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
Cas:195202-08-5
Min.Order:1 Kilogram
FOB Price: $3.0
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:195202-08-5
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
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:195202-08-5
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiry(S)-2-(3,4,5-TRIMETHOXYPHENYL)BUTYRIC ACID CAS:195202-08-5 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 h
Cas:195202-08-5
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:195202-08-5
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
Cas:195202-08-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryVapor Pressure:2.05E-06mmHg at 25°C Boiling Point:378.9°Cat760mmHg PKA:4.28±0.14(Predicted) Flash Point:138.7°C PSA:64.99000 Density:1.142g/cm3 LogP:2.29060 Storage Temp.:Sealed in dry,Room Temperature Solubility.
Cas:195202-08-5
Min.Order:1 Gram
FOB Price: $6.0
Type:Trading Company
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
Cas:195202-08-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:195202-08-5
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:195202-08-5
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:195202-08-5
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:195202-08-5
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:195202-08-5
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:195202-08-5
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryThe process is mature and can be mass produced to 100 kg, with good quality and purity up to 99%.The product has a large stock and can be supplied stably. Package:bottle Application:Drug R&D Transportation:Sealed drying(25℃) Port:ShangHai
Cas:195202-08-5
Min.Order:1 Gram
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
Cas:195202-08-5
Min.Order:0
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
Cas:195202-08-5
Min.Order:0
Negotiable
Type:Manufacturers
inquiry1.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:195202-08-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep 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:195202-08-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry(s)-2-(3,4,5-trimethoxyphenyl)butyric Acid Application:(s)-2-(3,4,5-trimethoxyphenyl)butyric Acid
Cas:195202-08-5
Min.Order:0
Negotiable
Type:Other
inquiry(S)-2-(3,4,5-TRIMETHOXYPHENYL)BUTANOIC ACIDCASAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:195202-08-5
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:195202-08-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
Cas:195202-08-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHangzhou 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
Cas:195202-08-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry195202-08-5 Application:intermediate
Cas:195202-08-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWuhan 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
Cas:195202-08-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry(s)-2-(3,4,5-trimethoxyphenyl)butyric AcidAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By
Cas:195202-08-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?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
Cas:195202-08-5
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:195202-08-5
Min.Order:0
Negotiable
Type:Trading Company
inquiryBest Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
Cas:195202-08-5
Min.Order:0
Negotiable
Type:Trading Company
inquiryethyl iodide
(2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid
Conditions | Yield |
---|---|
Stage #1: 3,4,5-trimethoxyphenyl acetic acid; N1,N3-bis((R)-1-phenyl-2-(piperidin-1-yl)ethyl)propane-1,3-diamine With n-butyllithium In tetrahydrofuran; hexane at -78 - 0℃; for 0.333333h; Stage #2: ethyl iodide In tetrahydrofuran; hexane at -78℃; for 2.5h; | 81% |
2-ethyl-(3,4,5-trimethoxyphenyl)acetic acid
(2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid
Conditions | Yield |
---|---|
With Cinchonidin In acetonitrile at 20℃; | 48.5% |
Stage #1: 2-ethyl-(3,4,5-trimethoxyphenyl)acetic acid With cinchonidine In acetonitrile Separation of racemate; Stage #2: With hydrogenchloride In dichloromethane; water pH=2; Separation of racemate; | 21% |
3,4,5-trimethoxyphenyl acetic acid
(2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: potassium hexamethylsilazane / tetrahydrofuran / 1.5 h / -25 - -15 °C / Inert atmosphere 1.2: -25 - 20 °C 2.1: cinchonidine / acetonitrile / Separation of racemate 2.2: pH 2 / Separation of racemate View Scheme | |
Multi-step reaction with 2 steps 1: sodium hexamethyldisilazane / tetrahydrofuran / -25 - 20 °C 2: Cinchonidin / acetonitrile / 20 °C View Scheme |
(2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid
Conditions | Yield |
---|---|
Stage #1: X With sulfuric acid In 1,4-dioxane; water for 2h; Reflux; Stage #2: With sodium hydroxide In 1,4-dioxane; water pH=12; Stage #3: In 1,4-dioxane; water pH=3; |
(+)-<1'S,2'S>-N-(2'-hydroxy-1'-methyl-2'-phenylethyl)-N-methyl-2-(3,4,5-trimethoxyphenyl)acetamide
(2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: lithium hexamethyldisilazane; lithium chloride / tetrahydrofuran / 1 h / -5 °C 1.2: 3 h / -5 °C 2.1: sulfuric acid / 1,4-dioxane; water / 2 h / Reflux 2.2: pH 12 2.3: pH 3 View Scheme |
(2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid
Conditions | Yield |
---|---|
With thionyl chloride In dichloromethane for 2h; Reflux; | 100% |
(2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid
(S)-methyl pipecolinate hydrochloride
(S)-1-((S)-2-(3,4,5-trimethoxyphenyl)butanoyl)piperidine-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: (2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid; (S)-methyl pipecolinate hydrochloride With 2-chloro-1-methyl-pyridinium iodide; triethylamine In dichloromethane at 20℃; for 2h; Stage #2: With lithium hydroxide In dichloromethane; water at 20℃; | 84% |
Stage #1: (2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid; (S)-methyl pipecolinate hydrochloride With 2-chloro-1-methyl-pyridinium iodide; triethylamine In dichloromethane at 22℃; for 2h; Stage #2: With lithium hydroxide monohydrate; water In methanol Stage #3: With hydrogenchloride In water pH=4; | 73% |
Stage #1: (2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid; (S)-methyl pipecolinate hydrochloride With 2-chloro-1-methyl-pyridinium iodide; triethylamine In dichloromethane at 12 - 25℃; Stage #2: With lithium hydroxide monohydrate In methanol; water at 22℃; for 12h; | 66% |
Multi-step reaction with 2 steps 1: 2-chloro-1-methyl-pyridinium iodide; triethylamine / dichloromethane / 12 - 25 °C 2: lithium hydroxide monohydrate / water; methanol / 12 h / 22 °C View Scheme |
(2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid
(1R)-3-(3,4-dimethoxyphenyl)-1-[3-(t-butoxycarbonylmethoxy)phenyl]-1-propyl (2S)-2-piperidine carboxylate
(R)-1-(3-(2-(tert-butoxy)-2-oxoethoxy)phenyl)-3-(3,4-dimethoxyphenyl)propyl (S)-1-((S)-2-(3,4,5-trimethoxyphenyl)butanoyl)piperidine-2-carboxylate
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 24h; Inert atmosphere; | 58% |
With dmap; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride | 55% |
(2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid
(R)-3-(3,4-dimethoxyphenyl)-1-(3-(2-morpholinoethoxy)phenyl)propyl (S)-1-((S)-2-(3,4,5-trimethoxyphenyl)butanoyl)piperidine-2-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: thionyl chloride / dichloromethane / 2 h / Reflux 2: sodium hydrogencarbonate / 1,4-dioxane / 22 h / Reflux 3: dmap; diisopropyl-carbodiimide / dichloromethane / 3 h / 0 - 20 °C View Scheme |
(2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid
(S)-1-((S)-2-(3,4,5-trimethoxyphenyl)butanoyl)piperidine-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: thionyl chloride / dichloromethane / 2 h / Reflux 2: sodium hydrogencarbonate / 1,4-dioxane / 22 h / Reflux View Scheme |
(2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol; N-ethyl-N,N-diisopropylamine / dichloromethane / 24 h / 20 °C / Inert atmosphere 2: trifluoroacetic acid / dichloromethane / 20 °C 3: benzotriazol-1-ol; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 8 h / 20 °C / Inert atmosphere View Scheme |
(2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol; N-ethyl-N,N-diisopropylamine / dichloromethane / 24 h / 20 °C / Inert atmosphere 2: trifluoroacetic acid / dichloromethane / 20 °C View Scheme |
(2S)-2-(3,4,5-trimethoxyphenyl)butanoic acid
(S)-methyl pipecolinate hydrochloride
Conditions | Yield |
---|---|
With 2-chloro-1-methyl-pyridinium iodide; triethylamine In dichloromethane at 12 - 25℃; |
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