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:3398-22-9
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:3398-22-9
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:3398-22-9
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company
Cas:3398-22-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:3398-22-9
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 the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam
Cas:3398-22-9
Min.Order:1 Kilogram
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Type:Trading Company
inquiryName: 4-hydroxy-D-proline Synonyms: H-D-Hyp-OH CAS: 3398-22-9 MF: C5H9NO3 Appearance: White powder Storage:Store in cool and dry place, away from sun light. Package:25KG/Drum Application:Cosmetic grade Transportation:By sea or by air Port:Qingda
With 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 manufactu
Cas:3398-22-9
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
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
Cas:3398-22-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquirytrans-4-Hydroxy-D-proline CAS:3398-22-9 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
Cas:3398-22-9
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:3398-22-9
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
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:3398-22-9
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
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
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
Cas:3398-22-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryMassive 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
Cas:3398-22-9
Min.Order:1 Gram
FOB Price: $1.0
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:3398-22-9
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:3398-22-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
trans-4-Hydroxy-D-proline Basic information Product Name: trans-4-Hydroxy-D-proline Synonyms: TRANS-D-HYDROXYPROLINE;TRANS-D-4-HYDROXYPROLINE;TRANS-4-HYDROXY-D-PROLINE;(2R,4S)-(-)-4-HYDROXY-2-PYRROLINECARBOXYLIC ACID;(2R,4S)-4-HYDROXYPYRROLIDI
Cas:3398-22-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
Wuhu Nuovo Chemical Technology Co., Ltd. was established in August 2014, mainly engaged in the development, production and sales of ionic liquids, ribose, nucleosides, nucleotides and related chemicals; Products are mainly used in new energy, new ma
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
High 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:3398-22-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:3398-22-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:3398-22-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
Lower 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
Cas:3398-22-9
Min.Order:0
Negotiable
Type:Manufacturers
inquirytrans-4-hydroxyproline
Conditions | Yield |
---|---|
With ammonia; sodium at -70℃; for 3.5h; Inert atmosphere; | 79% |
N-Acetyl-allo-4-(p-toluenesulfonyloxy)-D-proline
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With sodium hydroxide Erhitzen des Reaktionsprodukts mit wss. HCl; |
trans-1-(3,5-dinitro-benzoyl)-4-hydroxy-D-proline
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With hydrogenchloride | |
With hydrogenchloride |
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With ammonia at 95 - 100℃; |
N-Acetyl-allo-4-(p-toluenesulfonyloxy)-D-proline
trans-4-hydroxyproline
Conditions | Yield |
---|---|
anschliessend Erhitzen mit wss. HCl; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: aqueous NaOH 2: (1S,2S)-2-amino-1-<4-nitro-phenyl>-propane-1,3-diol 3: aqueous HCl View Scheme | |
Multi-step reaction with 3 steps 1: sodium hydroxide 2: (1S,2S)-2-amino-1-(4-nitrophenyl)propane-1,3-diol 3: hydrogenchloride View Scheme |
N-Acetyl-allo-4-(p-toluenesulfonyloxy)-D-proline Methyl Ester
trans-4-hydroxyproline
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aqueous methanol. NaOH 2: aqueous NaOH / Erhitzen des Reaktionsprodukts mit wss. HCl View Scheme |
trans-1-(3,5-dinitro-benzoyl)-4-hydroxy-DL-proline
trans-4-hydroxyproline
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: brucine 2: aqueous HCl View Scheme | |
Multi-step reaction with 2 steps 1: (1S,2S)-2-amino-1-<4-nitro-phenyl>-propane-1,3-diol 2: aqueous HCl View Scheme | |
Multi-step reaction with 2 steps 1: (1S,2S)-2-amino-1-(4-nitrophenyl)propane-1,3-diol 2: hydrogenchloride View Scheme |
trans-4-hydroxy-D,L-proline
A
trans-4-hydroxyproline
B
4R-4-hydroxyproline
Conditions | Yield |
---|---|
With shaking calcined L-Pro chiral ordered mesoporous silica Resolution of racemate; |
trans-4-hydroxyproline
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: triethylsilane; boron trifluoride diethyl etherate / dichloromethane / 3 h / 0 - 30 °C / Inert atmosphere 2: Jones reagent / acetone / 4 h / 0 °C / Inert atmosphere 3: ammonia; sodium / 3.5 h / -70 °C / Inert atmosphere View Scheme |
trans-4-hydroxyproline
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: sodium periodate; sodium hydrogencarbonate / water; dichloromethane / 12 h / 0 - 30 °C / Inert atmosphere 2: triethylsilane; boron trifluoride diethyl etherate / dichloromethane / 3 h / 0 - 30 °C / Inert atmosphere 3: Jones reagent / acetone / 4 h / 0 °C / Inert atmosphere 4: ammonia; sodium / 3.5 h / -70 °C / Inert atmosphere View Scheme |
trans-4-hydroxyproline
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: lithium aluminium tetrahydride / tetrahydrofuran / 10 h / Reflux; Inert atmosphere 2: sodium periodate; sodium hydrogencarbonate / water; dichloromethane / 12 h / 0 - 30 °C / Inert atmosphere 3: triethylsilane; boron trifluoride diethyl etherate / dichloromethane / 3 h / 0 - 30 °C / Inert atmosphere 4: Jones reagent / acetone / 4 h / 0 °C / Inert atmosphere 5: ammonia; sodium / 3.5 h / -70 °C / Inert atmosphere View Scheme |
benzyl chloroformate
trans-4-hydroxyproline
(4S)-1-[(benzyloxy)carbonyl]-4-hydroxy-D-proline
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran; water at 0℃; for 1h; | 100% |
Stage #1: benzyl chloroformate; trans-4-hydroxyproline With sodium hydrogencarbonate In water; toluene at 20℃; for 16.25h; Stage #2: With hydrogenchloride In diethyl ether; water pH=2; | 93% |
Stage #1: benzyl chloroformate; trans-4-hydroxyproline With sodium hydrogencarbonate In water; toluene at 20℃; for 16h; Stage #2: With hydrogenchloride In water pH=2; Cooling with ice; | 93% |
With sodium hydrogencarbonate | |
With sodium hydrogencarbonate In water |
di-tert-butyl dicarbonate
trans-4-hydroxyproline
(2R,4S )-1-(tert-butoxycarbonyl)-4-hydroxypyrrolidine-2-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In 1,4-dioxane; water at 0 - 20℃; | 100% |
With sodium hydroxide In 1,4-dioxane; water | |
With triethylamine In methanol for 2h; Reflux; | 11 g |
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With titanium(IV) oxide; sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 8h; Inert atmosphere; | 93% |
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With titanium(IV) oxide; sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 8h; Inert atmosphere; | 92% |
With sodium hydrogencarbonate; titanium(IV) oxide |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene at 125℃; for 20h; Dean-Stark; | 91.1% |
1,2-di(m-tolyl)disulfane
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With tributylphosphine In tetrahydrofuran at 60 - 65℃; for 25h; Concentration; | 89.7% |
trans-4-hydroxyproline
(2R,4S)-methyl 4-hydroxypyrrolidine-2-carboxylate hydrochloride
Conditions | Yield |
---|---|
With acetyl chloride In methanol; diethyl ether at 20℃; | 87.6% |
C8H3BrCl2F3N
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With titanium(IV) oxide; sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 8h; Inert atmosphere; | 87% |
N-(4-chlorophenyl)-2,2,2-trifluoroethanimidoyl chloride
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With titanium(IV) oxide; sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 8h; Inert atmosphere; | 83% |
maleic acid
trans-4-hydroxyproline
(S)-pyrrolidin-3-ol hydrogen maleate
Conditions | Yield |
---|---|
Stage #1: trans-4-hydroxyproline With cyclohexenone In cyclohexanol for 3h; Reflux; Stage #2: maleic acid at 35℃; for 0.5h; | 80% |
Stage #1: trans-4-hydroxyproline With cyclohexenone In cyclohexanol for 3h; Reflux; Stage #2: maleic acid In cyclohexanol at 35℃; for 0.5h; | 80% |
2,2,2-trifluoro-N-[2-(trifluoromethyl)phenyl]ethanimidoyl chloride
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With titanium(IV) oxide; sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 8h; Reagent/catalyst; Solvent; Time; Inert atmosphere; | 78% |
2,2,2-trifluoro-N-(3-(trifluoromethyl)phenyl)acetimidoyl chloride
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With titanium(IV) oxide; sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 8h; Inert atmosphere; | 77% |
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With titanium(IV) oxide; sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 8h; Inert atmosphere; | 77% |
N-(4-nitrophenyl)-2,2,2-trifluoroacetimidoyl chloride
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With titanium(IV) oxide; sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 8h; Inert atmosphere; | 73% |
trans-4-hydroxyproline
3-hydroxypyrrolidine
Conditions | Yield |
---|---|
With cyclohexenone; cyclohexanol for 2h; Heating; | 70% |
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With titanium(IV) oxide; sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 8h; Inert atmosphere; | 70% |
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With titanium(IV) oxide; sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 8h; Inert atmosphere; | 70% |
Conditions | Yield |
---|---|
Stage #1: trans-4-hydroxyproline With hydrogenchloride; hypophosphorous acid In water at 20℃; for 1h; Stage #2: formaldehyd In water at 20℃; for 24h; | 28% |
2-bromo-4-methylvaleryl bromide
trans-4-hydroxyproline
Conditions | Yield |
---|---|
With sodium hydroxide |
potassium cyanate
trans-4-hydroxyproline
6-hydroxy-tetrahydro-pyrrolo[1,2-c]imidazole-1,3-dione
Conditions | Yield |
---|---|
With water Eindampfen der Reaktionsloesung mit Salzsaeure; |
Conditions | Yield |
---|---|
With sodium hydroxide |
trans-4-hydroxyproline
1-acetyl-4-acetoxy-L-prolin-ethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride Erwaermen des entstandenen Aethylesters mit Acetanhydrid und Natriumacetat; |
dihydrogen peroxide
copper(II) sulfate
trans-4-hydroxyproline
pyrrole-2-carboxyl acid
Conditions | Yield |
---|---|
Behandeln des Reaktionsgemisches mit Essigsaeure und wss. HCl; |
trans-4-hydroxyproline
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: NaHCO3 / H2O 2: SOCl2 3: NaBH4; LiCl View Scheme | |
Multi-step reaction with 3 steps 1: NaHCO3 2: methanol 3: LiBH4 / tetrahydrofuran View Scheme |
trans-4-hydroxyproline
(2R,4S)-1-benzyl 2-methyl 4-hydroxypyrrolidine-1,2-dicarboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NaHCO3 / H2O 2: SOCl2 View Scheme | |
Multi-step reaction with 2 steps 1: NaHCO3 2: methanol View Scheme | |
Multi-step reaction with 2 steps 1.1: sodium hydrogencarbonate / toluene; water / 16.25 h / 20 °C 1.2: pH 2 2.1: thionyl chloride / 0 - 20 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: sodium hydrogencarbonate / toluene; water / 16 h / 20 °C 1.2: pH 2 / Cooling with ice 2.1: thionyl chloride / 12 h / 0 - 20 °C View Scheme |
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