With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:708-75-8
Min.Order:1 Kilogram
FOB Price: $2.0 / 10.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Cas:708-75-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:708-75-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan 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
Cas:708-75-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryMassive 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
We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:708-75-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:708-75-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry4(3H)-Pteridinone,2-amino-6-methyl-Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Joyinchem have been committed to chemical supply for several years and have built good cooperation records with multinational chemical corporations and importers from all over the world. Our services include:-Spot goods-Contract manufacturing-Custom
Cas:708-75-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry4(3H)-Pteridinone,2-amino-6-methyl-Appearance:Off white to slight yellow solid Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By Sea,by A
Cas:708-75-8
Min.Order:0
Negotiable
Type:Trading Company
inquirySupply top quality products with a reasonable price Application:api
Storage:Dark storage Package:1g,10g,50g 100g or kg Application:Pharmaceutical intermediates
Conditions | Yield |
---|---|
With sodium hydrogensulfite; sodium sulfite In water at 0 - 20℃; for 13h; | 80% |
2,5,6-triamino-4-hydroxypyrimidine
2-oxopropanal
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
Stage #1: 2,5,6-triamino-4-hydroxypyrimidine With sodium sulfite In water Stage #2: 2-oxopropanal With sodium hydrogensulfite In water at 5 - 20℃; | 80% |
2,4,5-triamino-6-hydroxypyrimidine sulfate
2-oxopropanal
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
With sodium metabisulfite; sodium sulfite In water at 0 - 25℃; for 16.5h; | 75% |
Conditions | Yield |
---|---|
In water at 0 - 5℃; for 0.0172222h; Isay condensation; microwave irradiation; | 70% |
6-methyl-2-pivaloylamino-4(3H)-pteridinone
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
With perchloric acid at 70 - 80℃; for 0.25h; | 62% |
7-methoxy-6-methylpterin
A
2-amino-6-methylpteridin-4(1H)-one
B
2-Amino-8-ethyl-1,9-dihydro-purin-6-one
Conditions | Yield |
---|---|
With aluminum-mercury amalgam; ammonia In methanol; water for 10h; Ambient temperature; | A 14% B 42% |
Conditions | Yield |
---|---|
for 0.0177778h; Isay condensation; microwave irradiation; | 40% |
2,5,6-triamino-3,4-dihydro-4-pyrimidinone
N-acetyl-α-aminopropionaldehyde
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
With triethylamine In water; N,N-dimethyl-formamide at 20℃; for 120h; Product distribution; various substituted carbonyl compounds, regioselectivity; | 30% |
With triethylamine In water; N,N-dimethyl-formamide at 20℃; for 120h; | 30% |
Conditions | Yield |
---|---|
for 0.0208333h; Isay condensation; microwave irradiation; | 28% |
methanol
2,5,6-triamino-3,4-dihydro-4-pyrimidinone
1,1-Dichloroacetone
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
bei pH 1.6; |
2,4-diamino-6-methylpteridine
1-methyl-4-nitrosobenzene
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
unter Ausschluss von Luft; |
Conditions | Yield |
---|---|
With sodium hydroxide; water |
(2-amino-4-oxo-3,4-dihydro-pteridin-6-yl)-acetic acid
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
at 280℃; |
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
With sodium hydroxide; zinc und anschliessend mit wss.H2O2; |
1,1-dibutoxy-2-propanone
2,4,5-triaminopyrimidin-6(1H)-one sulfate monohydrate
A
7-methylpterin
B
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
With sodium disulfite In water at 80℃; for 6h; Product distribution; further cyclizating agents; |
2,4,5,6-tetraaminopyrimidine sulfate
1-(4'-chlorobenzenesulfonyl)-4-methylimidazolin-2-one
A
7-methylpterin
B
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
With piperidine; potassium hydroxide 1.) water, 20 deg C, 7 d, 2.) heating; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; |
6-methyldihydropterin hydrochloride
A
2-amino-6-methylpteridin-4(1H)-one
B
6-Methyl-7,8-dihydropterin
C
(6-R,S)-6-methyl-5,6,7,8-tetrahydropterin dihydrochloride
Conditions | Yield |
---|---|
With hydrogenchloride pH 3.0; Yields of byproduct given; | A n/a B 35 % Chromat. C n/a |
With hydrogenchloride Product distribution; pH 3.0; | A n/a B 35 % Chromat. C n/a |
hydroxy-2-propanone
A
7-methylpterin
B
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
Yield given. Multistep reaction; |
6-Methyl-7,8-dihydropterin
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
With dihydrogen peroxide at 37℃; pH=7.0; Kinetics; | |
With oxygen In water at 25℃; pH=7.0; Kinetics; Temperature; | Ca. 50 %Chromat. |
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
With sodium dithionite; deuteriated sodium hydroxide In water-d2 at 22℃; for 48h; | 87% |
2-amino-6-methylpteridin-4(1H)-one
2,2-dimethylpropanoic anhydride
6-methyl-2-pivaloylamino-4(3H)-pteridinone
Conditions | Yield |
---|---|
78% | |
With dmap for 3h; Heating; | 40% |
2-amino-6-methylpteridin-4(1H)-one
N,N-dimethyl-formamide dimethyl acetal
2-{[(dimethylamino)methylene]amino}-3,6-dimethylpteridin-4(3H)-one
Conditions | Yield |
---|---|
In 1,4-dioxane for 3h; Heating; | 74% |
2-amino-6-methylpteridin-4(1H)-one
N,N-dimethyl-formamide dimethyl acetal
2-{[(dimethylamino)methylene]amino}-6-methylpteridin-4(3H)-one
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 20℃; for 3.5h; | 71% |
2-amino-6-methylpteridin-4(1H)-one
acetic anhydride
N-(6-methyl-4-oxo-1,4-dihydropteridin-2-yl)acetamide
Conditions | Yield |
---|---|
With acetic acid at 140℃; | 70% |
2-amino-6-methylpteridin-4(1H)-one
benzenesulfonic acid
6-methyl-5,6,7,8-tetrahydrobopterin
Conditions | Yield |
---|---|
Stage #1: bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl In tetrahydrofuran; methanol Stage #2: 2-amino-6-methylpteridin-4(1H)-one; benzenesulfonic acid With hydrogen In methanl at 70℃; under 60006 Torr; for 15h; Product distribution / selectivity; | 63% |
2-amino-6-methylpteridin-4(1H)-one
2-Methylpropionic anhydride
isobutyric Acid
Conditions | Yield |
---|---|
With dmap at 80℃; for 2h; | 62% |
Conditions | Yield |
---|---|
With pyridine for 4.5h; Reflux; | 57% |
2-amino-6-methylpteridin-4(1H)-one
6-methyl-1,2,3,4-tetrahydropteridine-2,4-dione
Conditions | Yield |
---|---|
With perchloric acid at 110 - 130℃; for 0.75h; | 42% |
With hydrogenchloride; acetic acid; sodium nitrite |
7-methylpterin
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
With sulfuric acid unter Zutritt von Luft; |
2-amino-6-methylpteridin-4(1H)-one
acrylonitrile
7-amino-2-methyl-8,9-dihydro-pyrimido[2,1-b]pteridin-11-one
Conditions | Yield |
---|---|
With pyridine |
Conditions | Yield |
---|---|
With sodium hydroxide |
2-amino-6-methylpteridin-4(1H)-one
7-methylpterin
2-amino-6-methylpteridin-4(1H)-one
6-Methyl-7,8-dihydropterin
Conditions | Yield |
---|---|
bei der elektrochemischen Reduktion an einer Quecksilber-Kathode; |
Conditions | Yield |
---|---|
With sodium hydroxide Hydrogenation; | |
With hydrogen; benzenesulfonic acid; bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl In methanol at 70℃; under 60006 Torr; for 15h; Product distribution / selectivity; |
2-amino-6-methylpteridin-4(1H)-one
(6R,S)-5-Formyl-6-methyl-5,6,7,8-tetrahydropterin
Conditions | Yield |
---|---|
With formic acid; platinum Hydrogenation.und Behandeln des Reaktionsgemisches mit Acetanhydrid; |
2-amino-6-methylpteridin-4(1H)-one
Conditions | Yield |
---|---|
With water; hydrogen bromide; bromine |
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