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
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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
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inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% -----------------------------------------------------------------------------------------------------------
Cas:609-06-3
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inquiryUnique advantages of L-Xylose Cas 609-06-3 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White to off-white crystalline powder Storage:Cool dry place Package:100g,1kg/
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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
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
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inquiryADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,
GIHI CHEMICALS exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, GIHI CHEMICALS is your best choice. pls contact with us freely for getting detailed prod
Our advantage:Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scient
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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
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inquiryName L-Xylose Synonyms L-Xylose;L -xylopyranose; alpha-L-xylopyranose; beta-L-xylopyranose Molecular Structure Molecular Formula C5H10O5 Molecular Weight 150.13 CAS Registry Number
1.No Less 8 years exporting experience. Clients 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 Specialized
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inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
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inquiryPRODUCT DETAILS
Cas:609-06-3
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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
Appearance:White crystalline powder Storage:normal temperature Application:intermediate
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
NewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated monomers, as well as next-generation antiviral and antitumor drug intermed
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
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inquiryOur Strength: -Flexible: We work in small teams with rapid communication channels. Respond quickly and efficiently to customer and market needs. -Innovative: We are focusing on the development of new products and keep close relationships with
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Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
Senova Tech is a leading supplier for APIs (mainly for new generics), advanced intermediates and related products based in China since 2013, our headquarter office locates in Shenzhen (a city takes about 1 hour drive from Hongkong) mainly handle ma
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inquiryOur advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be
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inquiryQuality assurance, stable process and affordable price; Production from gram level to ton level can be provided,now there're many in stock. Application:pharmaceutical intermediates
Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api
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inquiry(2S,3R,4S)-5,5-Diethoxy-pentane-1,2,3,4-tetraol
L-xylose
Conditions | Yield |
---|---|
With hydrogenchloride In tetrahydrofuran | 95% |
Tetra-O-acetyl-aldehydo-L-xylose
L-xylose
Conditions | Yield |
---|---|
With sodium ethanolate at 20 - 30℃; | 92% |
Conditions | Yield |
---|---|
With molybdenum(VI) oxide In water at 90℃; for 9h; Bilik reaction; | A n/a B n/a C 19% |
(2S,3S,4R)-5-hexene-1,2,3,4-tetrol
L-xylose
Conditions | Yield |
---|---|
With ozone; sodium sulfite 1.) MeOH, -78 deg C, 2. a) -78 deg C, 1 h, b) r.t., 15 h; Yield given. Multistep reaction; |
3,4,5,6-tetra-O-acetyl-1,2-dideoxy-L-xylo-hex-1-enitol
L-xylose
Conditions | Yield |
---|---|
Yield given. Multistep reaction; |
water
ascorbic acid
A
furfural
B
L-xylose
C
carbon dioxide
L-xylose
Conditions | Yield |
---|---|
With lead(IV) acetate; acetic acid anschliessendes Erwaermen mit wss.Schwefelsaeure; | |
With lead(II,IV) oxide; acetic acid anschliessendes Behandeln mit wss.Schwefelsaeure,zuletz bei 100grad; | |
With sodium periodate anschliessendes Behandeln mit wss.Saeure; |
L-xylose
Conditions | Yield |
---|---|
With lead(IV) acetate; acetic acid Erwaermen des Reaktionsprodukts mit wss.Essigsaeure; | |
With water; periodic acid Erwaermen des Reaktionsprodukts mit Essigsaeure; |
L-xylose
Conditions | Yield |
---|---|
With lead(IV) acetate; ammonium hydroxide; acetic acid anschliessendes Erhitzen; |
(S)-cyclohexylidene glyceraldehyde
A
L-xylose
B
L-lyxose
C
L-ribose
D
L-arabinose
Conditions | Yield |
---|---|
In dichloromethane Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts; | |
In dichloromethane Ambient temperature; Yield given. Yields of byproduct given; |
(S)-cyclohexylidene glyceraldehyde
A
L-xylose
B
L-lyxose
C
L-ribose
D
L-arabinose
Conditions | Yield |
---|---|
Yield given. Multistep reaction. Yields of byproduct given; |
D-sorbitol
water
A
D-Arabinose
B
L-xylose
C
L-gulose
D
D-glucose
Conditions | Yield |
---|---|
at 100℃; |
dihydrogen peroxide
L-gulonic acid ; calcium compound
L-xylose
2,3,4,5-tetra-O-tert-butyldimethylsilyl-L-xylose
L-xylose
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran at 0℃; for 2h; |
Conditions | Yield |
---|---|
With hydrogenchloride at 90℃; for 0.5h; | A n/a B n/a C 3.5 mg |
5,6-di-O-isopropylidene-D-glucono-1,4-lactone
L-xylose
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 92 percent / pyridine / dimethylformamide / 20 h / 20 °C 2: 100 percent / NaBH4 / tetrahydrofuran; H2O / 2 h / 20 °C 3: 90 percent / pyridine / dimethylformamide / 15 h / 24 °C 4: 92 percent / SnCl2 / CH2Cl2 / 0.5 h / 20 °C 5: 73 percent / Dess-Martin periodinane / CH2Cl2 / 10 h / 20 °C 6: TBAF / tetrahydrofuran / 2 h / 0 °C View Scheme | |
Multi-step reaction with 6 steps 1: 92 percent / pyridine / dimethylformamide / 20 h / 20 °C 2: 100 percent / NaBH4 / tetrahydrofuran; H2O / 2 h / 20 °C 3: 90 percent / pyridine / dimethylformamide / 15 h / 24 °C 4: 70 percent / BCl3 / CH2Cl2 / 0.08 h / -78 °C 5: 73 percent / Dess-Martin periodinane / CH2Cl2 / 10 h / 20 °C 6: TBAF / tetrahydrofuran / 2 h / 0 °C View Scheme |
2,3-bis-O-(tert-butyldimethylsilyl)-5,6-O-isopropylidene-D-glucono-1,4-lactone
L-xylose
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 100 percent / NaBH4 / tetrahydrofuran; H2O / 2 h / 20 °C 2: 90 percent / pyridine / dimethylformamide / 15 h / 24 °C 3: 92 percent / SnCl2 / CH2Cl2 / 0.5 h / 20 °C 4: 73 percent / Dess-Martin periodinane / CH2Cl2 / 10 h / 20 °C 5: TBAF / tetrahydrofuran / 2 h / 0 °C View Scheme | |
Multi-step reaction with 5 steps 1: 100 percent / NaBH4 / tetrahydrofuran; H2O / 2 h / 20 °C 2: 90 percent / pyridine / dimethylformamide / 15 h / 24 °C 3: 70 percent / BCl3 / CH2Cl2 / 0.08 h / -78 °C 4: 73 percent / Dess-Martin periodinane / CH2Cl2 / 10 h / 20 °C 5: TBAF / tetrahydrofuran / 2 h / 0 °C View Scheme |
(1R,2S,3S)-2,3-Bis-(tert-butyl-dimethyl-silanyloxy)-1-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-butane-1,4-diol
L-xylose
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 90 percent / pyridine / dimethylformamide / 15 h / 24 °C 2: 92 percent / SnCl2 / CH2Cl2 / 0.5 h / 20 °C 3: 73 percent / Dess-Martin periodinane / CH2Cl2 / 10 h / 20 °C 4: TBAF / tetrahydrofuran / 2 h / 0 °C View Scheme | |
Multi-step reaction with 4 steps 1: 90 percent / pyridine / dimethylformamide / 15 h / 24 °C 2: 70 percent / BCl3 / CH2Cl2 / 0.08 h / -78 °C 3: 73 percent / Dess-Martin periodinane / CH2Cl2 / 10 h / 20 °C 4: TBAF / tetrahydrofuran / 2 h / 0 °C View Scheme |
(3S,4S)-5,5-Diethoxy-1,3,4-trihydroxy-pentan-2-one
L-xylose
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 69 percent / L-iditol dehydrogenase, triosephosphate isomerase, formate dehydrogenase, sodium formate 2: 95 percent / 0.5 M aq. HCl / tetrahydrofuran View Scheme |
5,6-dideoxy-D-threo-hex-5-en-2-ulose
L-xylose
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 61 percent / phosphate buffer (pH 7.0), sodium formate, NADH sodium salt / H2O / 72 h / Ambient temperature; sorbitol dehydrogenase (EC 1.1.1.14) from sheep liver, formate dehydrogenase (EC 1.2.1.2) from yeast 2: 1.) O3, 2.) Na2SO3 / 1.) MeOH, -78 deg C, 2. a) -78 deg C, 1 h, b) r.t., 15 h View Scheme |
Conditions | Yield |
---|---|
With methanol; water Product distribution / selectivity; Electrochemical reaction; |
Conditions | Yield |
---|---|
With dihydrogen peroxide; Fe2(SO4)3 |
Conditions | Yield |
---|---|
With recombinant alditol oxidase from Streptomyces coelicolor A3(2); catalase from bovine liver at 20℃; for 4h; pH=7.5; Kinetics; Reagent/catalyst; Temperature; pH-value; aq. phosphate buffer; Enzymatic reaction; regioselective reaction; | |
With sulfuric acid; quinolinium dichromate(VI) In water at 19.84℃; Kinetics; Mechanism; Temperature; Reagent/catalyst; |
Conditions | Yield |
---|---|
With hydrogenchloride; water In 1,4-dioxane at 100℃; for 2h; | A n/a B n/a C n/a D 2.4 mg |
Conditions | Yield |
---|---|
With hydrogenchloride; water for 4h; Reflux; |
A
D-Mannose
B
L-xylose
C
D-glucose
D
D-Galactose
E
D-Glucuronic acid
F
D-galacturonic acid
Conditions | Yield |
---|---|
With water; trifluoroacetic acid at 110℃; for 3h; |
Conditions | Yield |
---|---|
With hydrogen In water at 150℃; under 37503.8 Torr; for 2h; Catalytic behavior; Solvent; Concentration; Reagent/catalyst; Temperature; Pressure; Sealed tube; | 98% |
With sodium amalgam | |
With hydrogen; nickel In methanol; ethanol; water at 50℃; under 760.051 Torr; Product distribution / selectivity; | |
With Ru/TiO2; hydrogen In water at 120℃; under 15001.5 Torr; Temperature; Time; Autoclave; |
methanol
L-xylose
(2S,3S,4S)-2-(hydroxymethyl)-5-methoxyoxolane-3,4-diol
Conditions | Yield |
---|---|
With hydrogenchloride | 95% |
With hydrogenchloride at 5 - 10℃; | |
With hydrogenchloride Reflux; | |
With sulfuric acid at 20℃; for 5h; | |
Stage #1: methanol; L-xylose With hydrogenchloride at 55℃; for 21h; Stage #2: With silver carbonate In methanol at 25℃; for 0.5h; |
L-xylose
acetone
(3aS,3bR,7aS,8aS)-2,2,5,5-tetramethyltetrahydro-3aH-[1,3]dioxolo[4',5':4,5]furo[3,2-d][1,3]dioxane
Conditions | Yield |
---|---|
With malonic acid; choline chloride for 0.666667h; Inert atmosphere; Reflux; | 95% |
With sulfuric acid; copper(II) sulfate at 25℃; for 24h; | 86% |
With sulfuric acid; magnesium sulfate at 20 - 30℃; for 12h; | 84.3% |
Conditions | Yield |
---|---|
In ethanol | 93% |
L-xylose
trans-2-phenylvinylboronic acid
1-amino-2-propene
(6E)-5-(allylamino)-5,6,7-trideoxy-7-phenyl-D-gluco-hept-6-enitol
Conditions | Yield |
---|---|
In ethanol at 20℃; for 72h; | 92% |
In ethanol at 20℃; for 16h; Petasis reaction; | 73% |
Conditions | Yield |
---|---|
89% |
Conditions | Yield |
---|---|
In methanol | 88% |
Conditions | Yield |
---|---|
Stage #1: L-xylose; acetone With sulfuric acid; magnesium sulfate at 20 - 24℃; for 17.25h; Industry scale; Stage #2: With hydrogenchloride In water at 20℃; for 6h; pH=2; | 86% |
Stage #1: L-xylose; acetone With magnesium sulphate; sulfuric acid at 20 - 24℃; for 17.25h; Stage #2: With hydrogenchloride In water at 20℃; for 6h; pH=2; | 86% |
With hydrogenchloride; sulfuric acid; copper(II) sulfate Yield given. Multistep reaction; | |
Stage #1: L-xylose; acetone With sulfuric acid; copper(II) sulfate at 20℃; for 24h; Stage #2: With hydrogenchloride at 20℃; for 1h; Further stages.; | |
Stage #1: L-xylose; acetone With sulfuric acid; copper(II) sulfate Stage #2: With hydrogenchloride; water |
L-xylose
Isopropyl acetate
(3aS,5R,6S,6aS)-5-hydroxymethyl-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxolane-6-ol
Conditions | Yield |
---|---|
Stage #1: L-xylose With sulfuric acid; magnesium sulfate In acetone at 20 - 30℃; Stage #2: With hydrogenchloride In water at 20 - 30℃; for 8h; pH=2-3; Stage #3: Isopropyl acetate In water at 0 - 5℃; for 3h; | 84.2% |
Conditions | Yield |
---|---|
With dimethylbromosulphonium bromide at 0 - 5℃; for 0.583333h; neat (no solvent); | 83% |
With hydrogenchloride | |
With hydrogenchloride | |
With hydrogenchloride for 0.25h; Ambient temperature; |
Conditions | Yield |
---|---|
Stage #1: L-xylose With cerium(III) chloride heptahydrate; silica gel; sodium iodide In acetonitrile for 1h; Stage #2: benzyl acetoacetate In acetonitrile at 50℃; for 24h; | 77% |
L-xylose
2-{5-[5-C-(1,4-anhydro-β-D-erythrotetrofuranosyl)-2-methylfuran-3-yl]-1,3,4-oxadiazol-2-ylthio}acetohydrazide
Conditions | Yield |
---|---|
With acetic acid In ethanol; water Reflux; | 74% |
L-xylose
Conditions | Yield |
---|---|
Stage #1: L-xylose; (R)-tert-butyl (3-(3,5-diamino-6-chloropyrazine-2-carboxamido)-2-(2-methylbenzyl)propyl)(4-((2-(hexylamino)ethyl)carbamoyl)benzyl)carbamate With N-ethyl-N,N-diisopropylamine In methanol at 20℃; for 1h; Stage #2: With sodium cyanoborohydride; acetic acid In methanol at 50℃; for 20h; | 69.7% |
Conditions | Yield |
---|---|
With sulfuric acid at 0 - 30℃; Inert atmosphere; | 64.6% |
Conditions | Yield |
---|---|
Stage #1: L-xylose With bromine; potassium carbonate In water at 0 - 20℃; Stage #2: trityl chloride With pyridine; dmap Heating; | 63% |
Conditions | Yield |
---|---|
In ethanol Ambient temperature; | 61% |
Conditions | Yield |
---|---|
With 1% Pd on activated carbon; hydrogen In water at 140℃; under 37503.8 Torr; for 2h; Reagent/catalyst; Sealed tube; | A n/a B 58% |
L-xylose
ethyl 4-benzyloxyacetoacetate
ethyl 2-methyl-5-(L-threo-1,2,3-trihydroxyprop-1-yl)furan-3-carboxylate
Conditions | Yield |
---|---|
Stage #1: L-xylose With cerium(III) chloride heptahydrate; silica gel; sodium iodide In acetonitrile for 1h; Stage #2: ethyl 4-benzyloxyacetoacetate In acetonitrile at 50℃; for 24h; | 50% |
Conditions | Yield |
---|---|
Stage #1: L-xylose With bromine; potassium carbonate In water at 0 - 20℃; for 2h; Stage #2: benzaldehyde With sulfuric acid In tetrahydrofuran at 0 - 20℃; | 49% |
L-xylose
4-hydroxy-3-(3-(methoxyamino)-1-phenylbutyl)-2H-1-benzopyran-2-one
C25H29NO8
Conditions | Yield |
---|---|
With acetic acid In N,N-dimethyl-formamide at 50℃; | 45% |
Conditions | Yield |
---|---|
With copper diacetate In methanol; water Reflux; | 40% |
With methanol; copper diacetate | |
With copper diacetate In methanol for 0.166667h; Heating; |
Conditions | Yield |
---|---|
In ethanol at 0℃; | 32% |
L-xylose
(3S)-O-(N-methoxyglycyl)betulinic acid
(3S)-O-(N-methoxy-N-β-L-xylosylglycyl)betulinic acid
Conditions | Yield |
---|---|
In methanol; dichloromethane at 40℃; for 48h; | 27% |
Conditions | Yield |
---|---|
With trifluoroacetic acid In water at 50 - 60℃; for 12h; | 20% |
Conditions | Yield |
---|---|
With sulfuric acid at 5 - 30℃; Inert atmosphere; | 16.7% |
methanol
L-xylose
methyl-xylofuranoside
Conditions | Yield |
---|---|
With hydrogenchloride at 100℃; β-methyl-l-xyloside; | |
With hydrogenchloride at 100℃; α-methyl-l-xyloside; |
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