Welcome 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
Cas:7699-00-5
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiry(+)-ethyl D-lactate Molecular formula: C5H10O3 Molecular weight: 118.13 Properties: Colorless and transparent liquid with special frangrance. Quality index:
Cas:7699-00-5
Min.Order:1 Kilogram
FOB Price: $2.0 / 3.0
Type:Manufacturers
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
Cas:7699-00-5
Min.Order:1
Negotiable
Type:Other
inquiryDayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:7699-00-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:7699-00-5
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryTIANFUCHEM--7699-00-5--(+)-ETHYL D-LACTATE factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable business re
Cas:7699-00-5
Min.Order:1 Metric Ton
FOB Price: $2000.0
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:7699-00-5
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
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:7699-00-5
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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 ♦ W
Cas:7699-00-5
Min.Order:1 Kilogram
FOB Price: $289.0 / 499.0
Type:Trading Company
inquiryName (R)-2-Hydroxypropionic acid ethyl ester Synonyms (R)-Ethyl lactate; (R)-Lactic acid ethyl ester; D-Ethyl lactate; Ethyl (R)-2-hydroxypropanoate; Ethyl (R)-2-hydroxypropionate; Ethyl D-lactate;
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
Cas:7699-00-5
Min.Order:1 Kilogram
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:7699-00-5
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
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
Cas:7699-00-5
Min.Order:0 Metric Ton
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Type:Lab/Research institutions
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
Massive 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 als
Cas:7699-00-5
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiry(+)-ETHYL D-LACTATE Basic information Product Name: (+)-ETHYL D-LACTATE Synonyms: chiral grade ethyl lactate;ethyl (2R)-2-hydroxypropanoate;Natural D-Ethyl Lactate;(2R)-2-Hydroxy-Propanoic Acid Ethyl Ester;Propanoic acid, 2-hydroxy-, ethyl est
Cas:7699-00-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHunan chemfish Pharmaceutical co.,Ltd a comprehensive enterprise, Located in High-Tech Science Park,Changsha,China. Specializing in R&D, manufacture and marketing, Owns one GMP factory and one ISO facotry,cooperated with se
Shandong 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:7699-00-5
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:7699-00-5
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
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
Cas:7699-00-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:7699-00-5
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:7699-00-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
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
Cas:7699-00-5
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh qualityAppearance:white crystalline 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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Conditions | Yield |
---|---|
With salicylaldehyde at 80℃; for 28h; Inert atmosphere; chemoselective reaction; | 85% |
With sulfuric acid at 120℃; for 8h; Molecular sieve; | 25% |
With hydrogenchloride | |
With sulfuric acid; benzene durch azeotrope Destillation; |
ethanol
(3R,5S,6R,9S)-3,9-Dimethyl-6-(1-methyl-1-phenyl-ethyl)-1,4-dioxa-spiro[4.5]decan-2-one
A
(R)-Ethyl lactate
B
(-)-(2S,5R)-5-Methyl-2-(1-methyl-1-phenylethyl)cyclohexanon
Conditions | Yield |
---|---|
With hydrogenchloride for 2h; Heating; | A 84% B n/a |
2-oxo-propionic acid ethyl ester
A
(S)-Ethyl lactate
B
(R)-Ethyl lactate
Conditions | Yield |
---|---|
With hydrogen; cinchonidine In cyclohexane at 24.84℃; under 30003 Torr; optical yield given as %ee; enantioselective reaction; | A n/a B 76% |
With D-Glucose; cliona varians In water at 25℃; for 72h; Reagent/catalyst; | A 49% B n/a |
With hydrogen; cinchonine; Pt/Al2O3 In toluene at 20℃; under 15001.2 Torr; Rate constant; Product distribution; var. conc. of HCd, solvent; |
Conditions | Yield |
---|---|
With hydrogenchloride In toluene | 76% |
Conditions | Yield |
---|---|
With glycerol dehydrogenase; 2-propanol-NAD(1+) potassium phosphate buffer, pH 7; | 61% |
With Leifsonia sp. S749 cells alcohol dehydrogenase; nicotinamide adenine dinucleotide; isopropyl alcohol In phosphate buffer at 25℃; for 24h; pH=7.0; | 19% |
With hydrogen; (R)-N-<2-hydroxy2-(1-naphthyl)ethyl>pyrrolidine; Pt/Al2O3 In acetic acid at 25℃; under 7500.6 Torr; for 2h; Product distribution; enantioselectivity; var. modifiers, also in the absence of modifiers, var. solvents, temp., pressure and time; |
Conditions | Yield |
---|---|
With sulfuryl dichloride at -40 - 20℃; for 48h; | 58% |
ethyl 2-hydroxypropionate
A
L-Lactic acid
B
D-Lactic acid
C
(R)-Ethyl lactate
Conditions | Yield |
---|---|
With ammonium hydroxide at 30℃; pH=6.9; | A n/a B n/a C 34.5% |
2-nitryloxy-propionic acid ethyl ester
A
(S)-Ethyl lactate
B
(R)-Ethyl lactate
Conditions | Yield |
---|---|
With acetic acid; zinc Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
(R)-2-(Acetoxy)propionsaeure-ethylester
(R)-Ethyl lactate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In ethanol for 72h; Heating; Yield given; |
(1R)-2-ethoxy-1-methyl-2-oxoethyl 4-nitrobenzoate
(R)-Ethyl lactate
Conditions | Yield |
---|---|
With potassium carbonate In ethanol at 23℃; for 15h; |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid for 30h; Heating; Yield given; |
ethyl 2-hydroxypropionate
(R)-(1-naphthyl)-glycyl-(R)-phenylglycine
A
(R)-Ethyl lactate
Conditions | Yield |
---|---|
In methanol Ambient temperature; Yield given; Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
anschliessende Veresterung; |
Conditions | Yield |
---|---|
anschliessende Veresterung; |
Conditions | Yield |
---|---|
With sulfuric acid |
R-(+)-2-bromopropionic acid
(R)-Ethyl lactate
Conditions | Yield |
---|---|
at 50℃; anschliessende Veresterung; |
Conditions | Yield |
---|---|
With ethanol |
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
durch Schweineleber-Lipase schneller gespalten; |
Conditions | Yield |
---|---|
With potassium carbonate |
(R)-2-bromo-propionic acid ; sodium salt
(R)-Ethyl lactate
Conditions | Yield |
---|---|
at 0℃; anschliessende Veresterung sowie Hydrolyse-geschwindigkeiten; |
2-oxo-propionic acid ethyl ester
methanol
A
methyl lactate
B
(S)-Ethyl lactate
C
(R)-Ethyl lactate
Conditions | Yield |
---|---|
With hydrogen; chiral Ru complex at 20℃; under 25857.4 Torr; for 48h; Product distribution; Further Variations:; Catalysts; Temperatures; Solvents; |
ethanol
A
(R)-Ethyl lactate
B
(S)-2-hydroxy-propionic acid (S)- 1-ethoxycarbonyl-ethyl ester
Conditions | Yield |
---|---|
With Candida antarctica lipase B In tetrahydrofuran; hexane at 60℃; for 66h; | A 49 % Chromat. B 48 % Chromat. |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1) Ph3P, diethyl azodicarboxylate / 2) THF, -20 deg C, 0.5 h, 2) THF, 27 h 2: K2CO3 / ethanol / 15 h / 23 °C View Scheme | |
Multi-step reaction with 3 steps 1: 87 percent / pyridine / 3 h / 0 - 10 °C 2: 85 percent / dimethylsulfoxide / 12 h 3: 4-toluenesulfonic acid / ethanol / 72 h / Heating View Scheme |
ethyl (S)-2-[[(4-methylphenyl)sulfonyl]oxy]propanoate
(R)-Ethyl lactate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 85 percent / dimethylsulfoxide / 12 h 2: 4-toluenesulfonic acid / ethanol / 72 h / Heating View Scheme |
(S)-ethyl 2-(methylsulfonyloxy)propanoate
(R)-Ethyl lactate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 90 percent / Amberlyst A-26 NO3(1-) form / pentane / 5 h / 120 °C 2: Zn, CH3COOH View Scheme |
Conditions | Yield |
---|---|
With methanol; toluene-4-sulfonic acid Inert atmosphere; optical yield given as %ee; | |
With toluene-4-sulfonic acid In methanol Inert atmosphere; optical yield given as %ee; |
2-oxo-propionic acid ethyl ester
methyl 2-oxo-2-phenylacetate
A
(S)-Ethyl lactate
B
(R)-Ethyl lactate
C
(S)-Methyl mandelate
D
(R)-methyl mandelate
Conditions | Yield |
---|---|
With 5% Pt/Al2O3; hydrogen; acetic acid In toluene at 19.84℃; under 30003 Torr; |
(R)-Ethyl lactate
tert-butyldimethylsilyl chloride
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane | 99% |
With 1H-imidazole In dichloromethane at 0 - 20℃; for 3h; | 99% |
With 1H-imidazole In dichloromethane at 20℃; for 4h; Inert atmosphere; | 96% |
With 1H-imidazole In N,N-dimethyl-formamide at 25℃; Etherification; | |
With 1H-imidazole In dichloromethane at 0 - 20℃; for 5h; |
(R)-Ethyl lactate
3,5-dibenzyloxybenzoic acid
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 3h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With silver(l) oxide In diethyl ether at 23 - 42℃; Williamson Ether Synthesis; Reflux; | 98% |
With silver(l) oxide |
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether for 0.5h; Heating; | 97% |
With sodium tetrahydroborate; aluminium trichloride |
(R)-Ethyl lactate
methanesulfonyl chloride
(S)-ethyl 2-(methylsulfonyloxy)propanoate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0℃; | 95% |
(R)-Ethyl lactate
6-methoxy-1-naphthoic acid
Conditions | Yield |
---|---|
Stage #1: 6-methoxy-1-naphthoic acid With thionyl chloride In N,N-dimethyl-formamide; toluene at 10 - 40℃; for 4h; Green chemistry; Stage #2: (R)-Ethyl lactate With triethylamine In toluene at 10 - 20℃; for 2h; Green chemistry; | 92% |
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran; toluene at 0 - 20℃; Mitsunobu reaction; Inert atmosphere; | 91% |
With di-tert-butyl-diazodicarboxylate; triphenylphosphine In tetrahydrofuran Mitsunobu Displacement; |
(R)-Ethyl lactate
triisopropylsilyl chloride
Conditions | Yield |
---|---|
With 1H-imidazole In N,N-dimethyl-formamide at 0 - 20℃; for 12h; Inert atmosphere; | 91% |
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran; toluene at 0 - 20℃; Mitsunobu reaction; Inert atmosphere; | 90% |
(R)-Ethyl lactate
O-diphenylmethyl 2,2,2-trichloroacetimidate
Conditions | Yield |
---|---|
In toluene at 111℃; | 90% |
Conditions | Yield |
---|---|
Stage #1: 1-naphthalenecarboxylic acid With thionyl chloride In N,N-dimethyl-formamide; toluene at 10 - 40℃; for 4h; Green chemistry; Stage #2: (R)-Ethyl lactate With triethylamine In toluene at 10 - 20℃; for 2h; Green chemistry; | 90% |
(R)-Ethyl lactate
2-iodoresorcinol
(2R,2'R)-diethyl 2,2'-(2-iodo-1,3-phenylene)bis(oxy)dipropanoate
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran; toluene at 0 - 20℃; for 6h; | 90% |
(R)-Ethyl lactate
ethyl (S)-lactate triflate
R,R-dilactic acid diethyl ester
Conditions | Yield |
---|---|
With potassium carbonate In 1,2-dichloro-ethane; pentane at 20℃; for 24h; | 89% |
With potassium carbonate In 1,2-dichloro-ethane; pentane at 20℃; for 48h; Inert atmosphere; | 20% |
(R)-Ethyl lactate
N-(4-methoxybenzyl)-2-nitro-N-(prop-2-yn-1-yl)benzenesulfonamide
Conditions | Yield |
---|---|
With triphenylphosphine; diethylazodicarboxylate In dichloromethane at 23℃; for 1h; | 87% |
Conditions | Yield |
---|---|
With magnesium In tetrahydrofuran for 1.5h; Ambient temperature; | 86% |
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran; toluene at 0 - 20℃; Mitsunobu reaction; Inert atmosphere; | 86% |
(R)-Ethyl lactate
p-toluenesulfonyl chloride
(-)-ethyl 2-<(p-tolylsulfonyl)oxy>propionate
Conditions | Yield |
---|---|
With triethylamine In benzene for 6h; Ambient temperature; | 85.1% |
With pyridine Substitution; | 85% |
Stage #1: (R)-Ethyl lactate; p-toluenesulfonyl chloride In dichloromethane at 0 - 10℃; for 0.166667h; Inert atmosphere; Stage #2: With triethylamine In dichloromethane at 20℃; for 4h; Cooling; | 85.1% |
(R)-Ethyl lactate
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 4h; Mitsunobu Displacement; Inert atmosphere; | 85% |
(R)-Ethyl lactate
2,4-dichlorophenol
(R)-2-(2,4-Dichlorphenoxy)propionsaeure-ethylester
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 16h; Mitsunobu Displacement; | 84% |
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran Mitsunobu reaction; |
4-methyleneoxetan-2-one
(R)-Ethyl lactate
(R)-1-ethoxy-1-oxopropan-2-yl 3-oxobutanoate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane for 15h; Heating; | 81% |
Conditions | Yield |
---|---|
With PPh3-containing polystyrene non-cross-linked polymer; diethylazodicarboxylate In tetrahydrofuran at 20℃; for 0.5h; Mitsunobu reaction; | 80% |
(R)-Ethyl lactate
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; | 79% |
(R)-Ethyl lactate
para-chlorobenzoic acid
(R)-1-ethoxy-1-oxopropane-2-yl 4-chlorobenzoate
Conditions | Yield |
---|---|
With C18H20N2O4; Nb-TPP In tetrahydrofuran at 0 - 20℃; Mitsunobu reaction; | 76% |
(R)-Ethyl lactate
4-nitro-benzoic acid
(1R)-2-ethoxy-1-methyl-2-oxoethyl 4-nitrobenzoate
Conditions | Yield |
---|---|
With C18H20N2O4; Nb-TPP In tetrahydrofuran at 0 - 20℃; Mitsunobu reaction; | 74% |
With 1-phenylphospholane-1-oxide; di-isopropyl azodicarboxylate; phenylsilane In tetrahydrofuran at 80℃; for 18h; Mitsunobu Displacement; Sealed tube; | 68% |
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In toluene at 0 - 20℃; Mitsunobu Displacement; | 74% |
(R)-Ethyl lactate
3-(dimethylamino)benzoic acid
(R)-1-ethoxy-1-oxopropan-2-yl 3-(dimethylamino)benzoate
Conditions | Yield |
---|---|
With C18H20N2O4; Nb-TPP In tetrahydrofuran at 0 - 20℃; Mitsunobu reaction; | 73% |
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