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
Cas:10325-70-9
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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Cas:10325-70-9
Min.Order:1 Kilogram
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FOB Price: $1.0 / 10.0
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Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryAppearance:Pale yellow powder Storage:under inert gas (nitrogen or Argon) at 2-8°C Package:25kg/drum Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Cas:10325-70-9
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
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Min.Order:100 Gram
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Min.Order:1 Gram
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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Min.Order:4 Kilogram
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Min.Order:10 Gram
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Min.Order:1 Kilogram
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Min.Order:1 Gram
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Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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Shanghai Finebiotech Co.,Ltd.was established in 2020, which providing professional chemical services. As a customer-oriented company, we have distinguished ourself from others in providing worldwide customers with cost-effective and efficient service
Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
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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
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Type:Lab/Research institutions
inquiryHunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
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5-Acetyl PyrimidineAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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Min.Order:0
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inquiry5-(α-hydroxyethyl)pyrimidine
1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
With manganese(IV) oxide In dichloromethane for 3h; | 73% |
With dipyridinium dichromate; 4 A molecular sieve; acetic acid In dichloromethane at 20℃; for 0.333333h; | 67% |
5-bromopyrimidine
N-Methoxy-N-methylacetamide
1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
Stage #1: 5-bromopyrimidine With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: N-Methoxy-N-methylacetamide In tetrahydrofuran; hexane at -78 - 0℃; | 45% |
Stage #1: 5-bromopyrimidine With n-butyllithium In tetrahydrofuran at -78℃; for 0.5h; Stage #2: N-Methoxy-N-methylacetamide In tetrahydrofuran at -78℃; for 1h; | 175 mg |
1-(4,6-dichloropyrimidine-5-yl)ethane-1-one
1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
With hydrogen; magnesium oxide; palladium on activated charcoal In ethanol for 8h; | 34% |
2-methylimidazole
B
1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 24.9℃; Equilibrium constant; |
9-Phenylfluorene
A
potassium 9-phenylfluorenide
B
1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 24.9℃; Equilibrium constant; |
pyrimidine-5-carbaldehyde
1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 67 percent / diethyl ether / 1 h / 20 °C 2: 67 percent / molecular sieves 4 Angstroem; pyridinium dichromate; HOAc / CH2Cl2 / 0.33 h / 20 °C View Scheme |
4,6-dichloro-5-(α-hydroxyethyl)pyrimidine
1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 79 percent / H2, MgO / 10percent Pd/C / ethanol / 12 h / Heating 2: 73 percent / MnO2 / CH2Cl2 / 3 h View Scheme |
(2-amino-3-bromophenyl)methanol
1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
Stage #1: (2-amino-3-bromophenyl)methanol With manganese(IV) oxide In ethanol at 80℃; for 1h; Sealed tube; Inert atmosphere; Stage #2: 1-(pyrimidin-5-yl)ethan-1-one With potassium hydroxide In ethanol at 0℃; for 1h; Friedlaender Quinoline Synthesis; Inert atmosphere; Sealed tube; | 88% |
1-(pyrimidin-5-yl)ethan-1-one
B
(E)-1-(pyrimidin-5-yl)-ethanone oxime
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride; sodium hydrogencarbonate In benzene for 2h; Heating; | A n/a B 78% |
Conditions | Yield |
---|---|
With potassium phosphate; palladium diacetate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In tetrahydrofuran; 1,4-dioxane; toluene at 100℃; for 18h; | 76% |
Conditions | Yield |
---|---|
With sodium carbonate In methanol; water at 20℃; for 1h; | 69% |
N-methoxylamine hydrochloride
1-(pyrimidin-5-yl)ethan-1-one
B
(E)-1-(pyrimidin-5-yl)-ethanone O-methyloxime
Conditions | Yield |
---|---|
Stage #1: N-methoxylamine hydrochloride With sodium hydrogencarbonate In methanol at 20℃; for 0.5h; Stage #2: 1-(pyrimidin-5-yl)ethan-1-one In methanol at 20℃; for 1h; | A n/a B 63% |
N,N-dimethyl-formamide dimethyl acetal
1-(pyrimidin-5-yl)ethan-1-one
(E)-3-(dimethylamino)-1-(pyrimidin-5-yl)prop-2-en-1-one
Conditions | Yield |
---|---|
In isopropyl alcohol at 100℃; for 24h; | 59% |
for 2h; Reflux; | 657 mg |
1-(pyrimidin-5-yl)ethan-1-one
2-bromo-1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
With hydrogen bromide; bromine; acetic acid for 24h; | 50% |
With N-Bromosuccinimide; trimethylsilyl trifluoromethanesulfonate; triethylamine In tetrahydrofuran at 0℃; for 0.5h; |
(R,E)-N-(1-(2,4-difluorophenyl)ethylidene)-2-methylpropane-2-sulfinamide
1-(pyrimidin-5-yl)ethan-1-one
(R)-N-((S)-2-(2,4-difluorophenyl)-4-oxo-4-(pyrimidin-5-yl)-butan-2-yl)-2-methylpropane-2-sulfinamide
Conditions | Yield |
---|---|
Stage #1: 1-(pyrimidin-5-yl)ethan-1-one With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 0.5h; Inert atmosphere; Stage #2: (R,E)-N-(1-(2,4-difluorophenyl)ethylidene)-2-methylpropane-2-sulfinamide In N,N-dimethyl-formamide; mineral oil at -10 - -5℃; for 1.5h; Inert atmosphere; | 46.4% |
Stage #1: 1-(pyrimidin-5-yl)ethan-1-one With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere; Stage #2: (R,E)-N-(1-(2,4-difluorophenyl)ethylidene)-2-methylpropane-2-sulfinamide In tetrahydrofuran; hexane at -78 - -30℃; for 5h; Inert atmosphere; stereoselective reaction; | 44% |
Conditions | Yield |
---|---|
With ammonium hydroxide; sodium hydroxide In ethanol at 20℃; for 6h; | 42.8% |
Conditions | Yield |
---|---|
With potassium phosphate; palladium diacetate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In tetrahydrofuran; 1,4-dioxane; toluene at 100℃; for 18h; | 42% |
potassium 9-phenylfluorenide
1-(pyrimidin-5-yl)ethan-1-one
A
9-Phenylfluorene
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 24.9℃; Equilibrium constant; |
1-(pyrimidin-5-yl)ethan-1-one
A
2-methylimidazole
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 24.9℃; Equilibrium constant; |
1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: NaHCO3 / methanol / 0.5 h / 20 °C 1.2: 63 percent / methanol / 1 h / 20 °C 2.1: acetone / Heating 3.1: NaBH4 / methanol / -30 - 20 °C View Scheme |
1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: NaHCO3 / methanol / 0.5 h / 20 °C 1.2: 63 percent / methanol / 1 h / 20 °C 2.1: acetone / Heating View Scheme |
N,N-dimethyl-formamide dimethyl acetal
1-(pyrimidin-5-yl)ethan-1-one
1-(5-pyrimidyl)-3-(dimethylamino)-2-propene-1-one
Conditions | Yield |
---|---|
for 15h; Heating / reflux; | |
for 15h; Heating / reflux; |
1-(pyrimidin-5-yl)ethan-1-one
N1-([4,5'-bipyrimidin]-2-yl)-6-methylbenzene-1,3-diamine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: isopropyl alcohol / 24 h / 100 °C 2.1: sodium hydroxide / isopropyl alcohol / 20 °C 3.1: hydrogenchloride; water / water / 2 h 3.2: pH > 8 View Scheme |
1-(pyrimidin-5-yl)ethan-1-one
N-(2-methyl-5-nitrophenyl)-4-(5-pyrimidinyl)-2-pyrimidineamine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: isopropyl alcohol / 24 h / 100 °C 2: sodium hydroxide / isopropyl alcohol / 20 °C View Scheme |
1-(pyrimidin-5-yl)ethan-1-one
N-[3-(4,5'-bipyrimdine-2-ylamino)-4-methylphenyl]-1-(4-methylpiperazin-1-yl)-2,3-dihydro-1H-indene-5-carboxamide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: isopropyl alcohol / 24 h / 100 °C 2.1: sodium hydroxide / isopropyl alcohol / 20 °C 3.1: hydrogenchloride; water / water / 2 h 3.2: pH > 8 4.1: trimethylaluminum / toluene / 50 - 60 °C View Scheme |
1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic acid; hydrogen bromide; bromine / 24 h 2: ethanol / 80 °C View Scheme |
1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
With potassium phosphate; palladium diacetate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane at 100℃; for 15h; Inert atmosphere; |
1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
Stage #1: N-(6-bromo-5-chloropyridin-2-yl)-4-(tert-butyl)benzenesulfonamide; 1-(pyrimidin-5-yl)ethan-1-one With potassium phosphate; palladium diacetate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane at 100℃; for 15h; Inert atmosphere; Stage #2: With hydroxylamine hydrochloride; sodium hydroxide In methanol; water at 95℃; for 12h; | 0.35 g |
1-(pyrimidin-5-yl)ethan-1-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 2 h / Reflux 2: hydrazine hydrate / ethanol / 1 h / 20 °C View Scheme |
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