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:865-33-8
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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Min.Order:1 Kilogram
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inquiryItems Standard Result Assay (Ursolic acid) 98%min ---------------------------------------------------------------------
Cas:865-33-8
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Manufacturers
inquiryISO Certification Technology: Technology innovation is our eternal pursuit,or we will be left behind.Our technology experts,all from famous universities and institutes,has rich experience and high achievements in chemical research.This makes sure
Cas:865-33-8
Min.Order:1 Kilogram
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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
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Cas:865-33-8
Min.Order:5 Kiloliter
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inquiryPotassium methoxide Basic information Product Name: Potassium methoxide Synonyms: Methanol,potassiumsalt;POTASSIUM METHOXIDE, 0.1 N SOLUTION IN TOLUENE/METHANOL, PURE;Pot
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Cas:865-33-8
Min.Order:100 Metric Ton
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Cas:865-33-8
Min.Order:0 Metric Ton
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Zibo 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:865-33-8
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality Appearance:White Solid 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:Used as Pharmaceutical Intermediates Transportation:by sea
Solid Potassium methoxide is one white powder chemical,its content is more than 98%. English name:Potassium methoxide CAS:865-33-8 Molecular formula:CH3KO Molecular weight:70.13 Application 1、Used as condensating agent; As the strong basici
Cas:865-33-8
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
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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:865-33-8
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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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high 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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:865-33-8
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
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
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Ocean inorganic department is a professional supplier and exporter engaging in inorganic chemical materials and metal organic compounds. Over the past years, our company is committed to improving the product quality and developing new products, in or
Factory Potassium Methoxide Application:Factory Potassium Methoxide
Xiamen Luyunjia Trading Co.,Ltd Package:1kg/bag; 4493kg/drum, or as customer's request. Application:Xiamen Luyunjia Trading Co.,Ltd Transportation:DHL, EMS, FedEx, TNT, AIR, SEA Port:Beijing,Shanghai,Guangzhou ,China main port
Factory Potassium MethoxideAppearance:white power Storage:Sealed packaging and store it in a cool,dry place away from fire,light,oxidizing agents and acids. Package:Zinc plated bucket Application:Used for the organic synthesis of medicine, pesticide
Cas:865-33-8
Min.Order:0
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inquiryin stock Application:865-33-8
Cas:865-33-8
Min.Order:0
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Type:Trading Company
inquiryConditions | Yield |
---|---|
With 1-chloro-2,4-dinitro-benzene at 40℃; Equilibrium constant; Thermodynamic data; further temperatures, ΔH(activ.), ΔG(activ.), ΔS(activ.); |
methanol
potassium 2-naphthoxide
A
potassium methanolate
B
β-naphthol
Conditions | Yield |
---|---|
With 1-chloro-2,4-dinitro-benzene at 40℃; Equilibrium constant; Thermodynamic data; further temperatures, ΔH(activ.), ΔG(activ.), ΔS(activ.); |
methanol
potassium 1-naphtholate
A
α-naphthol
B
potassium methanolate
Conditions | Yield |
---|---|
With 1-chloro-2,4-dinitro-benzene at 40℃; Equilibrium constant; Thermodynamic data; further temperatures, ΔH(activ.), ΔG(activ.), ΔS(activ.); |
A
1-dimethylamino-2,4-dinitronaphthalene
B
potassium methanolate
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 25℃; Equilibrium constant; Rate constant; var. temperatures; |
A
1-dimethylamino-2,4-dinitronaphthalene
B
potassium methanolate
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 25℃; Equilibrium constant; Rate constant; var. temperatures; |
A
potassium methanolate
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 25℃; Equilibrium constant; Rate constant; |
A
potassium methanolate
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 25℃; Equilibrium constant; Rate constant; |
A
potassium methanolate
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 25℃; Equilibrium constant; Rate constant; |
A
potassium methanolate
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 25℃; Equilibrium constant; Rate constant; |
A
potassium methanolate
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 25℃; Equilibrium constant; Rate constant; |
A
potassium methanolate
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 25℃; Equilibrium constant; Rate constant; |
A
2,6-dinitro-4-cyanoanisole
B
potassium methanolate
Conditions | Yield |
---|---|
In methanol at 25℃; Equilibrium constant; |
A
2-methoxy-3,5-dinitro-benzoic acid methyl ester
B
potassium methanolate
Conditions | Yield |
---|---|
With (decomposition) In methanol at 25℃; Rate constant; Equilibrium constant; |
Conditions | Yield |
---|---|
With potassium hydroxide In water at 20℃; Equilibrium constant; var. of temp., amount of water; | |
With potassium In Petroleum ether at 60℃; Microwave irradiation; Inert atmosphere; |
Conditions | Yield |
---|---|
at 20℃; |
Conditions | Yield |
---|---|
With methanol at 20℃; |
Conditions | Yield |
---|---|
With methanol at 20℃; |
trimethylene oxide
A
ethene
B
potassium methanolate
C
potassium propylate
Conditions | Yield |
---|---|
In tetrahydrofuran at 25℃; Product distribution; Further Variations:; Temperatures; Decomposition; |
Conditions | Yield |
---|---|
In methanol byproducts: H; dissolving of K in CH3OH, violent reactn.;; | |
In methanol byproducts: H; dissolving of K in CH3OH, violent reactn.;; | |
In tetrahydrofuran Inert atmosphere; Schlenk technique; Glovebox; |
A
2,3-dihydro-2-methyl-1-(trimethylsilyl)-1H-1,3,2-diazaborole
B
potassium methanolate
Conditions | Yield |
---|---|
With CH3OH In diethyl ether under N2, -78°C, warmed to room temp.; solvent pumped off, distn.; | A 18-23 B n/a |
Conditions | Yield |
---|---|
In various solvent(s) at 125℃; for 0.0583333h; microwave irradiation; | 100% |
Conditions | Yield |
---|---|
In toluene equimolar amts. of Nb complex and CH3OK heated in toluene at 100°C in standard Schlenk-type app. for 5 h; evapd. in vacuo, extd. (hot hexane), crystd. from hexane; | 100% |
In toluene (evacuated system); mixt. heated at 100°C for 1 h; evapd. solvent; extd. (hexane); elem. anal.; | 90% |
In toluene inert atmosphere; 100°C, 5 h; solvent removal, extn. (ether), evapn.; elem. anal.; | >99 |
3-fluoro-2-methyl-6-nitro-benzoic acid
potassium methanolate
3-Methoxy-2-methyl-6-nitro-benzoic acid
Conditions | Yield |
---|---|
Stage #1: 3-fluoro-2-methyl-6-nitro-benzoic acid; potassium methanolate In tetrahydrofuran; methanol at 100℃; for 2h; Stage #2: With hydrogenchloride; water In tetrahydrofuran; methanol | 100% |
methanol
2-methylthio-4-(morpholin-4-yl)-6-phenylethynyl-pyrimidine-5-carbaldehyde
potassium methanolate
(7Z)-7-benzylidene-5-methoxy-2-methylthio-4-(morpholin-4-yl)-5,7-dihydrofuro[3,4-d]pyrimidine
Conditions | Yield |
---|---|
In 1,2-dichloro-ethane for 0.0833333h; Microwave irradiation; regioselective reaction; | 100% |
Conditions | Yield |
---|---|
With tellurium; bismuth (III) nitrate pentahydrate; 5%-palladium/activated carbon; oxygen In methanol at 60℃; under 760.051 Torr; for 8h; | 100% |
Conditions | Yield |
---|---|
In methanol Schlenk technique; | 100% |
methanol
formaldehyd
potassium methanolate
1,4,7-tris-tert-butoxycarbonylmethyl-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
at 20℃; for 80h; Product distribution / selectivity; | 99.6% |
2-(β-hydroxyethylthio)1,3,2-oxathiastibolane
potassium methanolate
2-(β-hydroxyethylthio)1,3,2-oxathiastibolane(K)
Conditions | Yield |
---|---|
In methanol A soln. of KOMe is added to a suspn. of the Sb-compd., mixt. is refluxed for about 1 h.; Excess CH3OH is removed under vac., product is washed with CH2Cl2, elem. anal.; | 99.56% |
potassium methanolate
Conditions | Yield |
---|---|
In methanol anhydrous conditions; molar ratio 1 : 1, refluxing (1 h); solvent removal (reduced pressure, pptn.), recrystn. (DMSO/benzene); elem. anal.; | 99% |
H{Sb(OC(CH3)2C(CH3)2O)2}
potassium methanolate
Conditions | Yield |
---|---|
In methanol anhyd. conditions, molar ratio 1:1, refluxed 1 h; solvent removed in vac., recrystd. (DMSO/dichlorometane); elem. anal., mol.wt. detn.; | 99% |
Conditions | Yield |
---|---|
In benzene byproducts: KCl; rigorously anhydrous conditions; stoichiometric amounts;; elem. anal.;; | 99% |
Conditions | Yield |
---|---|
In methanol at 15℃; for 0.0833333h; | 99% |
potassium methanolate
Conditions | Yield |
---|---|
In methanol at 71℃; for 2.16667h; Large scale; | 99% |
In methanol for 2.5h; Reflux; | 95% |
potassium methanolate
Conditions | Yield |
---|---|
In tetrahydrofuran at 30℃; for 18h; Inert atmosphere; Schlenk technique; chemoselective reaction; | 99% |
potassium methanolate
Conditions | Yield |
---|---|
In tetrahydrofuran at 30℃; for 18h; Inert atmosphere; Schlenk technique; chemoselective reaction; | 99% |
potassium methanolate
Conditions | Yield |
---|---|
Stage #1: potassium methanolate In 1,2-dimethoxyethane at -10℃; for 0.0833333h; Inert atmosphere; Schlenk technique; Stage #2: (3-(trifluoromethyl)but-3-en-1-yn-1-yl)benzene In 1,2-dimethoxyethane at -10℃; for 22h; Inert atmosphere; Schlenk technique; | 99% |
potassium methanolate
Conditions | Yield |
---|---|
In tetrahydrofuran at 30℃; for 18h; Inert atmosphere; Schlenk technique; chemoselective reaction; | 99% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 30℃; for 18h; Inert atmosphere; Schlenk technique; chemoselective reaction; | 99% |
1-methoxy-4-(3-(trifluoromethyl)but-3-en-1-yn-1-yl)benzene
potassium methanolate
Conditions | Yield |
---|---|
In tetrahydrofuran at 30℃; for 18h; Inert atmosphere; Schlenk technique; chemoselective reaction; | 99% |
1-chloro-4-(3-(trifluoromethyl)but-3-en-1-yn-1-yl)benzene
potassium methanolate
Conditions | Yield |
---|---|
In tetrahydrofuran at 30℃; for 18h; Inert atmosphere; Schlenk technique; chemoselective reaction; | 99% |
potassium methanolate
Conditions | Yield |
---|---|
In tetrahydrofuran at 30℃; for 18h; Inert atmosphere; Schlenk technique; chemoselective reaction; | 99% |
1-(3-(trifluoromethyl)but-3-en-1-yn-1-yl)naphthalene
potassium methanolate
Conditions | Yield |
---|---|
In tetrahydrofuran at 30℃; for 18h; Inert atmosphere; Schlenk technique; chemoselective reaction; | 99% |
potassium methanolate
bis(2,2-dimethylpropanoic) selenoanhydride
potassium 1,1-dimethylethanecarboselenoate
Conditions | Yield |
---|---|
In diethyl ether; hexane at 0℃; for 3h; | 98% |
potassium methanolate
Conditions | Yield |
---|---|
In methanol anhydrous conditions; molar ratio 1 : 1, refluxing (1 h); solvent removal (reduced pressure, pptn.), recrystn. (DMSO/benzene); elem. anal.; | 98% |
potassium methanolate
Conditions | Yield |
---|---|
In methanol Al-compd.:alkali-compd. molar ratio was 1:1, alcoholate-compd. in MeOH was added to MeOH suspn. of Al-compd., reflux for 1.5 h; MeOH was removed in vac., recrystn. from DMSO:CH2Cl2 (6:1), elem. anal.; | 98% |
potassium methanolate
Conditions | Yield |
---|---|
In methanol Al-compd.:alkali-compd. molar ratio was 1:1, alcoholate-compd. in MeOH was added to MeOH suspn. of Al-compd., reflux for 1.5 h; MeOH was removed in vac., recrystn. from DMSO:CH2Cl2 (6:1), elem. anal.; | 98% |
Conditions | Yield |
---|---|
In diethyl ether at 20℃; | 98% |
potassium methanolate
Conditions | Yield |
---|---|
In tetrahydrofuran at 30℃; for 18h; Temperature; Inert atmosphere; Schlenk technique; chemoselective reaction; | 98% |
hexachlorotropone
potassium methanolate
Pentachlorbenzoesaeure-methylester
Conditions | Yield |
---|---|
In toluene at 0℃; for 2h; | 97% |
potassium methanolate
benzene-1,2-diol
tris(1,2-benzenediolato-O,O′)germanate
Conditions | Yield |
---|---|
With 2,3-butanediol In methanol (N2); added a soln. of CH3OK and than a soln. of catechol and 2,3-butanediol to suspn. of GeO2; refluxed for 2 h; evapd.; washed with ether; dried in vacuo; IR; | 97% |
In methanol soln. of MeOK is added to suspension of GeO2 under N2, soln. of catechol is added at room temp., mixt. is stirred and heated under reflux for 72 h; evapn., washing (ether); | 95% |
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