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:558-43-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:558-43-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:558-43-0
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
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
Cas:558-43-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry2-methylpropane-1,2-diol CAS:558-43-0 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 quality organic i
Cas:558-43-0
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:558-43-0
Min.Order:1 Kilogram
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:558-43-0
Min.Order:0
Negotiable
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:558-43-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct Name: 2-methylpropane-1,2-diol Synonyms: 2-methylpropane-1,2-diol;1,2-Dihydroxy-2-methylpropane;1,2-Dihydroxyisobutane;2-Hydroxy-2-methylpropanol;Isobutene Glycol;1,2-Propanediol,2-Methyl- CAS: 558-43-0 MF: C4H10O2 MW: 90.121 EINECS: 2
Cas:558-43-0
Min.Order:1 Kilogram
FOB Price: $230.0
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:558-43-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd
Cas:558-43-0
Min.Order:1 Kilogram
FOB Price: $65.0 / 79.0
Type:Trading Company
inquiry1)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 etc. 3) oem/odm available; 4) rea
Cas:558-43-0
Min.Order:1 Gram
FOB Price: $2.0
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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Hunan chemfish Pharmaceutical co.,Ltd a comprehensive enterprise, is located in High-Tech Science Park,Changsha,Chia . Specializing in R&D, manufacture and marketing, we provide a wide range of products and the most professional services to meet the
bulk production Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical manufacturing for overseas customers, in the field of API, pharmaceutical intermediates, chemical intermediates, fine ch
Cas:558-43-0
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryAnsciep 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:558-43-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white crystalline powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use
2-Methyl-1,2-propanediol cas 558-43-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:1g Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
We are professional supplier in China for this product, we are dedicated to providing customers with the best quality, price, and service. Please feel free to send us inquiries.Appearance:Please contact us for product details Package:As per shipment
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical
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:558-43-0
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryShanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrat
2-(benzyloxy)-2-methylpropan-1-ol
2-Methyl-1,2-propanediol
Conditions | Yield |
---|---|
With hydrogen; 20% Pd(OH)2/C In methanol at 20℃; under 1551.49 Torr; for 1.16667h; | 99% |
Conditions | Yield |
---|---|
With [carbonylchlorohydrido{bis[2-(diphenylphosphinomethyl)ethyl]amino}ethylamino] ruthenium(II); potassium tert-butylate; hydrogen In tetrahydrofuran at 140℃; for 12h; Autoclave; | A > 99 %Chromat. B 97% |
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 86 %Chromat. B 92% |
With potassium phosphate; C62H63N5OPRu(1+)*Cl(1-); hydrogen In tetrahydrofuran at 140℃; under 38002.6 Torr; for 24h; Glovebox; Autoclave; | A 95 %Chromat. B 99 %Chromat. |
(2S,3R)-2,3-Dihydroxy-4-methyl-5-phenylpent-4-ene
A
2-Methyl-1,2-propanediol
B
<<2α(R),3β>-1S,2S>-1-(2-methyl-3-phenyloxiranyl)-1,2-propanediol
Conditions | Yield |
---|---|
With titanium(IV) isopropylate; 2-hydroperoxy-2-methyl-1-propanol; 4 A molecular sieve at 20℃; for 1h; other reagents: 2,3-dimethyl-3-hydroperoxy-2-butanol, 2-hydroperoxy-2-phenyl-1-ethanol, m-chloroperoxybenzoic acid, NaHCO3, dimethyldioxirane; | A n/a B 91% |
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 16h; Inert atmosphere; | 86% |
With barium copper chromite at 200℃; under 128714 Torr; Hydrogenation; | |
With copper chromite at 100 - 125℃; under 257428 Torr; Hydrogenation; |
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 1h; | 82.6% |
Stage #1: methyl 2-hydroxy-2-methylpropionate With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; Stage #2: With water; sodium hydroxide In tetrahydrofuran | 68% |
With potassium tert-butylate; hydrogen; [tris(μ-chloro)bis((triphos)ruthenium(II))] chloride In methanol at 100℃; under 30003 Torr; for 13h; Inert atmosphere; Autoclave; | 90.4 %Chromat. |
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 12.3333h; |
α-methyl-α-((1-tert-butoxy-2-methyl-2,3-epoxypropyl)oxy)-β-propiolactone
A
2-methylglycidol
B
2-Methyl-1,2-propanediol
C
2-methyl-2-tert-butoxypropane-1,3-diol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether for 9h; mol ratio 1:3; | A 10.7% B 33.4% C 55.9% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 0℃; | 53% |
Conditions | Yield |
---|---|
With sodium perchlorate; water at 35℃; Rate constant; ionic strength: 2.0; kinetic isotope effect; | |
With sulfuric acid at 90℃; | |
With sulfuric acid; water | |
With phosphoric acid In water at 20℃; | |
With water-d2; hydrogen chloride |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate at 195℃; under 37510.9 Torr; |
ethanol
2-chloro-2-methyl-1-propanol
A
2-Methyl-1,2-propanediol
B
isobutyraldehyde
Conditions | Yield |
---|---|
at 25℃; Geschwindigkeit.Hydrolysis; |
Conditions | Yield |
---|---|
With water; barium carbonate at 50℃; | |
With water; potassium carbonate | |
With water; lead(II) oxide at 50℃; | |
With potassium carbonate |
2-bromo-2-methylpropanal
A
2-Methyl-1,2-propanediol
B
2-methyllactic acid
Conditions | Yield |
---|---|
With sodium hydroxide |
Conditions | Yield |
---|---|
Belichtung; |
methanol
acetone
A
2-Methyl-1,2-propanediol
B
ethylene glycol
C
isopropyl alcohol
Conditions | Yield |
---|---|
Irradiation; |
Conditions | Yield |
---|---|
With water; benzene at 150℃; in Gegenwart von Mangan(II)-propionat; | |
With osmium(VIII) oxide; dihydrogen peroxide; tert-butyl alcohol at 0℃; | |
With chamaeleon |
2-hydroxy-2-methylpropanal
A
2-Methyl-1,2-propanediol
B
2-methyllactic acid
2-hydroxy-2-methylpropanal
2-Methyl-1,2-propanediol
Conditions | Yield |
---|---|
With alkaline solution |
2-hydroxy-2-methylpropanal
A
2-Methyl-1,2-propanediol
B
2-methyllactic acid
Conditions | Yield |
---|---|
With sodium hydroxide |
Conditions | Yield |
---|---|
bei der Vergaerung mit Weinhefe; | |
bei der Vergaerung mit Bierhefe; |
Conditions | Yield |
---|---|
(i) Mg, (ii) /BRN= 1737617/, ether; Multistep reaction; |
2-methyl-1,2-epoxypropane
A
isobutyraldehyde isobutylene glycol acetal
B
2-Methyl-1,2-propanediol
C
isobutyraldehyde
Conditions | Yield |
---|---|
With sodium perchlorate; water at 25℃; for 1440h; Product distribution; Mechanism; pH=8.4; ionic strength: 4.1; other pH's and ionic strengths; |
Conditions | Yield |
---|---|
With cyclohexa-1,4-diene; oxygen at 50℃; for 5h; Product distribution; Mechanism; other multimethyl 1,2-dioxethanes, other solvent, var. initial dioxethane concentration, life time estimations of 1,4-dioxybutane biradicals; |
1-bromo-2-methylpropane-2-ol
2-Methyl-1,2-propanediol
Conditions | Yield |
---|---|
With base |
1-<(Trimethylsilyl)oxy>-2-methyl-2-propanol
2-Methyl-1,2-propanediol
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With β-glucuronidase In water Ambient temperature; |
3-hydroxy-2-methyl-1-propene
A
2-Methyl-1,2-propanediol
B
2-methyl-1.3-propanediol
Conditions | Yield |
---|---|
With 9-borabicyclo[3.3.1]nonane dimer; dihydrogen peroxide; sodium acetate Product distribution; 1.) THF, 25 deg C, 6 h, 2.) room temp.; | A 0.5 % Chromat. B 99.5 % Chromat. |
3-hydroxy-2-methyl-1-propene
A
2-Methyl-1,2-propanediol
B
isobutyraldehyde
Conditions | Yield |
---|---|
With sulfuric acid; chloroamine-T at 25℃; Rate constant; Mechanism; var. temp.; |
β-hydroxy(methyl)propylperoxy radical
A
2-Methyl-1,2-propanediol
C
2-hydroxy-2-methylpropanal
Conditions | Yield |
---|---|
at 32.9℃; Kinetics; other temperatures; |
2-methyl-1,2-epoxypropane
sulfuric acid
water
2-Methyl-1,2-propanediol
2-Methyl-1,2-propanediol
methacrylic acid methyl ester
2,2-dimethyl-2-hydroxyethyl methacrylate
Conditions | Yield |
---|---|
With 1,1,1-trioctyl-1-methylphosphonium methylcarbonate; 4,4'-di-tert-butylbiphenyl at 25℃; for 1h; Temperature; Schlenk technique; Molecular sieve; | 98% |
With TEMPOL; magnesium ethylate at 100 - 130℃; for 8h; Time; Reagent/catalyst; | 87.1% |
Stage #1: 2-Methyl-1,2-propanediol With zinc(II) acetylacetonate In hexane at 76 - 102℃; Stage #2: methacrylic acid methyl ester With TEMPOL In methanol at 105 - 108℃; for 8h; Reagent/catalyst; Temperature; |
2-Methyl-1,2-propanediol
methacrylic acid methyl ester
A
2,2-dimethyl-2-hydroxyethyl methacrylate
Conditions | Yield |
---|---|
With TEMPOL; zinc(II) acetylacetonate In hexane at 100 - 130℃; for 12h; | A 92.2% B 5.6% |
With 4,4'-di-tert-butylbiphenyl; tetramethylammonium methyl carbonate at 50℃; for 24h; Temperature; Schlenk technique; Molecular sieve; | A 10% B 90% |
2-Methyl-1,2-propanediol
p-toluenesulfonyl chloride
2-hydroxy-2-methylpropyl 4-methylbenzenesulfonate
Conditions | Yield |
---|---|
With pyridine at 0 - 20℃; for 16h; Inert atmosphere; | 90% |
With pyridine at 10 - 20℃; for 1h; | 82% |
With dmap; triethylamine In dichloromethane for 16h; | 67.9% |
2-Methyl-1,2-propanediol
Conditions | Yield |
---|---|
Stage #1: tert-butyl (1-phenylprop-2-yn-1-yl) carbonate With 2,6-bis[(4S)-4-methyl-4,5-dihydrooxazol-2-yl]pyridine; tetrakis(acetonitrile)copper(I)tetrafluoroborate In tetrahydrofuran at 20℃; for 0.166667h; Sealed tube; Stage #2: 2-Methyl-1,2-propanediol With triethylamine; 10-hydroxy-4a,10a-dihydrobenzo[b][1,4]benzoxaborinine In tetrahydrofuran at -20℃; for 24h; Sealed tube; enantioselective reaction; | 90% |
Conditions | Yield |
---|---|
With C80H73NO6P2 In toluene at 20℃; for 48h; Molecular sieve; enantioselective reaction; | 89% |
2-Methyl-1,2-propanediol
Conditions | Yield |
---|---|
Stage #1: 2-Methyl-1,2-propanediol With potassium tert-butylate In tetrahydrofuran at 20℃; for 0.333333h; Stage #2: C20H25FN4O In tetrahydrofuran at 20℃; for 3h; | 87% |
Conditions | Yield |
---|---|
With C80H73NO6P2 In toluene at 50℃; for 96h; Molecular sieve; enantioselective reaction; | 85% |
2-Methyl-1,2-propanediol
Conditions | Yield |
---|---|
Stage #1: 2-Methyl-1,2-propanediol With potassium tert-butylate In tetrahydrofuran at 20℃; for 0.333333h; Stage #2: N-[(3E)-5-tert-butyl-1-methyl-2-pentyl-1,2-dihydro-3H-pyrazol-3-ylidene]-5-cyano-2-fluorobenzamide In tetrahydrofuran at 20℃; for 3h; | 84% |
2-Methyl-1,2-propanediol
tert-butyldimethylsilyl chloride
1-(tert-butyldimethylsilyloxy)-2-methylpropan-2-ol
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 0 - 20℃; | 84% |
2-Methyl-1,2-propanediol
3,5-dibromobenzaldehyde
Conditions | Yield |
---|---|
With C80H73NO6P2 In toluene at 50℃; for 144h; Molecular sieve; enantioselective reaction; | 83% |
Conditions | Yield |
---|---|
With C80H73NO6P2 In toluene at 20℃; for 240h; Molecular sieve; enantioselective reaction; | 82% |
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 0 - 20℃; for 12h; | 81% |
Conditions | Yield |
---|---|
With C80H73NO6P2 In toluene at 20℃; for 62h; Molecular sieve; enantioselective reaction; | 79% |
2-Methyl-1,2-propanediol
4-chloro-3-nitro-benzaldehyde
Conditions | Yield |
---|---|
With C80H73NO6P2 In toluene at 60℃; for 168h; Molecular sieve; enantioselective reaction; | 79% |
2-Methyl-1,2-propanediol
Conditions | Yield |
---|---|
Stage #1: 2-Methyl-1,2-propanediol With potassium tert-butylate In tetrahydrofuran at 0℃; Stage #2: N-[(3E)-5-tert-butyl-1-methyl-2-(4,4,4-trifluorobutyl)-1,2-dihydro-3H-pyrazol-3-ylidene]-2-fluoro-5-(trifluoromethyl)benzamide In tetrahydrofuran for 2h; | 78% |
2-Methyl-1,2-propanediol
5,5-dimethyl-2-(2-methylphenyl)-1,3,2-dioxaborolane
Conditions | Yield |
---|---|
In toluene equimolar amts. of educts refluxed by stirring; solvent evapd. in vac., distd., elem. anal.; | 77% |
2-Methyl-1,2-propanediol
6-bromo-naphthalene-2-carboxaldehyde
Conditions | Yield |
---|---|
With C80H73NO6P2 In toluene at 20℃; for 52h; Molecular sieve; enantioselective reaction; | 77% |
2-Methyl-1,2-propanediol
(pentamethylcyclopentadienyl)oxorhenium 2-methyl-propane-1,2-diolate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid; triphenylphosphine In tetrahydrofuran (N2); Re-complex, PPh3, TsOH*H2O and ground molecular sieves are stirred in THF, diol is added and mixt. is stirred at room temp. for 15 h; solvent is removed in vacuo, residue is extd. with hexane and filtered,flash chromy. (Baker silica gel, CHCl3, then acetone), solvent is removed, extn. with pentane, pentane is removed, elem. anal.; | 75% |
2-Methyl-1,2-propanediol
Conditions | Yield |
---|---|
Stage #1: 2-Methyl-1,2-propanediol With potassium tert-butylate In tetrahydrofuran for 0.25h; Stage #2: N-[(3E)-5-tert-butyl-1-methyl-2-pentyl-1,2-dihydro-3H-pyrazol-3-ylidene]-2-fluoro-5-(trifluoromethyl)benzamide In tetrahydrofuran at 20℃; for 16h; | 75% |
Conditions | Yield |
---|---|
With C80H73NO6P2 In toluene at 20℃; for 42h; Molecular sieve; enantioselective reaction; | 74% |
2-Methyl-1,2-propanediol
Conditions | Yield |
---|---|
Stage #1: 2-Methyl-1,2-propanediol With potassium tert-butylate In tetrahydrofuran at 20℃; for 0.25h; Stage #2: N-[(3E)-5-tert-butyl-1-methyl-2-(tetrahydro-2H-pyran-4-ylmethyl)-1,2-dihydro-3H-pyrazol-3-ylidene]-2-fluoro-5-(trifluoromethyl)benzamide In tetrahydrofuran at 20℃; for 16h; | 72% |
2-Methyl-1,2-propanediol
N-[(3E)-5-tert-butyl-1-methyl-2-(tetrahydro-2H-pyran-4-ylmethyl)-1,2-dihydro-3H-pyrazol-3-ylidene]-5-cyano-2-fluorobenzamide
Conditions | Yield |
---|---|
Stage #1: 2-Methyl-1,2-propanediol With potassium tert-butylate In tetrahydrofuran at 20℃; for 0.333333h; Stage #2: N-[(3E)-5-tert-butyl-1-methyl-2-(tetrahydro-2H-pyran-4-ylmethyl)-1,2-dihydro-3H-pyrazol-3-ylidene]-5-cyano-2-fluorobenzamide In tetrahydrofuran at 20℃; for 3h; | 72% |
2-Methyl-1,2-propanediol
carbon monoxide
4,4-dimethyl-1,3-dioxolan-2-one
Conditions | Yield |
---|---|
With N-chloro-succinimide; (neocuproine)Pd(OAc)2; sodium acetate In acetonitrile at 55℃; under 760.051 Torr; for 24h; Molecular sieve; | 72% |
Conditions | Yield |
---|---|
With C80H73NO6P2 In toluene at 20℃; for 72h; Molecular sieve; enantioselective reaction; | 72% |
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