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:6236-10-8
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiry1. 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:6236-10-8
Min.Order:1 Gram
FOB Price: $0.1
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:6236-10-8
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:6236-10-8
Min.Order:10 Kilogram
FOB Price: $120.0 / 140.0
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:6236-10-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry(R)-(-)-CITRAMALIC ACID CAS:6236-10-8 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 in
Cas:6236-10-8
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:6236-10-8
Min.Order:1 Kilogram
Negotiable
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
Cas:6236-10-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProName: (R)-(-)-citramalic acid CasNo: 6236-10-8 Molecular Formula: C5H8O5 Appearance: detailed see specifications Application: An important raw material and intermed... DeliveryTime: prompt PackAge: according to the clients requirement Por
Cas:6236-10-8
Min.Order:1 Gram
FOB Price: $6.0 / 9.0
Type:Trading Company
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:6236-10-8
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
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
Cas:6236-10-8
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
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
Cas:6236-10-8
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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
Cas:6236-10-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:6236-10-8
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryWe 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
Cas:6236-10-8
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiry(2R)-2-hydroxy-2-methylbutanedioic acidAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
Cas:6236-10-8
Min.Order:0
Negotiable
Type:Trading Company
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
high 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
1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:6236-10-8
Min.Order:0
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 powder2.
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:6236-10-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry(R)-(-)-CITRAMALIC ACID Application:(R)-(-)-CITRAMALIC ACID
Best quality with low priceAppearance:white fine crystalline powder 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
Hangzhou ZeErRui Chemical Co., Ltd. is focused on customization, research and development and production of APIs and advanced intermediates, which can effectively compensate for the deficiencies of traditional CRO and CMO. Priority of high-tech barri
Wuhan Xinweiye Chemical Co., Ltd. is mainly engaged in the process development and production of customized synthesis and pharmaceutical intermediates. We have professional researchers in organic synthesis, analytical chemistry and production process
(R)-(-)-CITRAMALIC ACIDAppearance:white fine crystalline powder Storage:2-8°C Package:As requested Application:6236-10-8 Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport) or by sea LCL/FCL f
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
factory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
((3R,8aS)-3-Methyl-1,4-dioxo-hexahydro-pyrrolo[2,1-c][1,4]oxazin-3-yl)-acetic acid ethyl ester
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
With hydrogenchloride for 5h; Heating; | 100% |
(S)-4-methyl-4-(trichloromethyl)-2-oxetanone
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
With sodium hydroxide at 20℃; for 18h; Hydrolysis; | 91% |
With sodium hydroxide In water 1.) 5 deg C; 2.) room temperature; |
trans-2-phenylcyclohexyl citramalate
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
With potassium hydroxide In tetrahydrofuran at 60℃; for 24h; | 87% |
2-hydroxy-2-methylbutane-1,4-dioic acid
A
L-malic acid
B
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
With formaldehyd; TETRACYCLINE; paraquat dichloride In water at 37℃; for 69h; Clostridium formicoaceticum, phosphate buffer; | A 84.8% B 81.8% |
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
With barium dihydroxide; water for 48h; Heating; | 81% |
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
Stage #1: (-)-Isotetradehydrofurospongin-1 With ozone In dichloromethane at -78℃; Stage #2: With jones reagent In dichloromethane at 20℃; Further stages.; | 25% |
Conditions | Yield |
---|---|
With brucine |
citraconic acid
A
(R)-(-)-citramalic acid
B
(2R,3S)-3-methylmalic acid
Conditions | Yield |
---|---|
With TETRACYCLINE In water at 37℃; for 142h; Clostridium formicoaceticum, phosphate buffer; Title compound not separated from byproducts; |
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
With potassium hydroxide Hydrolysis; |
A
(R)-(-)-citramalic acid
B
oxalic acid
C
acetic acid
D
2-oxo-propionic acid
Conditions | Yield |
---|---|
With ozone In dichloromethane at -78℃; for 0.0833333h; Further byproducts given. Title compound not separated from byproducts; |
A
(R)-(-)-citramalic acid
B
malonic acid
C
acetic acid
D
2-oxo-propionic acid
Conditions | Yield |
---|---|
With ozone In dichloromethane at -78℃; for 0.0833333h; Further byproducts given. Title compound not separated from byproducts; |
A
(R)-(-)-citramalic acid
B
oxalic acid
C
acetic acid
D
2-oxo-propionic acid
Conditions | Yield |
---|---|
With ozone In dichloromethane at -78℃; for 0.0833333h; Further byproducts given. Title compound not separated from byproducts; |
A
(R)-(-)-citramalic acid
B
malonic acid
C
acetic acid
D
2-oxo-propionic acid
Conditions | Yield |
---|---|
With ozone In dichloromethane at -78℃; for 0.0833333h; Further byproducts given. Title compound not separated from byproducts; |
2-methyl-2-butenedioic acid 4-ethylester
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 100 percent / diethyl phosphorocyanidate, TEA / dimethylformamide / 2 h / 0 °C 2: 98 percent / trifluoroacetic acid / CH2Cl2 / 3 h / Ambient temperature 3: 83 percent / N-iodosuccinimide / dimethylformamide / 12 h / 36 °C 4: 92 percent / n-Bu3SnH / benzene / 0.5 h / Heating 5: 100 percent / 6N aq. HCl / 5 h / Heating View Scheme |
ethyl (E)-4-hydroxy-3-methyl-2-butenoate
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 96 percent / CrO3, 1.5 M H2SO4 / acetone 2: 100 percent / diethyl phosphorocyanidate, TEA / dimethylformamide / 2 h / 0 °C 3: 98 percent / trifluoroacetic acid / CH2Cl2 / 3 h / Ambient temperature 4: 83 percent / N-iodosuccinimide / dimethylformamide / 12 h / 36 °C 5: 92 percent / n-Bu3SnH / benzene / 0.5 h / Heating 6: 100 percent / 6N aq. HCl / 5 h / Heating View Scheme |
(E)-4-(tert-butyldimethylsilanyloxy)-3-methylbut-2-enoic acid ethyl ester
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 97 percent / tetrabutylammonium fluoride / tetrahydrofuran 2: 96 percent / CrO3, 1.5 M H2SO4 / acetone 3: 100 percent / diethyl phosphorocyanidate, TEA / dimethylformamide / 2 h / 0 °C 4: 98 percent / trifluoroacetic acid / CH2Cl2 / 3 h / Ambient temperature 5: 83 percent / N-iodosuccinimide / dimethylformamide / 12 h / 36 °C 6: 92 percent / n-Bu3SnH / benzene / 0.5 h / Heating 7: 100 percent / 6N aq. HCl / 5 h / Heating View Scheme |
(S)-1-((E)-3-Ethoxycarbonyl-2-methyl-acryloyl)-pyrrolidine-2-carboxylic acid
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 83 percent / N-iodosuccinimide / dimethylformamide / 12 h / 36 °C 2: 92 percent / n-Bu3SnH / benzene / 0.5 h / Heating 3: 100 percent / 6N aq. HCl / 5 h / Heating View Scheme |
(S)-Iodo-((3S,8aS)-3-methyl-1,4-dioxo-hexahydro-pyrrolo[2,1-c][1,4]oxazin-3-yl)-acetic acid ethyl ester
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 92 percent / n-Bu3SnH / benzene / 0.5 h / Heating 2: 100 percent / 6N aq. HCl / 5 h / Heating View Scheme |
(S)-1-((E)-3-Ethoxycarbonyl-2-methyl-acryloyl)-pyrrolidine-2-carboxylic acid tert-butyl ester
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 98 percent / trifluoroacetic acid / CH2Cl2 / 3 h / Ambient temperature 2: 83 percent / N-iodosuccinimide / dimethylformamide / 12 h / 36 °C 3: 92 percent / n-Bu3SnH / benzene / 0.5 h / Heating 4: 100 percent / 6N aq. HCl / 5 h / Heating View Scheme |
diazomethane
(R)-(-)-citramalic acid
(R)-dimethyl 2-hydroxy-2-methylsuccinate
Conditions | Yield |
---|---|
In methanol | 100% |
In diethyl ether at 0℃; for 2h; | 90% |
In methanol; diethyl ether at 0℃; |
(R)-(-)-citramalic acid
(S)-(-)-2-Methylbutane-1,2,4-triol
Conditions | Yield |
---|---|
With borane-THF In tetrahydrofuran at 0℃; Reflux; | 100% |
methanol
(R)-(-)-citramalic acid
(R)-dimethyl 2-hydroxy-2-methylsuccinate
Conditions | Yield |
---|---|
Stage #1: (R)-(-)-citramalic acid With thionyl chloride In methanol; dichloromethane at 0 - 20℃; Inert atmosphere; Stage #2: methanol In dichloromethane at 0 - 20℃; Inert atmosphere; | 97.3% |
With hydrogenchloride at 55℃; for 48h; | 72% |
With hydrogenchloride Esterification; | |
With thionyl chloride |
(R)-(-)-citramalic acid
benzyl bromide
1-benzyl 4-benzyl 2-hydroxy-2-methylbutanedioate
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 20℃; | 90% |
Conditions | Yield |
---|---|
sodium hydroxide In water at 300℃; under 262201 Torr; Product distribution / selectivity; | 80.8% |
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
In acetonitrile absence of air; treatment of Mo-complex with 1.5 fold excess of citramalic acid, stirring (50°C, 24 h); cooling to room temp., filtration, pptn. on Et2O addn. to filtrate, recrystn. (MeCN/Et2O), washing (MeOH, Me2CO, Et2O), drying (vac.); elem. anal.; | 65% |
tricarbonyl(cycloheptatriene)molybdenum(0)
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
In methanol (N2); Schlenk technique; soln. of Et4OH in methanol was added to soln. of acid in methanol; mixt. was dried (vac.); redissolved in methanol; obtained soln. was added to soln. of Mo complex in methanol at room temp.; soln. was stirred overnight; evapd.; extd. (MeCN/MeOH); layered with ether; elem. anal.; | 63% |
(R)-(-)-citramalic acid
Hexafluoroacetone
[(5R)-2,2-Bis(trifluoromethyl)-5-methyl-4-oxo-1,3-dioxolan-5-yl] acetic acid
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 20℃; Cyclization; | 61% |
Conditions | Yield |
---|---|
In water High Pressure; D-(-)-citramalic acid, UO2(NO3)2*6H2O, 4,4'-bipyridine, and water in closed vessel were heated at 140°C for 2 days; elem. anal.; | 52% |
Conditions | Yield |
---|---|
In water High Pressure; D-(-)-citramalic acid, UO2(NO3)2*6H2O, DABCO, and water in closed vesselwere heated at 140°C for 24 h; elem. anal.; | 40% |
Conditions | Yield |
---|---|
In water; acetonitrile at 140℃; Sealed tube; | 33% |
Conditions | Yield |
---|---|
In water at 180℃; for 48h; | 32% |
(R)-(-)-citramalic acid
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere; | 24% |
(R)-(-)-citramalic acid
(R)-4-(2-Benzenesulfonyl-ethyl)-2,2,4-trimethyl-[1,3]dioxolane
Conditions | Yield |
---|---|
Multistep reaction; |
(R)-(-)-citramalic acid
(R)-(+)-2-Methylbutane-1,2,4-triol
Conditions | Yield |
---|---|
With dimethylsulfide borane complex In tetrahydrofuran; methanol | |
Multi-step reaction with 2 steps 1: 10.02 g / CH2Cl2; ethanol / 0.5 h 2: 84 percent / LiAlH4 / tetrahydrofuran / 18 h / Heating View Scheme |
Conditions | Yield |
---|---|
With sulfuric acid; acetic acid at 0℃; for 2h; |
ethanol
(R)-(-)-citramalic acid
diethyl (2R)-2-hydroxy-2-methylsuccinate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene for 72h; Heating; |
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