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:62147-49-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:62147-49-3
Min.Order:0 Metric Ton
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Type:Manufacturers
inquiryOur 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:62147-49-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:62147-49-3
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:62147-49-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryAbout Product Details
Cas:62147-49-3
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiry2,5-Dihydroxy-1,4-dioxane-2,5-dimethanol CAS:62147-49-3 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
Cas:62147-49-3
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:62147-49-3
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
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
Cas:62147-49-3
Min.Order:0
Negotiable
Type:Manufacturers
inquiryCompany 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
Cas:62147-49-3
Min.Order:1 Gram
Negotiable
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:62147-49-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:62147-49-3
Min.Order:0 Metric Ton
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Type:Other
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:62147-49-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct Name: 2,5-Dihydroxy-1,4-dioxane-2,5-dimethanol Synonyms: 2,5-DIHYDROXY-1,4-DIOXANE-2,5-DIMETHANOL;2,5-DIHYDROXYDIOXANE-2,5-DIMETHANOL;1,3-DIHYDROXYACETONE DIMER;1,3-DIHYDROXY-2-PROPANONE DIMER;DIHYDROXYACETONE DIMER;(2R,5S)-Dihydroxy-1,4
Cas:62147-49-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:62147-49-3
Min.Order:0
Negotiable
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
Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Cas:62147-49-3
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:62147-49-3
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Cas:62147-49-3
Min.Order:0
Negotiable
Type:Manufacturers
inquiryProduct: 2,5-Dihydroxy-1,4-dioxane-2,5-dimethanol CAS NO: 62147-49-3 Molecular Formula: C6H12O6 Molecular Weight: 180.16 Character: White crystalline powders Melting point: 75°C-80°C Assay: ≥99.0 % Appearance:white crystall
Cas:62147-49-3
Min.Order:100 Gram
Negotiable
Type:Trading Company
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Cas:62147-49-3
Min.Order:0
Negotiable
Type:Manufacturers
inquirybest seller Application:API
Cas:62147-49-3
Min.Order:0
Negotiable
Type:Manufacturers
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
Ansciep 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:62147-49-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAmoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate
Cas:62147-49-3
Min.Order:0
Negotiable
Type:Trading Company
inquirybest seller Application:API
Cas:62147-49-3
Min.Order:0
Negotiable
Type:Trading Company
inquiry2,5-Dihydroxy-1,4-dioxane-2,5-dimethanol cas 62147-49-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:62147-49-3
Min.Order:0
Negotiable
Type:Other
inquiryglycerol
1,3-dihydroxyacetone dimer
Conditions | Yield |
---|---|
With C32H30N4O4Pd2(2+); p-benzoquinone In water; acetonitrile at 23℃; for 4h; | 58% |
formaldehyd
A
1,3-dihydroxyacetone dimer
B
erythrulose
E
galactose
F
glucose
Conditions | Yield |
---|---|
With triethylamine; thiazolium salt In N,N-dimethyl-formamide at 100℃; Mechanism; Product distribution; influence of amount of paraformaldehyde, paraformaldehyde:catalyst ratio, reaction temperature and time, other amine bases; |
formaldehyd
A
1,3-dihydroxyacetone dimer
B
erythrulose
C
galactose
D
glucose
Conditions | Yield |
---|---|
With triethylamine; 3-benzyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium chloride In N,N-dimethyl-formamide at 100℃; Further byproducts given; |
formaldehyd
A
1,3-dihydroxyacetone dimer
C
galactose
D
glucose
Conditions | Yield |
---|---|
With triethylamine; 3-benzyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium chloride In N,N-dimethyl-formamide at 100℃; Further byproducts given; |
formaldehyd
A
1,3-dihydroxyacetone dimer
C
galactose
D
glucose
Conditions | Yield |
---|---|
With triethylamine; 3-benzyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium chloride In N,N-dimethyl-formamide at 100℃; Further byproducts given; |
formaldehyd
A
1,3-dihydroxyacetone dimer
B
galactose
C
glucose
Conditions | Yield |
---|---|
With triethylamine; 3-benzyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium chloride In N,N-dimethyl-formamide at 100℃; Further byproducts given; |
formaldehyd
A
1,3-dihydroxyacetone dimer
B
galactose
C
glucose
Conditions | Yield |
---|---|
With triethylamine; 3-benzyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium chloride In N,N-dimethyl-formamide at 100℃; Further byproducts given; |
Glycolaldehyde
A
1,3-dihydroxyacetone dimer
B
erythrulose
C
galactose
D
glucose
Conditions | Yield |
---|---|
With triethylamine; 3-benzyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium chloride In N,N-dimethyl-formamide at 60℃; for 1h; Further byproducts given; |
D-glucose
A
furfural
B
1,3-dihydroxyacetone dimer
C
Glyceraldehyde
Conditions | Yield |
---|---|
With niobium(V) oxide at 20℃; for 2h; Reagent/catalyst; |
D-xylose
A
furfural
B
1,3-dihydroxyacetone dimer
C
Glyceraldehyde
Conditions | Yield |
---|---|
With erbium(III) oxide at 20℃; for 2h; |
D-Fructose
A
5-hydroxymethyl-2-furfuraldehyde
B
1,3-dihydroxyacetone dimer
C
formic acid
D
D-Lactic acid
Conditions | Yield |
---|---|
With dibutyltin dilaurate In water at 150℃; for 2h; | A 5.4 %Chromat. B 9.1 %Chromat. C 6 %Chromat. D 7.8 %Chromat. |
D-Fructose
A
5-hydroxymethyl-2-furfuraldehyde
B
1,3-dihydroxyacetone dimer
C
formic acid
D
acetic acid
E
2-oxopropanal
Conditions | Yield |
---|---|
With n-butylstannoic acid In water at 150℃; for 2h; | A 5.4 %Chromat. B 10.2 %Chromat. C 6.8 %Chromat. D 7.4 %Chromat. E 5.2 %Chromat. |
D-Fructose
A
5-hydroxymethyl-2-furfuraldehyde
B
1,3-dihydroxyacetone dimer
Conditions | Yield |
---|---|
With dibutyltin dilaurate In water at 150℃; for 2h; | A 5.2 %Chromat. B 6.7 %Chromat. |
1,3-dihydroxyacetone dimer
tert-butyldimethylsilyl chloride
1,3-bis-O-(tert-butyldimethylsilyl)-1,3-dihydroxy-2-propanone
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane for 18h; | 100% |
With triethylamine In dichloromethane at 20℃; for 12h; | 99% |
With 1H-imidazole In N,N-dimethyl-formamide for 3h; Ambient temperature; | 98% |
1,3-dihydroxyacetone dimer
hex-5-ynoic acid
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; | 100% |
Conditions | Yield |
---|---|
In pyridine for 14h; Ambient temperature; | 98% |
With pyridine | 85% |
With pyridine at 20℃; | 80% |
1,3-dihydroxyacetone dimer
3-Butyl-acrolein
(1R,3aS,6R,6aR)-6-butylhexahydrofuro[3,4-c]furan-1,3a-diol
Conditions | Yield |
---|---|
With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; benzoic acid In chloroform at 20℃; optical yield given as %ee; enantioselective reaction; | 98% |
1,3-dihydroxyacetone dimer
orthoformic acid triethyl ester
2,5-diethoxy-2,5-bis(hydroxymethyl)-1,4-dioxane
Conditions | Yield |
---|---|
sulfuric acid In ethanol 1.) reflux, 30 min, 2.) 4 days; | 97% |
Stage #1: orthoformic acid triethyl ester With sulfuric acid In ethanol for 0.5h; Reflux; Inert atmosphere; Stage #2: 1,3-dihydroxyacetone dimer In ethanol at 0 - 4℃; | 97% |
With toluene-4-sulfonic acid In ethanol for 24h; | 74% |
sulfuric acid 1) ethanol, 30 min., reflux, 2) 4 deg C, 24 h; Yield given. Multistep reaction; | |
With sulfuric acid In ethanol |
1,3-dihydroxyacetone dimer
benzylamine
1-benzyl-2-mercapto-5-hydroxymethyl-imidazole
Conditions | Yield |
---|---|
With acetic acid In butan-1-ol for 50h; Ambient temperature; | 97% |
1,3-dihydroxyacetone dimer
benzylamine hydrochloride
potassium thioacyanate
A
1-benzyl-2-mercapto-5-hydroxymethyl-imidazole
Conditions | Yield |
---|---|
With acetic acid In water; acetonitrile at 55℃; for 18h; Product distribution; Further Variations:; Solvents; Marckwald imidazole synthesis; | A 97% B 2.8% |
1,3-dihydroxyacetone dimer
potassium thioacyanate
4-methoxybenzylamine hydrochloride
[2-mercapto-1-(4-methoxybenzyl)-1H-imidazol-5-yl]methanol
Conditions | Yield |
---|---|
With acetic acid In water; acetonitrile at 55℃; for 18h; Product distribution; Further Variations:; Solvents; Marckwald imidazole synthesis; | 97% |
1,3-dihydroxyacetone dimer
(E)-2-Hexenal
(1R,3aS,6R,6aR)-6-propylhexahydrofuro[3,4-c]furan-1,3a-diol
Conditions | Yield |
---|---|
With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; benzoic acid In chloroform at 20℃; for 16h; optical yield given as %ee; enantioselective reaction; | 96% |
1,3-dihydroxyacetone dimer
2-undecenal
(1R,3aS,6R,6aR)-6-octylhexahydrofuro[3,4-c]furan-1,3a-diol
Conditions | Yield |
---|---|
With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; benzoic acid In chloroform at 20℃; optical yield given as %ee; enantioselective reaction; | 96% |
1,3-dihydroxyacetone dimer
benzylamine hydrochloride
potassium thioacyanate
5-hydroxymethyl-1-phenylmethylimidazoline-2(3H)-thione
Conditions | Yield |
---|---|
With acetic acid In water; acetonitrile at 60℃; for 16h; | 96% |
1,3-dihydroxyacetone dimer
potassium thioacyanate
3,4-methylenedioxybenzylamine hydrochloride
Conditions | Yield |
---|---|
With acetic acid In water; acetonitrile at 60℃; for 16h; | 95% |
Conditions | Yield |
---|---|
Stage #1: 1,3-dihydroxyacetone dimer With acetic acid In 1,4-dioxane at 60℃; for 0.166667h; Inert atmosphere; Stage #2: Triethyl orthoacetate In 1,4-dioxane at 60℃; for 8h; Stage #3: 4-chlorobenzaldehyde With pyrrolidine In 1,4-dioxane at 20℃; Claisen-Schmidt Condensation; | 95% |
1,3-dihydroxyacetone dimer
methylamine
5-hydroxymethyl-2-mercapto-1-methyl-1H-imidazole
Conditions | Yield |
---|---|
With acetic acid In butan-1-ol for 50h; Ambient temperature; | 93% |
1,3-dihydroxyacetone dimer
p-nitrobenzylamine
potassium thioacyanate
1-(4-Nitrobenzyl)-2-Mercapto-5-Hydroxymethylimidazole
Conditions | Yield |
---|---|
With acetic acid In water; acetonitrile at 55℃; for 18h; Product distribution; Further Variations:; Solvents; Marckwald imidazole synthesis; | 92% |
1,3-dihydroxyacetone dimer
2-octen-1-al
(1R,3aS,6R,6aR)-6-pentylhexahydrofuro[3,4-c]furan-1,3a-diol
Conditions | Yield |
---|---|
With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; benzoic acid In chloroform at 20℃; optical yield given as %ee; enantioselective reaction; | 92% |
1,3-dihydroxyacetone dimer
potassium thioacyanate
(2,4-dichlorophenyl)methanamine hydrochloride
Conditions | Yield |
---|---|
With acetic acid In water; acetonitrile at 60℃; for 16h; | 92% |
1,3-dihydroxyacetone dimer
potassium thioacyanate
n-butylamine hydrochloride
Conditions | Yield |
---|---|
With acetic acid In water; acetonitrile at 60℃; for 16h; | 92% |
1,3-dihydroxyacetone dimer
(E)-2-methylbut-2-enoyl chloride
Conditions | Yield |
---|---|
With pyridine In benzene at 0 - 20℃; for 2h; | 91% |
1,3-dihydroxyacetone dimer
4-aminobenzyl cyanide
potassium thioacyanate
1-(4-cyanobenzyl)-2-mercapto-5-hydroxymethylimidazole
Conditions | Yield |
---|---|
In water; acetonitrile at 55℃; for 18h; Product distribution; Further Variations:; Solvents; Marckwald imidazole synthesis; | 90% |
1,3-dihydroxyacetone dimer
potassium thioacyanate
4-bromobenzylamine hydrochloride
1-(4-Bromobenzyl)-2-Mercapto-5-Hydroxymethylimidazole
Conditions | Yield |
---|---|
With acetic acid In water; acetonitrile at 55℃; for 18h; Product distribution; Further Variations:; Solvents; Marckwald imidazole synthesis; | 90% |
1,3-dihydroxyacetone dimer
benzylamine hydrochloride
potassium thioacyanate
1-benzyl-2-mercapto-5-hydroxymethyl-imidazole
Conditions | Yield |
---|---|
In butan-1-ol at 7℃; for 0.5h; Sonication; | 90% |
1,3-dihydroxyacetone dimer
potassium thioacyanate
4-methoxybenzylamine hydrochloride
Conditions | Yield |
---|---|
With acetic acid In water; acetonitrile at 60℃; for 16h; | 90% |
1,3-dihydroxyacetone dimer
potassium thioacyanate
Conditions | Yield |
---|---|
With acetic acid In water; acetonitrile at 60℃; for 16h; | 90% |
1,3-dihydroxyacetone dimer
potassium thioacyanate
2-(thien-2-yl)-ethylamine hydrochloride
Conditions | Yield |
---|---|
With acetic acid In water; acetonitrile at 60℃; for 16h; | 90% |
1,3-dihydroxyacetone dimer
methylamine hydrochloride
potassium thioacyanate
Conditions | Yield |
---|---|
With acetic acid In water; acetonitrile at 60℃; for 16h; | 90% |
Trimethyl orthoacetate
1,3-dihydroxyacetone dimer
4-bromo-benzaldehyde
Conditions | Yield |
---|---|
Stage #1: 1,3-dihydroxyacetone dimer With acetic acid In 1,4-dioxane at 60℃; for 0.166667h; Inert atmosphere; Stage #2: Trimethyl orthoacetate In 1,4-dioxane at 60℃; for 8h; Stage #3: 4-bromo-benzaldehyde With pyrrolidine In 1,4-dioxane at 20℃; Claisen-Schmidt Condensation; | 90% |
1,3-dihydroxyacetone dimer
Triethyl orthoacetate
4-dimethylamino-benzaldehyde
Conditions | Yield |
---|---|
Stage #1: 1,3-dihydroxyacetone dimer With acetic acid In 1,4-dioxane at 60℃; for 0.166667h; Inert atmosphere; Stage #2: Triethyl orthoacetate In 1,4-dioxane at 60℃; for 8h; Stage #3: 4-dimethylamino-benzaldehyde With pyrrolidine In 1,4-dioxane at 20℃; Claisen-Schmidt Condensation; | 90% |
1,3-dihydroxyacetone dimer
phenyllithium
Conditions | Yield |
---|---|
Stage #1: phenyllithium; (S)- 5,6-dihydro-6-(2-phenylethyl)-2H-pyran-2-one In tetrahydrofuran; dibutyl ether at -78℃; for 0.25h; Stage #2: 1,3-dihydroxyacetone dimer With camphor-10-sulfonic acid In tetrahydrofuran; dibutyl ether; N,N-dimethyl-formamide at -78 - 0℃; for 2h; | 90% |
1,3-dihydroxyacetone dimer
crotonaldehyde
(1R,3aS,6R,6aR)-6-methylhexahydrofuro[3,4-c]furan-1,3a-diol
Conditions | Yield |
---|---|
With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; benzoic acid In chloroform at 20℃; optical yield given as %ee; enantioselective reaction; | 89% |
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