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
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inquiryOur company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so
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inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
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inquiryChemical Name: D-4-Chlorophenylalanine Cas No.: 14091-08-8 Molecular Formula: C9H10ClNO2 Molecular Weight: 199.63 Specification: >98%; ee%>98%; Appearance: white powde
Hebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car
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inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the
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inquiryMinimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,
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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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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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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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inquiryLocated in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h
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SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
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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
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inquiryGOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
Product name:D-4-Chlorophenylalanine Synonym:4-Chloro-D-phenylalanine;D-PCP,D-PCPA;H-D-Phe(4-Cl)-OH·HCl; CAS No:14091-08-8 Molecular Formula:C9H10ClNO2 Molecular Weight:199.63 【Quality Standard】
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inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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inquiryHigh purity, high success rate, short cycle and moderate priceAppearance:White powder solid Storage:Negative 20 degrees Celsius Package:5mg, 10mg 100mg, 1gram Application:Applied to various scientific research
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inquiryhigh 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.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
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
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
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inquiry★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by courier/air/sea Port:Any port of China
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inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
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inquiryA
para-Chloro-D-phenylalanine
Conditions | Yield |
---|---|
With hydrogenchloride; water In methanol at 40℃; for 6h; | A 95% B 97% |
With hydrogenchloride In methanol; water at 40℃; for 6h; | A n/a B 96% |
Conditions | Yield |
---|---|
With hydrogenchloride; water In methanol at 40℃; for 6h; | A 96% B 96% |
DL-Phe(4Cl)
A
para-Chloro-D-phenylalanine
B
β-(4-chlorophenyl)pyruvic acid
Conditions | Yield |
---|---|
With diaphorase; 2,6-Dichlorophenolindophenol; potassium chloride; oxygen; nicotiamide adenine dinucleotide at 15 - 20℃; pH=9.5; aq. buffer; Enzymatic reaction; | A 78% B n/a |
DL-Phe(4Cl)
para-Chloro-D-phenylalanine
Conditions | Yield |
---|---|
With sodium hydroxide; oxygen; 2-amino-2-hydroxymethyl-1,3-propanediol In water at 30℃; for 3h; pH=7.3; Resolution of racemate; Enzymatic reaction; enantioselective reaction; | 44% |
With (S)-2-hydroxy-2'-(3-(N-phenylcarbamoylamino)benzyl)-1,1'-binaphthyl-3-carboxaldehyde In dimethyl sulfoxide Resolution of racemate; stereoselective reaction; | n/a |
With D-glucose; D-amino acid aminotransferase from Bacillus sp mutant T242G; L-aminoacid deaminase from Proteus mirabilis In aq. phosphate buffer at 37℃; for 4h; pH=8; Enzymatic reaction; enantioselective reaction; | n/a |
tert-butyl (R)-3-(4-chlorophenyl)-2-(diphenylmethanediylamino)propanoate
para-Chloro-D-phenylalanine
Conditions | Yield |
---|---|
With hydrogenchloride Yield given; |
β-(4-chlorophenyl)pyruvic acid
para-Chloro-D-phenylalanine
Conditions | Yield |
---|---|
With meso-2,6-D-diaminopimelic acid dehydrogenase mutant BC621; ammonium chloride; NADPH In various solvent(s) for 24h; |
(±)-ethyl 2-amino-3-(4-chlorophenyl)propanoate
B
p-chlorophenylalanine
C
para-Chloro-D-phenylalanine
D
D-4-chlorophenylalanine ethyl ester
Conditions | Yield |
---|---|
With Bacillus licheniformis; sodium hydrogencarbonate; 1-ethyl-3-methylimidazolium acetate In water; water-d2 at 30℃; for 1h; |
4-chlorobenzyl bromide
para-Chloro-D-phenylalanine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 50percent aq. NaOH / cinchonidine catalyst / CH2Cl2 / 12 h / 25 °C 2: 6N HCl View Scheme |
DL-Phe(4Cl)
Benzeneacetamide
A
phenylacetic acid
B
N-phenylacetyl-4-chloro-L-phenylalanine
C
para-Chloro-D-phenylalanine
Conditions | Yield |
---|---|
Stage #1: DL-Phe(4Cl); Benzeneacetamide With recombinant Alcaligenes faecalis penicillin G acylase immobilized on oxirane acrylic carrier; potassium hydroxide In water at 35℃; for 3.66667h; pH=10; Enzymatic reaction; Stage #2: With hydrogenchloride In water pH=1; optical yield given as %ee; enantioselective reaction; |
4-chloro-(RS)-phenylalaninamide hydrochloride
A
p-chlorophenylalanine
B
para-Chloro-D-phenylalanine
Conditions | Yield |
---|---|
With pyridoxal 5'-phosphate monohydrate In aq. buffer at 40℃; for 24h; pH=8.0; Enzymatic reaction; Overall yield = > 99 %; | A n/a B n/a |
With pyridoxal 5'-phosphate monohydrate; cobalt(II) chloride In aq. buffer at 40℃; for 36h; pH=7.0; Enzymatic reaction; Overall yield = > 99 %; | A n/a B n/a |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: thionyl chloride / 0 °C 2: ammonia / methanol / 0 °C 3: pyridoxal 5'-phosphate monohydrate; cobalt(II) chloride / aq. buffer / 36 h / 40 °C / pH 7.0 / Enzymatic reaction View Scheme | |
With (S)-2-hydroxy-2'-(3-(N-phenylcarbamoylamino)benzyl)-1,1'-binaphthyl-3-carboxaldehyde In dimethyl sulfoxide Resolution of racemate; stereoselective reaction; | A n/a B n/a |
With (R)-2-hydroxy-2'-(3-phenylurylbenzyl)-1,1'-binaphthyl-3-carboxaldehyde In dimethyl sulfoxide Resolution of racemate; stereoselective reaction; | A n/a B n/a |
With phenylalanine ammonia-lyase from Pseudozyma antarctica yeast In aq. buffer at 30℃; for 17h; pH=8.5; Resolution of racemate; stereoselective reaction; | A n/a B n/a |
2-amino-3-(4-chlorophenyl)propionic acid methyl ester hydrochloride
A
p-chlorophenylalanine
B
para-Chloro-D-phenylalanine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: ammonia / methanol / 0 °C 2: pyridoxal 5'-phosphate monohydrate; cobalt(II) chloride / aq. buffer / 36 h / 40 °C / pH 7.0 / Enzymatic reaction View Scheme |
N-Boc-D-(4-Cl)Phe-OH
para-Chloro-D-phenylalanine
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane for 0.5h; |
DL-Phe(4Cl)
A
para-Chloro-D-phenylalanine
B
(S)-β-amino-β-(4-chlorophenyl)propionic acid
Conditions | Yield |
---|---|
With phenylalanine 2,3-aminomutase from Pantoea agglomerans; ammonium carbonate at 20℃; for 20h; pH=8; Enzymatic reaction; enantioselective reaction; | A n/a B n/a |
β-(4-chlorophenyl)pyruvic acid
A
p-chlorophenylalanine
B
para-Chloro-D-phenylalanine
Conditions | Yield |
---|---|
With pyridoxal 5'-phosphate; ethylenediaminetetraacetic acid; sodium diphenylglycine In aq. buffer at 50℃; pH=8; Overall yield = 24 %; enantioselective reaction; | A n/a B n/a |
4-chlorobenzaldehyde
A
p-chlorophenylalanine
B
para-Chloro-D-phenylalanine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: ethanolamine 1.2: Alkaline conditions 2.1: sodium diphenylglycine; pyridoxal 5'-phosphate; ethylenediaminetetraacetic acid / aq. buffer / 50 °C / pH 8 View Scheme |
p-chlorophenylalanine
para-Chloro-D-phenylalanine
Conditions | Yield |
---|---|
With L-amino acid deaminase from Proteus mirabilis; Burkholderia stabilis formate dehydrogenase; meso-diaminopimelate dehydrogenase from Symbiobacterium thermophilum mutant H227V; sodium formate; ammonium chloride; NADPH In aq. phosphate buffer at 45℃; pH=9; Enzymatic reaction; |
DL-Phe(4Cl)
A
3-(4-chlorophenyl)prop-2-enoic acid
B
para-Chloro-D-phenylalanine
Conditions | Yield |
---|---|
With phenylalanine ammonia-lyase from Pseudozyma antarctica yeast In aq. buffer at 30℃; for 168h; pH=8.5; Reagent/catalyst; Time; Resolution of racemate; stereoselective reaction; | A n/a B n/a |
para-Chloro-D-phenylalanine
(R)-2-amino-3-(4-chlorophenyl)propan-1-ol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; Reflux; Inert atmosphere; | 99% |
para-Chloro-D-phenylalanine
N-Boc-D-(4-Cl)Phe-OH
Conditions | Yield |
---|---|
With triethylamine In water; acetone at 25℃; for 14h; | 90% |
para-Chloro-D-phenylalanine
N-Boc-D-(4-Cl)Phe-OH
Conditions | Yield |
---|---|
With triethylamine In water; acetone at 20℃; for 44h; | 87.3% |
di-tert-butyl dicarbonate
para-Chloro-D-phenylalanine
N-Boc-D-(4-Cl)Phe-OH
Conditions | Yield |
---|---|
With triethylamine In water; acetone at 20℃; for 44h; | 87.3% |
Conditions | Yield |
---|---|
With 1-hydroxy-7-aza-benzotriazole; diisopropyl-carbodiimide In DMF (N,N-dimethyl-formamide) at 20℃; |
para-Chloro-D-phenylalanine
trifluoroacetic acid
(2S)-2-amino-N-(2-aminoethyl)-3-(4-chlorophenyl)-N-(spiro[5.5]undecan-3-yl)propanamide trifluoroacetic acid salt
Conditions | Yield |
---|---|
Stage #1: N-(spiro[5.5]undecan-3-yl)ethylenediamine In N,N-dimethyl-formamide at 20℃; for 24h; Stage #2: para-Chloro-D-phenylalanine With N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate In dichloromethane at 20℃; for 20h; Stage #3: trifluoroacetic acid With chlorotriisopropylsilane; ethane-1,2-dithiol In water at 20℃; for 1h; Further stages.; |
2-[(2,1,3-benzothiadiazol-4-ylsulfonyl)amino]-4-chlorobenzoic acid
para-Chloro-D-phenylalanine
C22H16Cl2N4O5S2
Conditions | Yield |
---|---|
With pyridine; 2-(1H-9-azabenzotriazol-1-yl)-1,1,3,3-tetramethyluroniumhexafluorophosphate In N,N-dimethyl-formamide for 1h; |
Conditions | Yield |
---|---|
With dmap In N,N-dimethyl-formamide at 50℃; for 12h; |
Conditions | Yield |
---|---|
With pyridine; 2-(1H-9-azabenzotriazol-1-yl)-1,1,3,3-tetramethyluroniumhexafluorophosphate In N,N-dimethyl-formamide for 1h; |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide |
para-Chloro-D-phenylalanine
A
N-(N-benzoyl-L-tryptophanyl)-para-chloro-D-phenylalanine methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sulfuric acid / dichloromethane; trifluoroacetic acid / 2 h / Reflux 2: O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine / dichloromethane / 6 h / 20 °C View Scheme |
methanol
para-Chloro-D-phenylalanine
D-p-chlorophenylalanine methyl ester
Conditions | Yield |
---|---|
With sulfuric acid In dichloromethane; trifluoroacetic acid for 2h; Reflux; |
para-Chloro-D-phenylalanine
2,2'-(propane-2,2-diyl)bis[(R)-4-(4-chlorobenzyl)-4,5-dihydrooxazole]
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: lithium aluminium tetrahydride / tetrahydrofuran / 0 °C / Reflux; Inert atmosphere 2: zinc trifluoromethanesulfonate / toluene / 48 h / 20 °C / Inert atmosphere; Reflux View Scheme |
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