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:674-26-0
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryhigh quality Appearance:white powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:674-26-0
Min.Order:1 Gram
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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:674-26-0
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Type:Manufacturers
inquiryProduct Name: DL-Mevalonolactone Synonyms: DL-MEVALONOLACTONE;DL-MEVALOLACTONE;DL-MEVALONIC ACID LACTONE;DL-BETA-HYDROXY-BETA-METHYL-DELTA-VALERO-LACTONE;DL-BETA-HYDROXY-BETA-METHYL-GAMMA-VALEROLACTONE;DL-BETA-HYDROXY-BETA-METHYL-G-VAL
Cas:674-26-0
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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:674-26-0
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FOB Price: $15.0 / 50.0
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:674-26-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:674-26-0
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryProduct Name: DL-Mevalonolactone Synonyms: DL-MEVALONOLACTONE;β-Hydroxy-β-methyl-δ-valerolactone, (±)-β-Hydroxy-β-methyl-δ-valerolactone, (±)-3-Hydroxy-3-methyl δ-valerolactone, (±)-Mev
1.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:674-26-0
Min.Order:1 Gram
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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
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Type:Lab/Research institutions
inquiryBest 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
Factory direct sales, accept customization. Kind Pharma has its own laboratory, we can do analytical testing for API (Active Pharmaceutical Ingredient), pharmaceutical intermediate, pesticide intermediate, additive and other chemical products, so it
J&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:674-26-0
Min.Order:0
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Type:Lab/Research institutions
inquiryGMO-FREE BSE/TSE FREE ALLERGEN FREE PESTICIDES FREE ISO9001 Certified Third Party Test Available Paperwork Supported Plant Audition Accepted Prompt and Secure Shipment Binbo Biological Products Co. Ltd., is a professional high-tech enterp
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Min.Order:1 Kilogram
FOB Price: $5.0 / 50.0
Type:Lab/Research institutions
inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:674-26-0
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
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GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:674-26-0
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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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Cas:674-26-0
Min.Order:0
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Type:Lab/Research institutions
inquiryQ1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you
bulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical
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:674-26-0
Min.Order:0
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Type:Lab/Research institutions
inquiryWe 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:674-26-0
Min.Order:0
Negotiable
Type:Trading Company
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:off-white powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as prima
DL-Mevalonolactone cas 674-26-0Appearance: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 priceAppearance:Moist pale yellow to off white solid Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Conditions | Yield |
---|---|
With pyridinium chlorochromate In dichloromethane for 4h; Ambient temperature; | 92% |
With aluminum oxide; sodium bromite In dichloromethane for 1.5h; Ambient temperature; | 85% |
With peracetic acid; sodium bromide In ethyl acetate at 39.9℃; for 2h; | 83% |
With 1-methyl-1H-imidazole; [2,2]bipyridinyl; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; tetrakis(acetonitrile)copper(I) trifluoromethanesulfonate In acetonitrile at 22℃; for 6h; | 83% |
4-(4-Methoxy-benzyloxymethoxy)-4-methyl-tetrahydro-pyran-2-one
mevalonolactone
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane; water for 10h; Ambient temperature; cleavage of (p-methoxybenzyloxy)methyl protecting group; | 89% |
2,3,5,6-tetrahydro-4-methylpyran-2,4-diol
mevalonolactone
Conditions | Yield |
---|---|
With sodium acetate; pyridinium chlorochromate In dichloromethane for 6h; Ambient temperature; | 82% |
D,L-mevalonic acid
mevalonolactone
Conditions | Yield |
---|---|
With sulfuric acid for 15h; Reflux; | 82% |
Multi-step reaction with 2 steps 1: tetrabutylammomium bromide / tetrahydrofuran / 4 h / 50 °C / Inert atmosphere 2: pyridine / dichloromethane / 0.5 h / 0 °C / Inert atmosphere View Scheme |
trimethylsilyl acetate
4-((trimethylsilyl)oxy)-3-butanone
mevalonolactone
Conditions | Yield |
---|---|
With lithium diisopropyl amide 1.) THF, -78 deg C, 2 h, 2.) -78 deg C, 2 h; | 81% |
ethyl 3-hydroxy-3-methyl-5-<(2-tetrahydropyranyl)-oxy>pentanoate
mevalonolactone
Conditions | Yield |
---|---|
With acetyl chloride In ethanol for 10h; Ambient temperature; | 80% |
With acetyl chloride In ethanol Ambient temperature; overnight; | 22 g |
3-hydroxy-3-methylglutaric anhydride
mevalonolactone
Conditions | Yield |
---|---|
With sodium tetrahydroborate In isopropyl alcohol | 75.6% |
With sodium tetrahydroborate In isopropyl alcohol Ambient temperature; | 300 mg |
With sodium tetrahydroborate In isopropyl alcohol for 24h; Ambient temperature; | |
Multi-step reaction with 2 steps 1: 1.) CH2Cl2, -20 deg C, 7 days 2: 1.) LiCl, NaBH4; 2.) 10percent KOH / 1.) EtOH, 50 deg C, 24 h; 2.) MeOH, 60 deg C, 4h View Scheme |
bis(trichloromethyl) carbonate
benzyl 3,5-dihydroxy-3-methylpentanoate
A
benzyl 2-(4-methyl-2-oxo-1,3-dioxan-4-yl)acetate
B
mevalonolactone
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0℃; for 0.5h; Inert atmosphere; | A 64% B 12% |
5-chloro-3-hydroxy-3-methylvaleric acid
mevalonolactone
Conditions | Yield |
---|---|
With potassium carbonate; Katamin AB In acetone at 40 - 45℃; for 3h; | 60% |
5-[(4-nitrophenyl)methylcarbamoyloxy]-3-hydroxy-3-methylpentanoic acid
mevalonolactone
Conditions | Yield |
---|---|
With sodium hydroxide In methanol at 20℃; Cyclization; Deprotection; | 17% |
Conditions | Yield |
---|---|
With diethyl ether; boron trifluoride behandeln des Reaktionsprodukts mit methanol. Kalilauge und anschliessend mit Chlorwasserstoff enthaltendem Methanol; |
Conditions | Yield |
---|---|
With ozone Behandeln des Reaktionsgemisches mit Natriumboranat in Aethanol und Erhitzen des Reaktionsprodukts mit Aluminiumisopropylat in Xylol; |
Conditions | Yield |
---|---|
With ozone anschliessend mit wss.Wasserstoffperoxid; |
3-acetoxy-3-methylpentane-1,5-dioic acid anhydride
A
4-methyl-5,6-dihydro-2H-pyran-2-one
B
5-O-acetylmevalonic acid
C
mevalonolactone
Conditions | Yield |
---|---|
With sodium tetrahydroborate In isopropyl alcohol for 24h; Ambient temperature; Title compound not separated from byproducts; |
t-butyldimethylsiyl triflate
mevalonolactone
Conditions | Yield |
---|---|
Multistep reaction; |
butyl <2-13C,2H3>acetate
mevalonolactone
Conditions | Yield |
---|---|
0.82 g |
(+/-)-Phaseic acid
B
mevalonolactone
Conditions | Yield |
---|---|
With borane In tetrahydrofuran 1.) -18 deg C, 30 min, 2.) room temp.; | A 1.0 mg B 0.6 mg |
3-Hydroxy-3-methyl-4-(2'-morpholin-4-yl-[1,1']binaphthalenyl-2-ylcarbamoyl)-butyric acid methyl ester
mevalonolactone
Conditions | Yield |
---|---|
With potassium hydroxide; sodium tetrahydroborate; lithium chloride 1.) EtOH, 50 deg C, 24 h; 2.) MeOH, 60 deg C, 4h; Yield given. Multistep reaction; |
mevalonolactone
Conditions | Yield |
---|---|
With barium dihydroxide; water at 120℃; Behandeln des erhaltenen Barium-Salzes mit wss.Schwefelsaeure und Erhitzen des Reaktionsprodukts; |
mevalonolactone
Conditions | Yield |
---|---|
With sodium hydroxide; ethanol Erwaermen der erhaltenen, ueber das N,N'-Dibenzyl-aethylendiamin-Salz gereinigten (+-)-3,5-Dihydroxy-3-methyl-valeriansaeure unter 0.3 Torr; |
mevalonolactone
Conditions | Yield |
---|---|
With methanol; potassium hydroxide anschliessend mit Chlorwasserstoff enthaltendem Methanol; |
mevalonolactone
Conditions | Yield |
---|---|
With hydrogenchloride Behandeln der mit wss.Natronlauge neutralisierten Reaktionsloesung mit Kaliumboranat und anschliessend mit wss.Salzsaeure; |
Conditions | Yield |
---|---|
With sulfuric acid; dihydrogen peroxide |
(R/S)-3-methyl-5-hexene-1,3-diol
mevalonolactone
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 285 mg / DMAP; NEt3 / tetrahydrofuran; toluene / 90 h / 20 °C 2: 4-methylmorpholine N-oxide; OsO4 / CH2Cl2; H2O; 2-methyl-propan-2-ol / 0.75 h 3: 409.1 mg / Pb(OAc)4 / CH2Cl2; H2O; 2-methyl-propan-2-ol / 0.17 h 4: 77 percent / KMnO4 / diethyl ether; aq. phosphate buffer; 2-methyl-propan-2-ol / 0.08 h / 20 °C / pH 7.4 5: 17 percent / NaOH / methanol / 20 °C View Scheme |
(4-nitrophenyl)methylcarbamic acid 3-hydroxy-3-methyl-5-oxopentyl ester
mevalonolactone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 77 percent / KMnO4 / diethyl ether; aq. phosphate buffer; 2-methyl-propan-2-ol / 0.08 h / 20 °C / pH 7.4 2: 17 percent / NaOH / methanol / 20 °C View Scheme |
methyl-(4-nitro-phenyl)-carbamic acid 3-hydroxy-3-methyl-hex-5-enyl ester
mevalonolactone
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 4-methylmorpholine N-oxide; OsO4 / CH2Cl2; H2O; 2-methyl-propan-2-ol / 0.75 h 2: 409.1 mg / Pb(OAc)4 / CH2Cl2; H2O; 2-methyl-propan-2-ol / 0.17 h 3: 77 percent / KMnO4 / diethyl ether; aq. phosphate buffer; 2-methyl-propan-2-ol / 0.08 h / 20 °C / pH 7.4 4: 17 percent / NaOH / methanol / 20 °C View Scheme |
mevalonolactone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 409.1 mg / Pb(OAc)4 / CH2Cl2; H2O; 2-methyl-propan-2-ol / 0.17 h 2: 77 percent / KMnO4 / diethyl ether; aq. phosphate buffer; 2-methyl-propan-2-ol / 0.08 h / 20 °C / pH 7.4 3: 17 percent / NaOH / methanol / 20 °C View Scheme |
1,1-diallylethanol
mevalonolactone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1.) O3, 2.) H2O2 / 1.) CH2Cl2, CH3COOH, -78 deg C, 2.) CH3COOH 2: (CH3CO)2O / 14 h / Ambient temperature 3: 75.6 percent / NaBH4 / propan-2-ol View Scheme | |
Multi-step reaction with 3 steps 1: 1.) ozone, acetic acid, 2.) hydrogen peroxide / 1.) methylene dichloride, -78 deg C, 2.) water, reflux, 13 h 2: 673 mg / acetic anhydride / 72 h / 18 °C / further reagents, reaction conditions 3: 300 mg / sodium borohydride / propan-2-ol / Ambient temperature View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: (CH3CO)2O / 14 h / Ambient temperature 2: 75.6 percent / NaBH4 / propan-2-ol View Scheme | |
Multi-step reaction with 2 steps 1: 673 mg / acetic anhydride / 72 h / 18 °C / further reagents, reaction conditions 2: 300 mg / sodium borohydride / propan-2-ol / Ambient temperature View Scheme | |
Multi-step reaction with 2 steps 1: lithium aluminium tetrahydride / tetrahydrofuran / 16 h / 0 - 20 °C 2: tetrakis(acetonitrile)copper(I) trifluoromethanesulfonate; [2,2]bipyridinyl; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; 1-methyl-1H-imidazole / acetonitrile / 6 h / 22 °C View Scheme |
3,4-dihydro-2H-pyran
mevalonolactone
4-Methyl-4-(tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-one
Conditions | Yield |
---|---|
triphenylphosphine hydrobromide In dichloromethane for 7h; Ambient temperature; | 96% |
With lithium hexafluorophosphate In hexane at 0℃; for 4.5h; | 49% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene for 19h; Reflux; | 93% |
With PPA | 89% |
With toluene-4-sulfonic acid In benzene for 20h; Reflux; Dean-Stark; | 89% |
para-methoxybenzyl chloride
mevalonolactone
4-(4-Methoxy-benzyloxymethoxy)-4-methyl-tetrahydro-pyran-2-one
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane for 30h; Ambient temperature; | 84% |
benzyl isothiocyanate
mevalonolactone
Benzyl-carbamic acid 4-methyl-2-oxo-tetrahydro-pyran-4-yl ester
Conditions | Yield |
---|---|
copper(l) chloride In N,N-dimethyl-formamide Ambient temperature; | 80% |
Conditions | Yield |
---|---|
With nitric acid; sodium nitrite at 35 - 40℃; for 5h; | 76% |
With nitric acid at 40℃; for 4h; Cooling with ice; | 57% |
9-ethyl-9H-carbazol-3-ylamine
mevalonolactone
N-(9-ethyl-9H-carbazol-3-yl)-3,5-dihydroxy-3-methylpentanamide
Conditions | Yield |
---|---|
Stage #1: 9-ethyl-9H-carbazol-3-ylamine With trimethylaluminum In toluene at 10 - 35℃; for 0.5h; Stage #2: mevalonolactone In toluene at 0℃; for 4h; | 74% |
Conditions | Yield |
---|---|
With 1-butyl-3-methylimidazolium Tetrafluoroborate In 1,4-dioxane at 240℃; for 0.583333h; Microwave irradiation; | 73% |
benzyl bromide
mevalonolactone
benzyl 3,5-dihydroxy-3-methylpentanoate
Conditions | Yield |
---|---|
Stage #1: mevalonolactone With water; potassium hydroxide at 20 - 40℃; for 1h; Stage #2: benzyl bromide With hydrogenchloride; tetrabutylammomium bromide In tetrahydrofuran; water at 20 - 50℃; for 4h; pH=7 - 8; | 69% |
2,3,4,5,6-pentafluorobenzylamine
mevalonolactone
3,5-Dihydroxy-3-methyl-N-((perfluorophenyl)methyl)pentanamide
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 80℃; for 12h; Inert atmosphere; | 53% |
2,3,4,5,6-pentafluorobenzamide
mevalonolactone
3,5-Dihydroxy-3-methyl-N-((perfluorophenyl)methyl)pentanamide
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 20 - 80℃; for 12h; Inert atmosphere; | 53% |
Conditions | Yield |
---|---|
With sodium hydroxide In water at 55℃; for 5h; Heating; | 47% |
mevalonolactone
3,5-dihydroxy-3-methyl-valeraldehyde-(2,4-dinitro-phenylhydrazone)
Conditions | Yield |
---|---|
With tetrahydrofuran; lithium aluminium tetrahydride Erwaermen des Reaktionsprodukts mit <2,4-Dinitro-phenyl>-hydrazin und wss.-methanol. HCl; |
Benzhydrylamine
mevalonolactone
(+/-)-3,5-dihydroxy-3-methyl-valeric acid benzhydrylamide
Conditions | Yield |
---|---|
at 110℃; for 1h; |
mevalonolactone
methyl iodide
3,5-dihydroxy-3-methylpentanoic acid methyl ester
Conditions | Yield |
---|---|
(i) ion-exchange resin + form>, H2O, (ii) Ag2O, (iii) /BRN= 969135/, THF; Multistep reaction; |
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran | |
With lithium aluminium tetrahydride In tetrahydrofuran for 18h; Reflux; | 2.1 g |
(R)-1-(1-Naphthyl)ethylamine
(R)-methoxytrifluoromethylphenylacetyl chloride
mevalonolactone
(R)-3,3,3-Trifluoro-2-methoxy-2-phenyl-propionic acid 3-hydroxy-3-methyl-4-((R)-1-naphthalen-1-yl-ethylcarbamoyl)-butyl ester
Conditions | Yield |
---|---|
With pyridine 1.) 70- 80 deg C, 3 h, 2.) RT; Multistep reaction; |
Conditions | Yield |
---|---|
With arsenite rat liver extracts, phosphate buffer, pH 7.4, sucrose; |
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