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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inquiryAs 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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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
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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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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
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inquiry1.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
L-QUEBRACHITOL CAS:642-38-6 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 intermediate
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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
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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
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inquiryL-QUEBRACHITOL Basic information Product Name: L-QUEBRACHITOL Synonyms: L-CHIRO-
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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
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inquiryWhy Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu
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
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inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
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inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
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inquiryHubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)
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inquiryShandong Mopai Biotechnology 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 chemicals. W
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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
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inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
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inquiryHangzhou Dingyan Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best quality in yo
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inquiryThe quality is guaranteed. If you find the product is wrong compared with COA, we promise 100% refund or change product. COA and HPLC will be shipped out with goods. You can also inform your analysis method and we will follow your analysis me
1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment . Application:Herbal extr
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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
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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inquiryhigh 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
ADVANTAGE: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 day2. The products are provided with COA, HPLC, NMR, quality assurance, pac
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inquiry2-Methoxypropene
quebrachitol
1L-3,4,:5,6-di-O-isopropylidene-2-O-methyl-chiro-inositol
Conditions | Yield |
---|---|
With hydrogenchloride In N,N-dimethyl-formamide at 60℃; for 2h; | 96% |
camphor-10-sulfonic acid In N,N-dimethyl-formamide at 20 - 60℃; for 5h; Cyclization; | 91% |
With camphor-10-sulfonic acid In N,N-dimethyl-formamide at 60℃; for 4h; | 85% |
quebrachitol
1L-chiro-inositol
Conditions | Yield |
---|---|
With hydrogen iodide | 93% |
With hydrogen iodide for 2h; Heating; | 80% |
With hydrogen iodide |
quebrachitol
benzoyl chloride
L-1,3,4,5,6-penta-O-benzoyl-2-O-methyl-chiro-inositol
Conditions | Yield |
---|---|
With pyridine at 80 - 90℃; for 6h; | 89% |
With dmap In pyridine at 20℃; Acylation; |
quebrachitol
2,2-dimethoxy-propane
A
1L-3,4,:5,6-di-O-isopropylidene-2-O-methyl-chiro-inositol
B
1L-5,6-O-Isopropyliden-2-O-methyl-chiro-inosit
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In N,N-dimethyl-formamide at 80℃; for 20h; | A 85% B 10% |
With toluene-4-sulfonic acid In N,N-dimethyl-formamide for 16h; Ambient temperature; | A 6.9 g B n/a |
cycloxexanone dimethyl ketal
quebrachitol
A
L-3,4:5.6-di-O-cyclohexylidene-2-O-methyl-(-)-chiro-inositol
B
1L-1,2-O-cyclohexylidene-5-O-methyl-chiro-inositol
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In N,N-dimethyl-formamide at 20 - 105℃; for 22.5h; | A 71% B 9% |
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide | 55% |
quebrachitol
(1S,2S,3R,4S,5S,6S)-1-fluoro-2-O-(methyl)cyclohexane-2,3,4,5,6-pentol
Conditions | Yield |
---|---|
With 4,4'-diaminostilbene-2,2'-disulfonic acid In dichloromethane at -30 - 20℃; | 54% |
With (diethylamido)sulfur trifluoride In dichloromethane 1.) -40 dec C to -30 deg C, 30 min, 2.) -20 deg C, 2.5 h, 3.) 0 deg C, 2.8 h then r.t., 30 min; | 53% |
With diethylamino-sulfur trifluoride In dichloromethane at 20℃; for 4h; |
Conditions | Yield |
---|---|
With pyridine at 0 - 10℃; for 6h; | A 20% B 20% C 50% |
quebrachitol
benzoyl chloride
A
L-1,3,4,5,6-penta-O-benzoyl-2-O-methyl-chiro-inositol
B
C28H26O9
C
C35H30O10
Conditions | Yield |
---|---|
With pyridine at 0 - 10℃; for 6h; | A 20% B 20% C 40% |
quebrachitol
Conditions | Yield |
---|---|
With 18F-fluoride; diethylamino-sulfur trifluoride In chloroform for 0.5h; Ambient temperature; | 10.6% |
quebrachitol
(1S)-1,3,4,5,6-penta-O-nitro-2-O-methyl-asymm.-inositol
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid |
quebrachitol
chiro-inositol
Conditions | Yield |
---|---|
With hydrogenchloride; acetic acid at 160℃; Kochen des Reaktionsprodukts mit Wasser und Ba(OH)2; |
chloro-trimethyl-silane
quebrachitol
(2S,3R,5R,6S)-1-Methoxy-2,3,4,5,6-pentakis-trimethylsilanyloxy-cyclohexane
Conditions | Yield |
---|---|
With 1,1,1,3,3,3-hexamethyl-disilazane In pyridine |
1-ethoxycyclohexene
quebrachitol
L-3,4:5.6-di-O-cyclohexylidene-2-O-methyl-(-)-chiro-inositol
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In N,N-dimethyl-formamide |
quebrachitol
A
D-3-deoxy-3-fluoro-1-O-methyl-myo-inositol
B
(1S,2S,3R,4S,5S,6S)-1-fluoro-2-O-(methyl)cyclohexane-2,3,4,5,6-pentol
Conditions | Yield |
---|---|
With diethylamino-sulfur trifluoride at 20℃; for 0.75h; Yield given; |
quebrachitol
2,2-dimethoxy-propane
1L-3,4,:5,6-di-O-isopropylidene-2-O-methyl-chiro-inositol
quebrachitol
cyclohexanone
L-3,4:5.6-di-O-cyclohexylidene-2-O-methyl-(-)-chiro-inositol
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene | |
With sulfuric acid In N,N-dimethyl-formamide; benzene |
quebrachitol
Conditions | Yield |
---|---|
With sulfuric acid; acetic acid Heating; Irradiation; |
quebrachitol
3-O-Methyl-D-myo-inosose-(1)
Conditions | Yield |
---|---|
With oxygen; platinum on activated charcoal In water |
Conditions | Yield |
---|---|
at 160℃; Kochen des Reaktionsprodukts mit Ba(OH)2 in Wasser; |
quebrachitol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 71 percent / p-TsOH*H2O / dimethylformamide / 22.5 h / 20 - 105 °C 2: 94 percent / NaH / dimethylformamide / 0 - 20 °C 3: 71 percent / aq. HCl / methanol / 20 °C View Scheme |
quebrachitol
1L-3,4:5,6-di-O-cyclohexylidene-1,2-di-O-methyl-chiro-inositol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 71 percent / p-TsOH*H2O / dimethylformamide / 22.5 h / 20 - 105 °C 2: 94 percent / NaH / dimethylformamide / 0 - 20 °C View Scheme |
quebrachitol
1L-1-O-benzoyl-3,4:5,6-di-O-cyclohexylidene-2-O-methyl-chiro-inositol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 71 percent / p-TsOH*H2O / dimethylformamide / 22.5 h / 20 - 105 °C 2: 98 percent / DMAP; Et3N / CH2Cl2 / 120 h / 20 °C View Scheme |
quebrachitol
1-O-benzoyl-2-O-methyl-(-)-chiro-inositol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 71 percent / p-TsOH*H2O / dimethylformamide / 22.5 h / 20 - 105 °C 2: 98 percent / DMAP; Et3N / CH2Cl2 / 120 h / 20 °C 3: 88 percent / aq. HCl / acetone; H2O / 48 h / 20 °C View Scheme |
quebrachitol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: diethylaminosulfur trifluoride / CH2Cl2 / 4 h / 20 °C 2.1: 61 percent / 1,2-dichloro-ethane / 6 h / Heating 3.1: H2 / Raney-Nickel / ethanol / 8 h / 20 °C 3.2: triethylamine / ethanol / 8 h / 20 °C View Scheme |
quebrachitol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: diethylaminosulfur trifluoride / CH2Cl2 / 4 h / 20 °C 2.1: 61 percent / 1,2-dichloro-ethane / 6 h / Heating 3.1: H2 / Raney-Nickel / ethanol / 8 h / 20 °C 3.2: triethylamine / ethanol / 8 h / 20 °C View Scheme |
quebrachitol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: diethylaminosulfur trifluoride / CH2Cl2 / 4 h / 20 °C 2.1: 61 percent / 1,2-dichloro-ethane / 6 h / Heating 3.1: H2 / Raney-Nickel / ethanol / 8 h / 20 °C 3.2: triethylamine / ethanol / 8 h / 20 °C View Scheme |
quebrachitol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: diethylaminosulfur trifluoride / CH2Cl2 / 4 h / 20 °C 2.1: 61 percent / 1,2-dichloro-ethane / 6 h / Heating 3.1: H2 / Raney-Nickel / ethanol / 8 h / 20 °C 3.2: triethylamine / ethanol / 8 h / 20 °C View Scheme |
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