Shandong Xinhua Pharmaceutical Company Limited ("Shandong Xinhua") is in an leading position in the manufacturing technology and capacity for antipyretics and analgesics in China and is an important manufacturer in China for the drugs
Cas:6642-31-5
Min.Order:1000 Kilogram
Negotiable
Type:Manufacturers
inquiryAs a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:6642-31-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% -----------------------------------------------------------------------------------------------------------
Cas:6642-31-5
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryWelcome 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
Cas:6642-31-5
Min.Order:0 Metric Ton
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Type:Manufacturers
inquiryProduct Name: 6-Amino-1,-3 dimethyluracil (4AU) CAS No.: 6642-31-5 EINECS No.: 229-662-0 Molecular Formula: C6H9N3O2 Molecular Weight: 155.1546 Structural Formula: Packing Date: Net weight 25 kgs Whi
Cas:6642-31-5
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/848.html Product Name 6-Amino-1,3-dimethyluracil CAS No. 6642-31-5 Appearance White powder Assay ≥99%
Cas:6642-31-5
Min.Order:1 Gram
FOB Price: $34.0
Type:Lab/Research institutions
inquiryThe company has a professional R & D team, mature technology, very competitive prices and stable high quality products for customers to order high quality and low price product efforts! Appearance:White or off-white Solid Storage:Sealed, dry, m
Cas:6642-31-5
Min.Order:1 Kilogram
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Type:Manufacturers
inquiryThe 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
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
Cas:6642-31-5
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryLIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.
Cas:6642-31-5
Min.Order:1 Kilogram
FOB Price: $0.9 / 1.0
Type:Lab/Research institutions
inquiry6-Amino-1,3-dimethyl-1,2,3,4-tetrahydropyrimidine-2,4-dione Basic information Product Name: 6-Amino-1,3-dimethyl-1,2,3,4-tetrahydropyrimidine-2,4-dione Synonyms: AURORA KA-4912;1,3-DIMET
Cas:6642-31-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur 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
Cas:6642-31-5
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
Type:Trading Company
inquiryWITH 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
Cas:6642-31-5
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:6642-31-5
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiry1. Best prices with satisfied quality; 2. It's clients' right to choose the package's Courier (EMS, DHL, FedEx, UPS); 3.It's clients' right to choose the packing way for his produccts from many recent effective packing ways;
Cas:6642-31-5
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:white or off-white powder Storage:Store in sealed containers
Cas:6642-31-5
Min.Order:100 Gram
Negotiable
Type:Other
inquiry1.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
Cas:6642-31-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur 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
Cas:6642-31-5
Min.Order:1 Kilogram
FOB Price: $62.0 / 68.0
Type:Trading Company
inquiry6-Amino-1,3-dimethyl-1,2,3,4-tetrahydropyrimidine-2,4-dione6-Amino-1,3-dimethyl-1,2,3,4-tetrahydropyrimidine-2,4-dione CAS: 6642-31-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and deve
Cas:6642-31-5
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:6642-31-5
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:6642-31-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryprice, service, company and transport advantage: 1. best service, high quality and reasonable price. 2. it's customers' right to choose the package (ems, dhl, fedex, ups). 3. it's customers' right to choose the packing w
Cas:6642-31-5
Min.Order:10 Metric Ton
Negotiable
Type:Trading Company
inquiryBest 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
Hangzhou Yunuo Chemical Co., Ltd is located in Hangzhou city China. As a global supplier in the chemical industry, Yunuochem is to create added value for customers around the world. Sticking to such business idea of "Good faith wins the business
Cas:6642-31-5
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryHangzhou 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
Cas:6642-31-5
Min.Order:0 Metric Ton
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Type:Lab/Research institutions
inquiryJ&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
Cas:6642-31-5
Min.Order:0
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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
Cas:6642-31-5
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryZibo 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
Cas:6642-31-5
Min.Order:10 Gram
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Type:Lab/Research institutions
inquiry6-Amino-1,3-dimethyl-1,2,3,4-tetrahydropyrimidine-2,4-dioneAppearance:White powder Storage:Store in well-closed container, protected from light and in cool & dry place. Package:according to customers' requirements Application:The product is used for
Cas:6642-31-5
Min.Order:1 Gram
Negotiable
Type:Other
inquiry· ProName: 6-Amino-1,3-dimethyluracil,6-Amino-1,3... · CasNo: 6642-31-5 · Molecular Formula: C6H9N3O2 ·
Cas:6642-31-5
Min.Order:1 Metric Ton
FOB Price: $7500.0
Type:Trading Company
inquiryN,N'-Dimethylurea
acetic anhydride
cyanoacetic acid
6-Amino-1,3-dimethylbarbituric acid
Conditions | Yield |
---|---|
at 60℃; for 3h; | 96% |
4-Amino-2,6-dihydroxypyrimidine
methyl iodide
6-Amino-1,3-dimethylbarbituric acid
Conditions | Yield |
---|---|
Stage #1: 4-Amino-2,6-dihydroxypyrimidine With potassium hydroxide In ethanol for 0.666667h; Heating; Stage #2: methyl iodide In ethanol for 8h; Heating; | 90% |
With sodium hydroxide | |
Stage #1: 4-Amino-2,6-dihydroxypyrimidine With sodium hydride In dimethyl sulfoxide for 13h; Stage #2: methyl iodide In dimethyl sulfoxide for 0.75h; Time; |
6-azido-1,3-dimethylpyrimidine-2,4(1H,3H)-dione
6-Amino-1,3-dimethylbarbituric acid
Conditions | Yield |
---|---|
In tetralin at 150℃; for 0.0833333h; | 90% |
With hydrogen; palladium on activated charcoal In methanol for 1h; Ambient temperature; | 85% |
Multi-step reaction with 2 steps 1: 94 percent / toluene / 0.5 h / Heating 2: 62 percent / aq. AcOH, CF3COOH / 6 h / Heating View Scheme |
Conditions | Yield |
---|---|
Stage #1: N,N'-Dimethylurea; cyanoacetic acid With acetic anhydride at 60℃; for 0.166667h; microwave irradiation; Stage #2: With sodium hydroxide In ethanol at 20℃; | 80% |
With sodium ethanolate for 4h; Reflux; | 80% |
In acetic anhydride at 60℃; for 3h; Inert atmosphere; | 79% |
1-(2-cyanoacetyl)-1,3-dimethyl-urea
6-Amino-1,3-dimethylbarbituric acid
Conditions | Yield |
---|---|
With chloro-trimethyl-silane; 1,1,1,3,3,3-hexamethyl-disilazane for 24h; Cyclization; Heating; | 79% |
With sodium hydroxide | 70% |
With potassium acetate |
1,3-dimethyl-2,4-dioxo-6-<(triphenylphosphoranylidene)amino>-1,2,3,4-tetrahydropyrimidine
6-Amino-1,3-dimethylbarbituric acid
Conditions | Yield |
---|---|
With acetic acid; trifluoroacetic acid for 6h; Heating; | 62% |
6-amino-1,3-dimethyl-5-formyluracil
edaravone
A
6-Amino-1,3-dimethylbarbituric acid
B
1-phenyl-3-methyl-4-(1-phenyl-3-methyl-5-oxo-4-pyrazolylidene)methylene-5-pyrazolone
Conditions | Yield |
---|---|
With piperidine In ethanol at 20℃; for 1h; | A 60% B n/a |
5,7-Dimethylpyrimido<4.5-e>-1,2,4-triazinedione, isofervenulin
A
6-Amino-1,3-dimethylbarbituric acid
B
1,3-dimethyl-5-phenyl-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-2,4-dione
Conditions | Yield |
---|---|
With diethylamine; acetophenone at 100 - 110℃; for 3h; | A 19% B 56% |
5,7-Dimethylpyrimido<4.5-e>-1,2,4-triazinedione, isofervenulin
acetophenone
A
6-Amino-1,3-dimethylbarbituric acid
B
1,3-dimethyl-5-phenyl-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-2,4-dione
Conditions | Yield |
---|---|
With diethylamine at 100 - 110℃; for 3h; | A 19% B 56% |
N,N'-Dimethylurea
ethyl 2-cyanoacetate
6-Amino-1,3-dimethylbarbituric acid
Conditions | Yield |
---|---|
With sodium methylate In methanol for 5h; Heating; | 36% |
4-Amino-2,6-dihydroxypyrimidine
dimethyl sulfate
6-Amino-1,3-dimethylbarbituric acid
Conditions | Yield |
---|---|
With sodium hydroxide | |
With sodium hydroxide In water for 4.2h; |
6-amino-1-methyluracil
dimethyl sulfate
6-Amino-1,3-dimethylbarbituric acid
Conditions | Yield |
---|---|
With sodium hydroxide |
1,1-Dimethylurea
cyanoacetic acid chloride
A
1,3-dimethylbarbituric acid
B
6-Amino-1,3-dimethylbarbituric acid
Conditions | Yield |
---|---|
With pyridine; trichlorophosphate |
1,1-Dimethylurea
ethyl 2-cyanoacetate
6-Amino-1,3-dimethylbarbituric acid
Conditions | Yield |
---|---|
With sodium ethanolate | |
With sodium amide; xylene at 100 - 120℃; |
N,N'-Dimethylurea
methyl 2-cyanoacetate
6-Amino-1,3-dimethylbarbituric acid
Conditions | Yield |
---|---|
With sodium butanolate; butan-1-ol |
Conditions | Yield |
---|---|
With sodium hydroxide |
Conditions | Yield |
---|---|
With sodium hydroxide |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq. NaOH solution; NaOH 2: aq. NaOH solution View Scheme |
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide; mineral oil at 70℃; for 3h; |
6-Amino-1,3-dimethylbarbituric acid
6-amino-1,3-dimethyl-5-nitroso-1H-pyrimidine-2,4-dione
Conditions | Yield |
---|---|
With acetic acid; sodium nitrite In water | 100% |
With isopentyl nitrite In ethanol at 20℃; Solvent; Reagent/catalyst; Large scale; | 90% |
With acetic acid; sodium nitrite In water at 80℃; for 1h; | 89% |
6-Amino-1,3-dimethylbarbituric acid
6-amino-1,3-dimethyl-5-formyluracil
1,3,7,9-tetramethyl-2,4,6,8-tetraoxopyrido[2,3-d][6,5-d']dipyrimidine
Conditions | Yield |
---|---|
In tetralin at 190 - 195℃; for 1h; | 99% |
6-Amino-1,3-dimethylbarbituric acid
cyanoacetic acid
2-(6-amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-ylcarbonyl)acetonitrile
Conditions | Yield |
---|---|
With acetic anhydride at 90℃; for 0.0833333h; | 99% |
With acetic anhydride at 80℃; | 95% |
With acetic anhydride at 84.84℃; for 0.166667h; | 87% |
6-Amino-1,3-dimethylbarbituric acid
diethyl 2-ethoxymethylenemalonate
Diethyl N-(1,3-Dimethyl-2,4-dioxo-6-pyrimidinyl)aminomethylenemalonate
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol Heating; overnight; | 99% |
With sodium ethanolate In ethanol Gould-Jacobs reaction; |
6-Amino-1,3-dimethylbarbituric acid
4-methyl-benzaldehyde
1-(4-methylphenyl)-1-bis(6-amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimid-5-yl)methane
Conditions | Yield |
---|---|
In water at 20℃; for 0.25h; chemoselective reaction; | 99% |
With hybrid material nanorod-[SiO2-Pr-Im-SO3H][TFA] In ethanol for 1h; Catalytic behavior; Reflux; | 96% |
With [2-(dimethylamino)ethyl]dimethylazanium phosphoric acid chloride functionalized Fe3O4-SiO2core-shell magnetic nanoparticles at 120℃; for 0.166667h; | 95% |
6-Amino-1,3-dimethylbarbituric acid
4-chlorobenzaldehyde
1-(4-chlorophenyl)-1-bis(6-amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimid-5-yl)methane
Conditions | Yield |
---|---|
In water at 20℃; for 0.25h; chemoselective reaction; | 99% |
In ethanol; water at 20℃; for 1h; | 99% |
With [2-(dimethylamino)ethyl]dimethylazanium phosphoric acid chloride functionalized Fe3O4-SiO2core-shell magnetic nanoparticles at 120℃; for 0.333333h; Temperature; | 97% |
6-Amino-1,3-dimethylbarbituric acid
dimedone
4-bromo-benzaldehyde
1,3,8,8-tetramethyl-5-(4-bromophenyl)-5,8,9,10-tetrahydropyrimido[4,5-b]quinoline-2,4,6(1H,3H,7H)-trione
Conditions | Yield |
---|---|
With N-methyl-2-oxopyrrolidin-1-ium dihydrogen phosphate at 80℃; for 0.833333h; | 99% |
With zirconium hydrogen sulfate In neat (no solvent) at 80℃; for 1h; | 97% |
With 1,4‑diazabicyclo[2.2.2]octane‑1,4‑diium hydrogen sulfate In ethanol; water at 75℃; for 1.33333h; Green chemistry; | 95% |
6-Amino-1,3-dimethylbarbituric acid
4-nitro-aniline
6-amino-1,3-dimethyl-5-(4-nitrophenylazo)-1H-pyrimidine-2,4-dione
Conditions | Yield |
---|---|
Stage #1: 4-nitro-aniline With sulfuric acid; acetic acid; sodium nitrite at 0 - 5℃; for 2h; Stage #2: 6-Amino-1,3-dimethylbarbituric acid With sodium hydroxide In water at 0 - 5℃; for 0.25h; pH=7; | 99% |
Stage #1: 4-nitro-aniline With hydrogenchloride; sodium nitrite at 0 - 5℃; Stage #2: 6-Amino-1,3-dimethylbarbituric acid With sodium hydrogencarbonate; acetic acid In water at 0 - 5℃; pH=6 - 7; | 97% |
Stage #1: 4-nitro-aniline With water; sodium nitrite at 20℃; Stage #2: 6-Amino-1,3-dimethylbarbituric acid at 20℃; | 77% |
Stage #1: 4-nitro-aniline With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 0.5h; Stage #2: 6-Amino-1,3-dimethylbarbituric acid With acetic acid In water at 0 - 5℃; for 0.5h; Stage #3: With sodium hydroxide at 20℃; for 1h; pH=Ca. 5 - 6; |
furfural
6-Amino-1,3-dimethylbarbituric acid
6,6'-diamino-1,1',3,3'-tetramethyl-5,5'-(2-furyl)bis[pyrimidine-2,4(1H,3H)-dione]
Conditions | Yield |
---|---|
In water at 20℃; for 1h; chemoselective reaction; | 99% |
In ethanol; water at 20℃; for 3h; | 99% |
With ammonium cerium (IV) nitrate In ethanol; water at 20℃; for 2h; Green chemistry; | 94% |
2,4-thiazolidinedion
6-Amino-1,3-dimethylbarbituric acid
ortho-bromobenzaldehyde
Conditions | Yield |
---|---|
With layered double hydroxides functionalized with (3r,5r,7r)-1-(3-(triethoxysilyl)propyl)-1,3,5,7-tetraazaadamantan-1-ium chloride In water at 100℃; for 0.333333h; Green chemistry; | 99% |
2,4-thiazolidinedion
6-Amino-1,3-dimethylbarbituric acid
2-Fluorobenzaldehyde
Conditions | Yield |
---|---|
With layered double hydroxides functionalized with (3r,5r,7r)-1-(3-(triethoxysilyl)propyl)-1,3,5,7-tetraazaadamantan-1-ium chloride In water at 100℃; for 0.0833333h; Green chemistry; | 99% |
Conditions | Yield |
---|---|
With potassium cyanide; sodium hydroxide; carbon monoxide; nickel cyanide at 24℃; for 0.5h; | 98.6% |
6-Amino-1,3-dimethylbarbituric acid
N,N-dimethyl-formamide dimethyl acetal
6-<<(dimethylamino)methylene>amino>-1,3-dimethyluracil
Conditions | Yield |
---|---|
for 5h; Inert atmosphere; Reflux; | 98% |
for 0.05h; Microwave irradiation; | 95% |
for 5h; Reflux; | 78% |
In benzene for 6h; Heating; | 66% |
6-Amino-1,3-dimethylbarbituric acid
N,N-dimethyl-formamide
6-amino-1,3-dimethyl-5-formyluracil
Conditions | Yield |
---|---|
With trichlorophosphate at 49.84 - 59.84℃; for 0.25h; | 98% |
With trichlorophosphate at 100℃; for 1h; | 90% |
With trichlorophosphate Vilsmeier formylation; | |
Stage #1: 6-Amino-1,3-dimethylbarbituric acid; N,N-dimethyl-formamide at 0℃; for 0.166667h; Stage #2: With trichlorophosphate at 20℃; for 2h; | 219.8 mg |
6-Amino-1,3-dimethylbarbituric acid
1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidine-5-carbaldehyde
Conditions | Yield |
---|---|
With acetic acid for 6h; Reflux; | 98% |
With trifluoroacetic acid In acetonitrile Heating; | 67% |
1H-indene-1,3(2H)-dione
6-Amino-1,3-dimethylbarbituric acid
4-bromo-benzaldehyde
Conditions | Yield |
---|---|
With zirconium hydrogen sulfate In neat (no solvent) at 80℃; for 1h; | 98% |
With Fe3O4*cellulose sulfuric acid In water at 80℃; for 0.5h; Green chemistry; | 95% |
With nano Fe2O3(at)SiO2-SO3H In water for 2h; Reflux; | 95% |
6-Amino-1,3-dimethylbarbituric acid
Conditions | Yield |
---|---|
With bis(acetylacetonate)oxovanadium; dihydrogen peroxide; acetic acid; potassium iodide In ethanol; water at 20℃; for 0.166667h; Catalytic behavior; Reagent/catalyst; Concentration; Time; | 98% |
Multi-step reaction with 2 steps 1: 83 percent / CH2Cl2 / 2 h / Ambient temperature 2: 48 percent / acetonitrile / 8 h / Heating View Scheme |
6-Amino-1,3-dimethylbarbituric acid
4-chlorobenzaldehyde
dimedone
1,3,8,8-tetramethyl-5-(4-chlorophenyl)-5,8,9,10-tetrahydropyrimido[4,5-b]quinoline-2,4,6(1H,3H,7H)-trione
Conditions | Yield |
---|---|
With N-methyl-2-oxopyrrolidin-1-ium dihydrogen phosphate at 80℃; for 0.833333h; | 98% |
With nano-[Fe3O4(at)-SiO2(at)R-NHMe2][H2PO4] catalyst In neat (no solvent) at 120℃; for 0.166667h; Temperature; Green chemistry; | 96% |
With nano-[Fe3O4(at)SiO2(at)BDIL] In neat (no solvent) at 120℃; for 0.25h; Reagent/catalyst; Temperature; Time; | 96% |
6-Amino-1,3-dimethylbarbituric acid
dimedone
2,4-dichlorobenzaldeyhde
5-(2,4-dichlorophenyl)-1,3,8,8-tetramethyl-7,8,9,10-tetrahydropyrimido[4,5-b]quinoline-2,4,6(1H,3H,5H)-trione
Conditions | Yield |
---|---|
With 1-n-butyl-3-methylimidazolim bromide at 95℃; for 4h; | 98% |
With N,N,N',N'-tetramethyl-N-(silica-n-propyl)-N'-sulfonic acid-ethylenediaminium chloride/mesylate ([TSSECM]) In neat (no solvent) at 125℃; for 0.5h; | 93% |
With rhodium(III) chloride hydrate In water at 40℃; for 0.05h; Sonication; Green chemistry; | 92% |
With nano-[Fe3O4(at)SiO2(at)BDIL] In neat (no solvent) at 120℃; for 0.25h; | 85% |
With N,N,N-triethyl-N-sulfoethanammonium chloride In neat (no solvent) at 120℃; for 0.5h; Green chemistry; |
2-aminopyrimidine
6-Amino-1,3-dimethylbarbituric acid
6-amino-1,3-dimethyl-5-[(2-pyrimidyl)diazenyl]uracil
Conditions | Yield |
---|---|
Stage #1: 2-aminopyrimidine With sulfuric acid; acetic acid; sodium nitrite at 0 - 5℃; for 2h; Stage #2: 6-Amino-1,3-dimethylbarbituric acid With sodium hydroxide In water at 0 - 5℃; for 0.25h; pH=7; | 98% |
BARBITURIC ACID
6-Amino-1,3-dimethylbarbituric acid
4-chlorobenzaldehyde
1,3-dimethyl-5-(4-chlorophenyl)-5,10-dihydropyrimido[5',4':5,6]pyrido[2,3-d]pyrimidine-2,4,6,8(1H,3H,7H,9H)-tetraone
Conditions | Yield |
---|---|
With zirconium hydrogen sulfate In neat (no solvent) at 80℃; for 1h; | 98% |
With hexamethylenetetramine-based ionic liquid immobilized on the MIL-101(Cr) metal-organic framework In neat (no solvent) at 80℃; for 0.233333h; | 95% |
With piperidine In water at 60℃; for 1h; Ultrasound irradiation; | 87% |
With phosphorus pentoxide In ethanol for 2h; Reflux; | 80% |
6-Amino-1,3-dimethylbarbituric acid
Benzoylacetonitrile
4-bromo-benzaldehyde
5-(4-Bromophenyl)-1,3-dimethyl-2,4-dioxo-7-phenyl-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
Conditions | Yield |
---|---|
With 1-n-butyl-3-methylimidazolim bromide at 80℃; for 5.5h; | 98% |
In water at 90℃; for 8h; Green chemistry; | 97% |
6-Amino-1,3-dimethylbarbituric acid
4-nitrobenzaldehdye
dimedone
5-(4-nitrophenyl)-1,3,8,8-tetramethyl-7,8,9,10-tetrahydropyrimido[4,5-b]quinoline-2,4,6(1H,3H,5H)-trione
Conditions | Yield |
---|---|
With N-methyl-2-oxopyrrolidin-1-ium dihydrogen phosphate at 80℃; for 0.666667h; | 98% |
With rhodium(III) chloride hydrate In water at 40℃; for 0.05h; Concentration; Temperature; Time; Reagent/catalyst; Solvent; Sonication; Green chemistry; | 96% |
With Fe3O4 nanoparticles supported on cellulose In water for 2h; Reflux; Green chemistry; | 96% |
6-Amino-1,3-dimethylbarbituric acid
dimedone
meta-hydroxybenzaldehyde
1,3,8,8-tetramethyl-5-(3-hydroxyphenyl)-5,8,9,10-tetrahydropyrimido[4,5-b]quinoline-2,4,6(1H,3H,7H)-trione
Conditions | Yield |
---|---|
With zirconium hydrogen sulfate In neat (no solvent) at 80℃; for 1h; | 98% |
With toluene-4-sulfonic acid In water at 90℃; for 3h; | 86% |
6-Amino-1,3-dimethylbarbituric acid
4-methyl-(3-carboxyl-3-oxoprop-1-enyl)benzene
1,2,3,4,5,8-hexahydro-1,3-dimethyl-5-(4-methylphenyl)-2,4-dioxopyrido[2,3-d]pyrimidine-7-carboxylic acid
Conditions | Yield |
---|---|
With cadmium oxide nanoparticles In ethanol at 20℃; for 0.166667h; Michael Addition; | 98% |
With zinc(II) oxide at 70℃; for 2h; | 94% |
6-Amino-1,3-dimethylbarbituric acid
(E)-4-(4-bromophenyl)-4-oxobut-2-enoic acid
Conditions | Yield |
---|---|
In acetic acid for 0.75h; Reflux; | 98% |
6-Amino-1,3-dimethylbarbituric acid
(E) 4-(4-fluorophenyl)-4-oxo-2-butenoic acid
Conditions | Yield |
---|---|
In acetic acid for 0.75h; Reflux; | 98% |
6-Amino-1,3-dimethylbarbituric acid
phenyl isothiocyanate
4-bromo-benzaldehyde
5-(4-bromophenyl)-1,3-dimethyl-6-phenyl-7-thioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione
Conditions | Yield |
---|---|
With {3-[(6,8-disulfonaphthalen-2-yl)amino]propyl}(ethoxy)silanebis(olate) functionalized silica coated magnetic iron oxide nanoparticles In water for 1.25h; Reflux; Green chemistry; | 98% |
With MIL-53(Fe) metal-organic framework In neat (no solvent) at 110℃; Green chemistry; | 97% |
With PEG-bound sulfonic acid In water Reflux; Green chemistry; | 78% |
With toluene-4-sulfonic acid In water Reflux; Green chemistry; regioselective reaction; | 71% |
6-Amino-1,3-dimethylbarbituric acid
4-nitrobenzaldehdye
phenyl isothiocyanate
1,3-dimethyl-5-(4-nitrophenyl)-6-phenyl-7-thioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione
Conditions | Yield |
---|---|
With {3-[(6,8-disulfonaphthalen-2-yl)amino]propyl}(ethoxy)silanebis(olate) functionalized silica coated magnetic iron oxide nanoparticles In water for 1h; Catalytic behavior; Reagent/catalyst; Solvent; Temperature; Reflux; Green chemistry; | 98% |
With MIL-53(Fe) metal-organic framework In neat (no solvent) at 110℃; Green chemistry; | 98% |
With PEG-bound sulfonic acid In water Reflux; Green chemistry; | 90% |
With toluene-4-sulfonic acid In water Reflux; Green chemistry; regioselective reaction; | 67% |
4-hydroxy[1]benzopyran-2-one
6-Amino-1,3-dimethylbarbituric acid
4-bromo-benzaldehyde
6‐amino‐5‐((4‐bromophenyl)(4‐hydroxy‐2‐oxo‐2H‐chromen‐3‐yl)methyl)‐1,3‐dimethylpyrimidine‐2,4(1H,3H)‐dione
Conditions | Yield |
---|---|
With zirconium hydrogen sulfate In neat (no solvent) at 80℃; for 1h; | 98% |
With 2-(3-phenylthioureido)ethylprolinamide In water for 0.25h; Reflux; | 95% |
With phosphotungstic acid In ethanol; water at 20℃; for 0.3h; | 89% |
Stage #1: 4-hydroxy[1]benzopyran-2-one; 4-bromo-benzaldehyde With 1-(1-benzylpiperidin-4-yl)-3-(2-(piperidin-1-yl)ethyl)thiourea In water for 0.25h; Reflux; Stage #2: 6-Amino-1,3-dimethylbarbituric acid In water for 4h; | 86% |
With Fe3O4(at)TiO2 Nanocomposite In water at 20℃; for 2.5h; Green chemistry; |
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