Items Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------
Cas:78920-10-2
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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
Cas:78920-10-2
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Cas:78920-10-2
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Type:Manufacturers
inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap
Cas:78920-10-2
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Cas:78920-10-2
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Min.Order:1 Kilogram
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Type:Trading Company
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Cas:78920-10-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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Cas:78920-10-2
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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Cas:78920-10-2
Min.Order:1 Gram
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Type:Lab/Research institutions
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Cas:78920-10-2
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryAppearance:solid or liquid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:Sea/Air/Cou
Cas:78920-10-2
Min.Order:100 Metric Ton
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Type:Lab/Research institutions
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Min.Order:100 Gram
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Type:Lab/Research institutions
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Cas:78920-10-2
Min.Order:10 Kilogram
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Type:Trading Company
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Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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Type:Lab/Research institutions
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Cas:78920-10-2
Min.Order:10 Gram
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Type:Lab/Research institutions
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inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:78920-10-2
Min.Order:1 Kilogram
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Type:Trading Company
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Cas:78920-10-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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Min.Order:1 Kilogram
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Type:Lab/Research institutions
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Cas:78920-10-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
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Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
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Min.Order:0
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Type:Lab/Research institutions
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Cas:78920-10-2
Min.Order:1 Kilogram
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Type:Other
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Cas:78920-10-2
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryLower 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
Cas:78920-10-2
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Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
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Cas:78920-10-2
Min.Order:0
Negotiable
Type:Manufacturers
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Cas:78920-10-2
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With morpholine In n-heptane at 40.1 - 41.7℃; for 18h; Industrial scale; | 96.3% |
Stage #1: Glyoxilic acid With morpholine In water at 10 - 30℃; for 5h; Large scale; Stage #2: pentanal In water at 40 - 45℃; for 18h; Large scale; Stage #3: With hydrogenchloride In water at 25 - 30℃; for 4h; Large scale; | 95.8% |
In n-heptane; water at 10 - 45℃; for 7h; Temperature; Large scale; | 92.5% |
pentanal
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
Stage #1: Glyoxilic acid With morpholine In n-heptane; water at 20℃; for 1h; Stage #2: pentanal In n-heptane; water at 43℃; for 20h; Stage #3: With hydrogenchloride In n-heptane; water at 20℃; for 2h; | 90.8% |
pentanal
2,2-dihydroxyacetic acid
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
With morpholin hydrochloride In 1,4-dioxane; water 1) RT, 1 h, 2) 24 h, reflux; | 70% |
5-Ethoxy-4-propyl-5H-furan-2-one
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
With hydrogenchloride for 0.25h; Heating; Yield given; |
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
4-propyl-5H-furan-2-one
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol at 20℃; for 1h; | 100% |
With sodium tetrahydroborate In ethanol for 2h; Inert atmosphere; Large scale; | 90% |
With methanol; sodium tetrahydroborate at 20℃; for 1h; | 90.15% |
With sodium tetrahydroborate In toluene at 20℃; for 4h; Reagent/catalyst; Inert atmosphere; | 80% |
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
With triethylamine In toluene at 20℃; for 3h; Time; Large scale; | 90% |
(S)-2-amino-butanamide hydrochloride
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
Stage #1: (S)-2-amino-butanamide hydrochloride With ammonia In isopropyl alcohol pH=9 - 10; Stage #2: 5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one In isopropyl alcohol at 30 - 40℃; | 88.8% |
at 20℃; | 65.3% |
(S)-2-amino-butanamide
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
(2S)-4,5-dehydro-(2-oxo-4-n-propyl-1-pyrrolidinyl)-2-butanamide
Conditions | Yield |
---|---|
With sodium tetrahydroborate; sodium hydroxide In water; isopropyl alcohol at 5 - 25℃; for 1h; | 88.3% |
Stage #1: (S)-2-amino-butanamide; 5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one In toluene at 18℃; for 2.5h; Stage #2: With sodium hydroxide In water; toluene for 1h; Stage #3: With sodium hydroxide; acetic acid more than 3 stages; | 3.4% |
Stage #1: (S)-2-amino-butanamide; 5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one In ethanol at 40℃; for 0.0833333h; Stage #2: With sodium tetrahydroborate; ammonia In ethanol at 40℃; for 0.166667h; Stage #3: With acetic acid In ethanol at 105℃; for 0.15h; |
L-2-aminobutyric acid
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
Stage #1: L-2-aminobutyric acid With sodium methylate In methanol at 0℃; for 0.5h; Stage #2: 5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one In methanol at 20℃; for 0.5h; Further stages; | 86.7% |
Stage #1: L-2-aminobutyric acid With triethylamine In methanol at 20℃; for 0.333333h; Stage #2: 5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one In methanol at 20℃; for 1.5h; Stage #3: With sodium tetrahydroborate In methanol at 0 - 10℃; for 0.333333h; Heating; | 78.9% |
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
methyl iodide
Conditions | Yield |
---|---|
Stage #1: 5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one With sodium hydride In N,N,N,N,N,N-hexamethylphosphoric triamide at 0℃; for 1h; Stage #2: methyl iodide In N,N,N,N,N,N-hexamethylphosphoric triamide at 0 - 20℃; for 0.25h; | 82% |
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
With ammonia In methanol at 30 - 40℃; for 3h; pH=9 - 10; Large scale; | 80.3% |
(S)-2-amino-butanamide
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
In isopropyl alcohol at 30℃; for 3h; | 80% |
(S)-2-amino-butanamide hydrochloride
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
With ammonia In methanol at 20 - 30℃; for 2h; pH=9 - 10; Large scale; | 79.8% |
(S)-2-aminobutyric acid methyl ester hydrochloride
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
Stage #1: (S)-2-aminobutyric acid methyl ester hydrochloride With triethylamine In methanol at 0℃; for 0.5h; Stage #2: 5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one In methanol at 20℃; for 0.5h; Further stages; | 76.3% |
L-2-aminobutanamide tartaric acid
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
With ammonia In isopropyl alcohol at 40 - 50℃; for 2h; pH=9 - 10; Large scale; | 71.7% |
1-[2-(methoxymethyl)-6-(trifluoromethyl)imidazo[2,1-b][1,3,4]thiadiazol-5-yl]methanamine
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
Stage #1: 1-[2-(methoxymethyl)-6-(trifluoromethyl)imidazo[2,1-b][1,3,4]thiadiazol-5-yl]methanamine; 5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one In methanol at 20℃; for 3.5h; Stage #2: With sodium tetrahydroborate In methanol at 0℃; for 1h; Stage #3: With acetic acid In methanol at 20℃; | 30% |
ethanol
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
5-Ethoxy-4-propyl-5H-furan-2-one
Conditions | Yield |
---|---|
With hydrogenchloride for 12h; Heating; |
(S)-3-acetyl-4-isopropyl-1,3-thiazolidine-2-thione
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
With 1-ethyl-piperidine; tin(II) trifluoromethanesulfonate 1.) THF, from -50 to -40 deg C, 3 h, 2.) THF, from -5 to 0 deg C, 2 h; Yield given. Multistep reaction; |
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
5-hydroxy-4-propyldihydrofuran-2-one
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethyl acetate at 25℃; under 1810.02 Torr; for 2h; | |
With 5%-palladium/activated carbon; hydrogen In Isopropyl acetate at 20 - 25℃; under 1125.11 - 1875.19 Torr; for 2h; Solvent; Temperature; Pressure; Sealed tube; | |
With 5%-palladium/activated carbon; hydrogen In ethyl acetate at 25 - 30℃; under 1500.15 - 2250.23 Torr; for 2.5h; Solvent; Temperature; Pressure; Sealed tube; |
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
A
brivaracetam
Conditions | Yield |
---|---|
Multistep reaction; |
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
5-Ethoxy-4-propyl-dihydro-furan-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: HCl(g) / 12 h / Heating 2: 88 percent / H2 / 10percent Pd-C / ethanol / 4 h / 760 Torr View Scheme |
(S)-2-amino-butanamide
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
A
brivaracetam
Conditions | Yield |
---|---|
Stage #1: (S)-2-amino-butanamide; 5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one In isopropyl alcohol at 15 - 30℃; for 2h; Stage #2: With hydrogen; acetic acid; 5%-palladium/activated carbon In isopropyl alcohol at 40℃; under 150.015 - 375.038 Torr; for 20h; Product distribution / selectivity; | |
Stage #1: (S)-2-amino-butanamide; 5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one In isopropyl alcohol at 30℃; for 2h; Stage #2: With 5%-palladium/activated carbon; hydrogen; acetic acid In isopropyl alcohol at 40℃; under 150.015 - 375.038 Torr; for 20h; |
(R)-1-phenyl-ethyl-amine
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
5-hydroxy-1-[1-((R)-phenyl)-ethyl]-4-n-propyl-1,5-dihydro-pyrrol-2-one
Conditions | Yield |
---|---|
In isopropyl alcohol at 20℃; for 1h; | |
In isopropyl alcohol at 20℃; for 1h; | |
In isopropyl alcohol at 20℃; for 1h; |
(S)-1-phenyl-ethylamine
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
5-hydroxy-1-[1-((S)-phenyl)-ethyl]-4-n-propyl-1,5-dihydro-pyrrol-2-one
Conditions | Yield |
---|---|
In isopropyl alcohol at 20℃; for 1h; | |
In isopropyl alcohol at 20℃; for 1h; | |
In isopropyl alcohol at 20℃; | |
In isopropyl alcohol at 20℃; for 1h; |
(2S)-2-phenylglycinol
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
5-hydroxy-1-(2-hydroxy-1-(S)-phenyl-ethyl)-4-n-propyl-1,5-dihydro-pyrrol-2-one
Conditions | Yield |
---|---|
In methanol at 20℃; for 1h; |
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
(R,S)-3-n-propyl-4-aminobutyric acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: ammonia / methanol / 1.5 h / 20 °C 2: hydrogen / palladium 10% on activated carbon / methanol / 3677.86 Torr / autoclave View Scheme |
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
(3S)-3-propyl-4-((S)-1'-phenylethylamino)butanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: isopropyl alcohol / 1 h / 20 °C 2: hydrogen / palladium 10% on activated carbon / isopropyl alcohol / 2206.72 Torr / autoclave View Scheme | |
Multi-step reaction with 2 steps 1: isopropyl alcohol / 1 h / 20 °C 2: hydrogen / palladium 10% on activated carbon / isopropyl alcohol / 2206.72 Torr / Autoclave View Scheme | |
Multi-step reaction with 2 steps 1: isopropyl alcohol / 1 h / 20 °C 2: hydrogen / palladium 10% on activated carbon / isopropyl alcohol / 2206.72 Torr / Parr autoclave reactor View Scheme |
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
(3R)-3-propyl-4-((S)-1'-phenylethylamino)butanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: isopropyl alcohol / 1 h / 20 °C 2: hydrogen / palladium 10% on activated carbon / isopropyl alcohol / 2206.72 Torr / autoclave View Scheme | |
Multi-step reaction with 2 steps 1: isopropyl alcohol / 1 h / 20 °C 2: hydrogen / palladium 10% on activated carbon / isopropyl alcohol / 2206.72 Torr / Autoclave View Scheme | |
Multi-step reaction with 2 steps 1: isopropyl alcohol / 1 h / 20 °C 2: hydrogen / palladium 10% on activated carbon / isopropyl alcohol / 2206.72 Torr / Parr autoclave reactor View Scheme |
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
(3R)-3-propyl-4-((R)-1'-phenylethylamino)butanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: isopropyl alcohol / 1 h / 20 °C 2: hydrogen / palladium 10% on activated carbon / isopropyl alcohol / 2206.72 Torr / autoclave View Scheme | |
Multi-step reaction with 2 steps 1: isopropyl alcohol / 1 h / 20 °C 2: hydrogen / palladium 10% on activated carbon / isopropyl alcohol / 2206.72 Torr / Autoclave View Scheme | |
Multi-step reaction with 2 steps 1: isopropyl alcohol / 1 h / 20 °C 2: hydrogen / palladium 10% on activated carbon / isopropyl alcohol / 2206.72 Torr / Parr autoclave reactor View Scheme |
5-hydroxy-4-n-propyl-2,5-dihydrofuran-2-one
(3S)-3-propyl-4-((R)-1'-phenylethylamino)butanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: isopropyl alcohol / 1 h / 20 °C 2: hydrogen / palladium 10% on activated carbon / isopropyl alcohol / 2206.72 Torr / autoclave View Scheme | |
Multi-step reaction with 2 steps 1: isopropyl alcohol / 1 h / 20 °C 2: hydrogen / palladium 10% on activated carbon / isopropyl alcohol / 2206.72 Torr / Autoclave View Scheme | |
Multi-step reaction with 2 steps 1: isopropyl alcohol / 1 h / 20 °C 2: hydrogen / palladium 10% on activated carbon / isopropyl alcohol / 2206.72 Torr / Parr autoclave reactor View Scheme |
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