triethylamine In acetonitrile for 24h; Ambient temperature;89%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

2,2-diethoxy-ethanamine
645-36-3

2,2-diethoxy-ethanamine

2-aminoimidazole hemisulfate
1450-93-7, 36946-29-9, 42383-61-9

2-aminoimidazole hemisulfate

Conditions
ConditionsYield
Stage #1: O-methylisourea hemisulfate; 2,2-diethoxy-ethanamine In water at 50℃; for 4h;
Stage #2: With sulfuric acid In water at 100℃; for 2h; pH=2.5;
86%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

C2H6N2O*HN5

C2H6N2O*HN5

Conditions
ConditionsYield
With barium pentazolate In methanol; water at 20℃; for 6h;86%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

(Z)-2-[4-(tert-Butyl-dimethyl-silanyloxy)-butyryl]-pentadec-2-enoic acid methyl ester
140175-93-5, 140175-94-6

(Z)-2-[4-(tert-Butyl-dimethyl-silanyloxy)-butyryl]-pentadec-2-enoic acid methyl ester

methyl 6-<3-<(tert-butyldimethylsilyl)oxy>propyl>-4-dodecyl-1,4-dihydro-2-methoxypyrimidine-5-carboxylate
140176-04-1

methyl 6-<3-<(tert-butyldimethylsilyl)oxy>propyl>-4-dodecyl-1,4-dihydro-2-methoxypyrimidine-5-carboxylate

Conditions
ConditionsYield
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 60℃; for 12h;79%
pyridine-2-carbaldehyde
1121-60-4

pyridine-2-carbaldehyde

O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

ethyl acetoacetate
141-97-9

ethyl acetoacetate

C14H17N3O3

C14H17N3O3

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 70℃; for 3h; Inert atmosphere; Alkaline conditions;79%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

(E)-1-(1'-deoxy-2',3':4',5'-di-O-isopropylidene-D-xylityl)-2,3,4,4,5,5,5-heptafluoropent-2-en-1-one
698386-24-2

(E)-1-(1'-deoxy-2',3':4',5'-di-O-isopropylidene-D-xylityl)-2,3,4,4,5,5,5-heptafluoropent-2-en-1-one

6-(1'-deoxy-2',3':4',5'-di-O-isopropylidene-D-xylityl)-5-fluoro-2-methoxy-4-(perfluoroethyl)pyrimidine

6-(1'-deoxy-2',3':4',5'-di-O-isopropylidene-D-xylityl)-5-fluoro-2-methoxy-4-(perfluoroethyl)pyrimidine

Conditions
ConditionsYield
With potassium hydroxide In dichloromethane at 20℃; for 24h;78%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

4-Bromophenyl isothiocyanate
1985-12-2

4-Bromophenyl isothiocyanate

O-methyl-1-(p-bromophenyl)-2-thioisobiuret
132533-31-4

O-methyl-1-(p-bromophenyl)-2-thioisobiuret

Conditions
ConditionsYield
With potassium hydroxide In acetone Heating;76%
5-Methylfurfural
620-02-0

5-Methylfurfural

O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

ethyl acetoacetate
141-97-9

ethyl acetoacetate

C14H18N2O4

C14H18N2O4

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 75℃; for 16h; Inert atmosphere; Alkaline conditions;75.7%
Dimethyl oxalate
553-90-2

Dimethyl oxalate

methyl fluoroacetate
453-18-9

methyl fluoroacetate

O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

C7H7FN2O4

C7H7FN2O4

Conditions
ConditionsYield
Stage #1: Dimethyl oxalate; methyl fluoroacetate With sodium methylate In toluene at 25℃; for 2h;
Stage #2: O-methylisourea hemisulfate With sodium methylate In toluene at 35℃; for 8h;
70%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

N-[3-(dimethylamino)-2-(trifluoromethyl)-2-propenylidene]-N-dimethylammonium chloride
176214-18-9

N-[3-(dimethylamino)-2-(trifluoromethyl)-2-propenylidene]-N-dimethylammonium chloride

2-Methoxy-5-trifluoromethyl-pyrimidine

2-Methoxy-5-trifluoromethyl-pyrimidine

Conditions
ConditionsYield
With sodium methylate In methanol; acetonitrile for 3h; Ambient temperature;69%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

2-(Benzoyloxymethylene)-4,4-(ethylenedioxy)cyclohexan-1-one
161694-48-0

2-(Benzoyloxymethylene)-4,4-(ethylenedioxy)cyclohexan-1-one

6.6-(Ethylenedioxy)-5,6,7,8-tetrahydro-2-methoxyquinazoline
161694-49-1

6.6-(Ethylenedioxy)-5,6,7,8-tetrahydro-2-methoxyquinazoline

Conditions
ConditionsYield
With triethylamine In ethanol for 24h; Heating;68%
With triethylamine In ethanol
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

(S)-1-[(10R,13S,16S,19S,22R)-19-Benzyl-13-carbamoylmethyl-22-(4-ethoxy-benzyl)-16-isopropyl-12,15,18,21,24-pentaoxo-7,8-dithia-11,14,17,20,23-pentaaza-spiro[5.19]pentacosane-10-carbonyl]-pyrrolidine-2-carboxylic acid (4-amino-butyl)-amide
99733-17-2

(S)-1-[(10R,13S,16S,19S,22R)-19-Benzyl-13-carbamoylmethyl-22-(4-ethoxy-benzyl)-16-isopropyl-12,15,18,21,24-pentaoxo-7,8-dithia-11,14,17,20,23-pentaaza-spiro[5.19]pentacosane-10-carbonyl]-pyrrolidine-2-carboxylic acid (4-amino-butyl)-amide

(S)-1-[(10R,13S,16S,19S,22R)-19-Benzyl-13-carbamoylmethyl-22-(4-ethoxy-benzyl)-16-isopropyl-12,15,18,21,24-pentaoxo-7,8-dithia-11,14,17,20,23-pentaaza-spiro[5.19]pentacosane-10-carbonyl]-pyrrolidine-2-carboxylic acid (4-guanidino-butyl)-amide
99733-16-1

(S)-1-[(10R,13S,16S,19S,22R)-19-Benzyl-13-carbamoylmethyl-22-(4-ethoxy-benzyl)-16-isopropyl-12,15,18,21,24-pentaoxo-7,8-dithia-11,14,17,20,23-pentaaza-spiro[5.19]pentacosane-10-carbonyl]-pyrrolidine-2-carboxylic acid (4-guanidino-butyl)-amide

Conditions
ConditionsYield
With sodium hydroxide In water at 0℃;64%
(7E)-7-[(dimethylamino)methylidene]-N-methoxy-N,1-dimethyl-8-oxo-1,4,5,6,7,8-hexahydrocyclohepta[c]pyrazole-3-carboxamide
1392049-29-4

(7E)-7-[(dimethylamino)methylidene]-N-methoxy-N,1-dimethyl-8-oxo-1,4,5,6,7,8-hexahydrocyclohepta[c]pyrazole-3-carboxamide

O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

N,9-dimethoxy-N,1-dimethyl-1,4,5,6-tetrahydropyrazolo[4',3':6,7]cyclohepta[1,2-d]pyrimidine-3-carboxamide
1392049-89-6

N,9-dimethoxy-N,1-dimethyl-1,4,5,6-tetrahydropyrazolo[4',3':6,7]cyclohepta[1,2-d]pyrimidine-3-carboxamide

Conditions
ConditionsYield
With potassium carbonate In acetonitrile for 16h; Reflux;62%
ethyl 2-fluoroacetate
459-72-3

ethyl 2-fluoroacetate

O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

oxalic acid diethyl ester
95-92-1

oxalic acid diethyl ester

C8H9FN2O4

C8H9FN2O4

Conditions
ConditionsYield
Stage #1: ethyl 2-fluoroacetate; oxalic acid diethyl ester With sodium methylate In toluene at 30℃; for 2h;
Stage #2: O-methylisourea hemisulfate With sodium methylate In toluene at 35℃; for 8h;
62%
furfural
98-01-1

furfural

O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl 4-(2-furyl)-2-methoxy-6-methyl-1,4-dihydropyrimidine-5-carboxylate

ethyl 4-(2-furyl)-2-methoxy-6-methyl-1,4-dihydropyrimidine-5-carboxylate

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 70℃; for 3h; Inert atmosphere; Alkaline conditions;57%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

3,5-diamino-N-(2-aminoethyl)-6-chloropyrazine-2-carboxamide
87663-03-4

3,5-diamino-N-(2-aminoethyl)-6-chloropyrazine-2-carboxamide

N-(2-Guanidinoethyl)-3,5-diamino-6-chloropyrazine-2-carboxamide sulfate
147452-34-4

N-(2-Guanidinoethyl)-3,5-diamino-6-chloropyrazine-2-carboxamide sulfate

Conditions
ConditionsYield
In water at 20℃; for 1.5h;55%
allyl acetoacetate
1118-84-9

allyl acetoacetate

O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

4-cyanobenzaldehyde
105-07-7

4-cyanobenzaldehyde

4-(4-cyanophenyl)-2-methoxy-6-methyl-1,4-dihydro-pyrimidine-5-carboxylic acid allyl ester
1333000-84-2

4-(4-cyanophenyl)-2-methoxy-6-methyl-1,4-dihydro-pyrimidine-5-carboxylic acid allyl ester

Conditions
ConditionsYield
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 70℃; Inert atmosphere;53%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

methyl 2-[(3,4-difluorophenyl)-methylene]-3-oxo-4-methoxybutyrate

methyl 2-[(3,4-difluorophenyl)-methylene]-3-oxo-4-methoxybutyrate

5-methoxycarbonyl-1,6-dihydro-2-methoxy-4-methoxymethyl-6-(3,4-difluorophenyl)pyrimidine
179482-46-3, 179482-49-6

5-methoxycarbonyl-1,6-dihydro-2-methoxy-4-methoxymethyl-6-(3,4-difluorophenyl)pyrimidine

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol47%
With sodium hydrogencarbonate In ethanol
ethyl 2-cyano-4,4-diethoxybutyrate
52133-67-2

ethyl 2-cyano-4,4-diethoxybutyrate

O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

3,4-dihydro-2-methoxy-4-oxo-7H-pyrrolo<2,3-d>pyrimidine
90057-07-1

3,4-dihydro-2-methoxy-4-oxo-7H-pyrrolo<2,3-d>pyrimidine

Conditions
ConditionsYield
With sodium methylate In methanol for 4h; Heating;46%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

1-isothiocyanato-4-methylbenzene
622-59-3

1-isothiocyanato-4-methylbenzene

O-methyl-1-(p-tolyl)-2-thioisobiuret
132533-30-3

O-methyl-1-(p-tolyl)-2-thioisobiuret

Conditions
ConditionsYield
With potassium hydroxide In acetone Heating;46%
ethyl-3-(dimethylamino)-2-(phenylcarbonyl)prop-2-enoate
66129-60-0

ethyl-3-(dimethylamino)-2-(phenylcarbonyl)prop-2-enoate

O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

ethyl 4-phenyl-2-methoxypyrimidine-5-carboxylate
862838-05-9

ethyl 4-phenyl-2-methoxypyrimidine-5-carboxylate

Conditions
ConditionsYield
With sodium hydrogencarbonate In 1-methyl-pyrrolidin-2-one at 80℃; for 12h;46%
3-chloro-4H-chromen-4-one
18333-00-1

3-chloro-4H-chromen-4-one

O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

2-methoxybenzofuro[3,2-d]pyrimidine
1374216-08-6

2-methoxybenzofuro[3,2-d]pyrimidine

Conditions
ConditionsYield
With 1,10-Phenanthroline; 1,8-diazabicyclo[5.4.0]undec-7-ene; copper(I) bromide In N,N-dimethyl-formamide at 90℃; for 10h; Michael condensation; Inert atmosphere; chemoselective reaction;46%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

valeric acid
109-52-4

valeric acid

C7H14N2O2
847355-27-5

C7H14N2O2

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In DMF (N,N-dimethyl-formamide)42%
benzyl 2-[(2,4-difluorophenyl)methylene]-3-oxopentanoate

benzyl 2-[(2,4-difluorophenyl)methylene]-3-oxopentanoate

O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

5-(benzyloxycarbonyl)-1,6-dihydro-2-methoxy-4-ethyl-6-(2,4-difluorophenyl)pyrimidine
191353-81-8, 191353-84-1

5-(benzyloxycarbonyl)-1,6-dihydro-2-methoxy-4-ethyl-6-(2,4-difluorophenyl)pyrimidine

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol42%
With sodium hydrogencarbonate In ethanol
potassium (Z)-2-cyano-2-fluoroethenolate

potassium (Z)-2-cyano-2-fluoroethenolate

O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

4-amino-5-fluoro-2-methoxypyrimidine
1993-63-1

4-amino-5-fluoro-2-methoxypyrimidine

Conditions
ConditionsYield
In methanol; water at 20℃; for 23h; Schlenk technique;41%
O-methylisourea hemisulfate
52328-05-9

O-methylisourea hemisulfate

(9E)-(+/-)-<6-(Benzoyloxymethylene)-3-methyl-7-oxobicyclo<3.3.1>non-3-en-1-yl>carbamic acid methyl ester

(9E)-(+/-)-<6-(Benzoyloxymethylene)-3-methyl-7-oxobicyclo<3.3.1>non-3-en-1-yl>carbamic acid methyl ester

(11E)-(+/-)-(11-Ethylidene-5,8,9,10-tetrahydro-7-methyl-5,9-methanocyclooctapyrimidin-9-yl)carbamic acid methyl ester

(11E)-(+/-)-(11-Ethylidene-5,8,9,10-tetrahydro-7-methyl-5,9-methanocyclooctapyrimidin-9-yl)carbamic acid methyl ester

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide at 80℃; for 24h;37%
With triethylamine In N,N-dimethyl-formamide

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