As 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:497-06-3
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiry3-BUTENE-1,2-DIOL Basic information Product Name: 3-BUTENE-1,2-DIOL Synonyms: 1,2-Dihydroxy-3-butene;1-Butene-3,4-diol;3-buten-1,2-diol;Erythrol;EPB(TM) DIOL;BUT-3-
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:497-06-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:497-06-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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
Hello, 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:497-06-3
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
superior quality Appearance:clear colorless liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Decomposition product of Erythritol. Transporta
Hangzhou 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:497-06-3
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
Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED intermediates (Fluorene,Carbazole,Boric acid...) 4.Pharmaceutical intermediates O
Cas:497-06-3
Min.Order:1 Metric Ton
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Type:Lab/Research institutions
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:497-06-3
Min.Order:1 Kilogram
FOB Price: $2.0
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
Cas:497-06-3
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryJinhua 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
Hunan 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
Supply top quality products with a reasonable price Application:api
Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketing of chemicals. We have earned ourselves a good reputation at home an
Cas:497-06-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:497-06-3
Min.Order:10 Milligram
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Type:Lab/Research institutions
inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Hangzhou KieRaychem Co.,Ltd.is located in Yuhang District of Hangzhou City and specialized in the chemical product customization, development, sales, import and export. Current business is focused on fine chemicals, pharmaceutical materials and inter
Cas:497-06-3
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryUnited Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
3-Butene-1,2-diol Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shenzhen
1 good quality, better price and bettter service;2 Timely delivery;3 100% refunded if parcel is t delivered or poor quality.We will try to satisfy you upon receipt of your reply. I hope that we can become a long-term cooperative partner. Application:
FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 1-Butene-3,4-diol, CAS:497-06-3 with the most competitive price and the best quality.
Conditions | Yield |
---|---|
With carbonylhydrido(tetrahydroborato)[bis(2-diphenylphosphinoethyl)-amino]ruthenium(II); potassium carbonate In isopropyl alcohol at 140℃; Glovebox; | A > 99 %Chromat. B 96% |
With [bis({2‐[bis(propan‐2‐yl)phosphanyl]ethyl})amine](bromo)(carbonyl)(hydride)iron(II); potassium tert-butylate; isopropyl alcohol In tetrahydrofuran at 140℃; for 12h; Inert atmosphere; Schlenk technique; Green chemistry; | A 82 %Chromat. B 85% |
Conditions | Yield |
---|---|
With water; molybdenum-containing silicate at 25℃; for 5h; Product distribution / selectivity; | A 93% B 4% |
With water; vanadium-containing silicate at 25℃; for 5h; Product distribution / selectivity; | A 87% B 5% |
With water; tungsten-containing silicate at 25℃; for 5h; Product distribution / selectivity; | A 81% B 2% |
With sodium perchlorate; water at 25℃; Rate constant; Mechanism; | A 96 % Chromat. B 4 % Chromat. |
With water; lithium iodide In 1-methyl-pyrrolidin-2-one at 80℃; Product distribution; Further Variations:; Catalysts; Temperatures; reaction time; |
1,4-butenediol
3,4-butenediol
Conditions | Yield |
---|---|
With sulfuric acid; mercury(II) sulfate In water at 90 - 95℃; for 4h; | 75.6% |
With sulfuric acid; mercury(II) sulfate In water for 1.5h; Heating; | 52% |
With sulfuric acid; water; mercury(II) sulfate for 1.5h; Isomerization; Heating; |
Conditions | Yield |
---|---|
With sulfuric acid; mercury(II) sulfate In water at 50℃; for 0.05h; microwave oven; | 66% |
With sulfuric acid; mercury(II) sulfate In water at 50℃; for 0.0833333h; Rearrangement; Irradiation; | 66% |
With sulfuric acid; mercury(II) sulfate In water at 100℃; for 3h; | 65% |
Conditions | Yield |
---|---|
With sulfuric acid for 3h; Heating; | 58% |
With water at 20℃; Product distribution; Rate constant; in the presence of H2SO4 and further acids, further temperatures; | |
With sulfuric acid |
Conditions | Yield |
---|---|
With oxygen In ethyl acetate at 60℃; under 7500.75 Torr; for 60h; Temperature; Reagent/catalyst; Solvent; Pressure; | A 51% B 39% |
Conditions | Yield |
---|---|
With water |
Conditions | Yield |
---|---|
With sodium carbonate | |
With sodium carbonate at 90 - 95℃; |
Conditions | Yield |
---|---|
With sodium carbonate at 90 - 95℃; |
meso-erythritol
3,4-butenediol
Conditions | Yield |
---|---|
With iodo silver benzoate und Verseifen des entstandenen 4-Jod-buten-(1)-ol-(3)-benzoats; |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate |
Conditions | Yield |
---|---|
With sodium perchlorate In water; acetonitrile (electrolysis); |
Conditions | Yield |
---|---|
With sodium methylate In methanol Ambient temperature; Yield given; |
epoxybutene
A
3,4-butenediol
B
1,2:3,4-Diepoxybutane
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; molybdenum resinate In toluene at 110℃; |
epoxybutene
A
2,5-dihydrofuran
B
trans-Crotonaldehyde
C
3,4-butenediol
D
(E)-2-butene-1,4-diol
Conditions | Yield |
---|---|
With potassium iodide; USY zeolite In various solvent(s) at 74.85℃; for 24h; Product distribution; Mechanism; var. nucleophiles and acids; var. solv. and time; |
Conditions | Yield |
---|---|
Erhitzen des Reaktionsgemisches zum Sieden; |
Conditions | Yield |
---|---|
Verseifung des Reaktionsprodukts; |
3,4-butenediol
Conditions | Yield |
---|---|
With barytes |
1-chloro-2-hydroxy-3-butene
A
epoxybutene
B
3,4-butenediol
C
(E)-2-butene-1,4-diol
cis-1,4-dibromo-2-butene
A
2,5-dihydrofuran
B
3,4-butenediol
C
1,4-butenediol
D
crotonaldehyde
Conditions | Yield |
---|---|
at 90 - 95℃; Hydrolysis; |
1,4-dibromo-2-butene
A
3,4-butenediol
B
1,4-butenediol
C
crotonaldehyde
Conditions | Yield |
---|---|
With Methyl formate; dihydrogen peroxide |
Conditions | Yield |
---|---|
trimethylsilylperrhenate In dichloromethane at 20℃; Rearrangement; |
Conditions | Yield |
---|---|
In tetrahydrofuran; water |
Conditions | Yield |
---|---|
With sodium hydroxide Title compound not separated from byproducts.; |
buta-1,3-diene
A
furan
B
3,4-butenediol
C
1,4-butenediol
D
acrolein
E
crotonaldehyde
Conditions | Yield |
---|---|
With 1-vanado,11-molybdophosphoric acid; dihydrogen peroxide In water; acetonitrile at 40℃; for 2h; Gas phase; | A 30 μmol B 59 μmol C 7.5 μmol D 238 μmol E 3.7 μmol |
With 5H(1+)*Mo10O40PV2(5-)*9H2O; dihydrogen peroxide In water; acetonitrile at 50℃; for 2h; Gas phase; | A 23 μmol B 17 μmol C 5 μmol D 99 μmol E 12 μmol |
With 1-vanado,11-molybdophosphoric acid; dihydrogen peroxide In water; acetonitrile at 50℃; for 2h; Kinetics; Gas phase; | A 59 μmol B 42 μmol C 15 μmol D 282 μmol E 5.1 μmol |
Conditions | Yield |
---|---|
With 1,2,3-trimethoxybenzene; Grubbs catalyst first generation In dichloromethane for 6h; Heating / reflux; | 100% |
Conditions | Yield |
---|---|
at 20℃; for 12h; Inert atmosphere; neat (no solvent); | 100% |
3,4-butenediol
tert-butyldimethylsilyl chloride
1-((tert-butyldimethylsilyl)oxy)but-3-en-2-ol
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane for 4h; | 99% |
With 1H-imidazole In dichloromethane at 0 - 20℃; for 21h; | 97% |
In tetrahydrofuran at 20℃; for 9h; | 95% |
Conditions | Yield |
---|---|
dimethyl 2,2'-azobis(isobutyrate) at 0 - 40℃; under 367.786 - 1838.93 Torr; for 4h; Product distribution / selectivity; | 98% |
With triethyl borane at -10 - 20℃; for 0.0833333h; | 96% |
2,2'-azobis(isobutyronitrile) at 0 - 40℃; under 367.786 - 1838.93 Torr; for 2 - 4h; Product distribution / selectivity; | 67 - 94 %Chromat. |
3,4-butenediol
p-toluenesulfonyl chloride
2-hydroxy-3-butenyl-4-methyl-1-benzenesulfonate
Conditions | Yield |
---|---|
With di(n-butyl)tin oxide; triethylamine In dichloromethane; water at 20℃; | 97% |
With pyridine In chloroform | 94.3% |
With pyridine In dichloromethane at 20℃; for 33h; | 62% |
3,4-butenediol
tert-butylchlorodiphenylsilane
(+/-)-1-(tert-butyldiphenylsilyloxy)-2-hydroxy-3-butene
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 0 - 20℃; for 20h; Inert atmosphere; | 95% |
With dmap; triethylamine In tetrahydrofuran at 0 - 20℃; Inert atmosphere; regioselective reaction; | 95% |
With dmap; triethylamine In tetrahydrofuran at 20℃; silylation; | 88% |
3,4-butenediol
chlorodimethyl(1,1,2-trimethylpropyl)silane
1-[(dimethyl(1,1,2-trimethylpropyl)silyl)oxy]-3-butene-2-ol
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 0℃; for 1.5h; | 95% |
3,4-butenediol
Conditions | Yield |
---|---|
With thionyl chloride at 5℃; for 2h; Temperature; Solvent; | 93.2% |
Conditions | Yield |
---|---|
Stage #1: 3,4-butenediol In dichloromethane at 20℃; for 0.5h; Stage #2: 2-Chloro-2-oxo-1,3,2-dioxaphospholane In dichloromethane at 0 - 20℃; for 12h; | 93% |
Conditions | Yield |
---|---|
In dichloromethane at 0 - 20℃; for 12h; | 93% |
Conditions | Yield |
---|---|
Stage #1: 3,4-butenediol; carbonic acid dimethyl ester With sodium methylate; sodium carbonate; magnesium sulfate for 0.5h; Stage #2: With sodium methylate; sodium carbonate at 60℃; for 5h; Temperature; | 92.7% |
With tetrabutylammomium bromide at 180℃; under 8250.83 Torr; for 0.05h; Flow reactor; | 67% |
With cross-linked with 1percent DVB polystyrene-bound 1,8-diazabicyclo[5.4.0]undec-7-ene In dimethyl sulfoxide at 160℃; under 8250.83 Torr; Reagent/catalyst; Solvent; Temperature; Flow reactor; | 87 %Chromat. |
3,4-butenediol
tert-butyldimethylsilyl chloride
3,4-bis(tert-butyldimethylsilanyloxy)but-1-ene
Conditions | Yield |
---|---|
With 1H-imidazole In N,N-dimethyl-formamide | 92% |
With 1H-imidazole In tetrahydrofuran at 20℃; for 72h; | 58% |
(-)-(R)-(1-methoxy-2,2,2-triphenylethyl)dimethylsilane
3,4-butenediol
(1'R)-1-[(1-methoxy-2,2,2-triphenylethyl)dimethylsilyloxy]but-3-en-2-ol
Conditions | Yield |
---|---|
Stage #1: (-)-(R)-(1-methoxy-2,2,2-triphenylethyl)dimethylsilane With bromine In dichloromethane at -78℃; Stage #2: 3,4-butenediol With dmap; triethylamine In dichloromethane at 0 - 23℃; for 1h; Further stages.; | 92% |
3,4-butenediol
t-butyldimethylsiyl triflate
3,4-bis(tert-butyldimethylsilanyloxy)but-1-ene
Conditions | Yield |
---|---|
With 2,6-dimethylpyridine In dichloromethane | 90% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene for 3h; Condensation; Heating; | 90% |
Conditions | Yield |
---|---|
With pyridine In diethyl ether 1.) room temp., 14 h; 2.) reflux, 6 h; | 88% |
With pyridine; Petroleum ether |
3,4-butenediol
4-nitro-benzoyl chloride
4-Nitro-benzoic acid 2-hydroxy-but-3-enyl ester
Conditions | Yield |
---|---|
With pyridine In dichloromethane | 88% |
Conditions | Yield |
---|---|
With dmap; triethylamine In tetrahydrofuran at 0 - 20℃; Inert atmosphere; regioselective reaction; | 88% |
With pyridine; dmap for 3h; Heating; | 65% |
With dmap; triethylamine In toluene at 0 - 40℃; Industry scale; | |
With dmap; triethylamine In n-heptane; ethyl acetate; toluene |
3,4-butenediol
2,4-dimethyl-3-cyclohexenecarboxaldehyde
2-(2,4-dimethylcyclohex-3-enyl)-4-vinyl-[1,3]dioxolane
Conditions | Yield |
---|---|
86% |
2-Methylbutyraldehyde
3,4-butenediol
2-secbutyl-4-vinyl-[1,3]dioxolane
Conditions | Yield |
---|---|
In cyclohexane; water | 86% |
Conditions | Yield |
---|---|
triethyl borane In methanol; hexane at 20℃; for 2h; | 85% |
Conditions | Yield |
---|---|
With pyridine; dmap In dichloromethane at 0 - 20℃; Inert atmosphere; | 85% |
3,4-butenediol
2-oxo-but-3-enoic acid
Conditions | Yield |
---|---|
With oxygen; sodium hydroxide; 5% Bi/4% Pd/1% Pt on active charcoal In water at 30℃; for 4.5h; pH=7.5; Product distribution / selectivity; | 85% |
3,4-butenediol
trichloroacetonitrile
but-1-ene-3,4-diylbis(trichloroacetimidate)
Conditions | Yield |
---|---|
Stage #1: 3,4-butenediol With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 0℃; for 0.5h; Molecular sieve; Stage #2: trichloroacetonitrile In dichloromethane for 0.5h; | 85% |
3,4-butenediol
cycloxexanone dimethyl ketal
2,2-pentamethylene-4-vinyl-1,3-dioxolane
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In cyclohexanone; benzene Heating; | 84% |
3,4-butenediol
3,5,5-trimethyl hexanal
2-(2,4,4-trimethylpentyl)-4-vinyl-[1,3]dioxolane
Conditions | Yield |
---|---|
83% |
3,4-butenediol
4-tercbutyl-cyclohexanone
8-tertbutyl-2-vinyl-1,4-dioxaspiro-[4.5]-decane
Conditions | Yield |
---|---|
79% |
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