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:2018-61-3
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inquiryWelcome 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:2018-61-3
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inquiryFactory supply N-Acetyl-L-phenylalanine CAS 2018-61-3 with reasonable price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Foo
Cas:2018-61-3
Min.Order:1 Kilogram
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Type:Trading Company
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
1. 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:2018-61-3
Min.Order:1 Gram
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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:2018-61-3
Min.Order:5 Kiloliter
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inquiryOur company was built in 2009 with an ISO certificate.In the past 5 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 on.O
Density: 1.1878 (rough estimate) Melting point: 171-173 ° C (lit.) Boiling point: 346.25 ° C (rough estimate) Specific rotation: 40 º (c=1, methanol) Flash point: 228.3 ° C Steam pressure: 4.96E-09mmHg at 25 ° C Solubility in alc
Cas:2018-61-3
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
Type:Trading Company
inquiryProduct Name:N-Acetyl-L-Phenylalanine;N-AC-L-PHE-OH Other Names:L-2-(Acetylamino)-3-phenylpropanoic acid Cas#:2018-61-3 MF:C11H13NO3 MW:207.23 Appearance:White Crystalline Powder Storage:Store in cool and dry place, away from sun light. Package:25
WITH 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:2018-61-3
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
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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:2018-61-3
Min.Order:10 Kilogram
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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 powder 2. Fact
Cas:2018-61-3
Min.Order:1 Kilogram
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inquiryWe can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO
Cas:2018-61-3
Min.Order:1 Gram
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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:2018-61-3
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:2018-61-3
Min.Order:1 Kilogram
FOB Price: $40.7 / 46.2
Type:Trading Company
inquiryN-Acetyl-L-phenylalanine CAS:2018-61-3 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 i
Cas:2018-61-3
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:2018-61-3
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures
Henan 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:2018-61-3
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Negotiable
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inquirySichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we guarantee high quality, competive price and reliable service. We fully compliance with ISO9001:2008, production and quality managemen
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:2018-61-3
Min.Order:0 Metric Ton
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inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
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:2018-61-3
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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:2018-61-3
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:2018-61-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryN-Acetyl-L-phenylalanine manufacturerAppearance:White powder Storage:keep sealed and keep from direct light Package:according to customers' requirements Application:pharmaceutical Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by sea(FOB
We 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:2018-61-3
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
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:2018-61-3
Min.Order:1 Kilogram
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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,
Cas:2018-61-3
Min.Order:1 Milligram
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Type:Trading Company
inquiryHigh quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle
Cas:2018-61-3
Min.Order:1 Metric Ton
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Type:Lab/Research institutions
inquiryN-acetamido cinnamic acid
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
With hydrogen; rhodium(I)-bis(1,5-cyclooctadiene) tetrafluoroborate; triethylamine; (2R,2'R)-bis(diphenylphosphino)-(1R,1'R)-dicyclopentane In tetrahydrofuran at 20℃; under 750.075 Torr; for 24h; | 100% |
With hydrogen; (1+)*BF4(1-) In ethanol; benzene under 20 Torr; | 99% |
With hydrogen; Rh(nbd)(1)BF4 In dichloromethane at 50℃; under 38787.1 Torr; for 12h; | 99% |
N-acetyl dehydrophenylalanine methyl ester
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
With hydrogen; bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate In methanol at 22℃; under 38000 Torr; | 100% |
Conditions | Yield |
---|---|
With ammonium bicarbonate; water In dichloromethane for 12h; α-chymotrypsin; | 100% |
With caesium carbonate In methanol; water for 24h; | 99% |
With caesium carbonate In methanol; water for 24h; Product distribution; other alcohols; | 99% |
With α-chymotrypsin In water at 25℃; Rate constant; pH 7.0-7.8; | |
With bis-Tris propane buffer; calcium chloride at 25℃; Rate constant; |
L-phenylalanine
acetic anhydride
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
In water for 0.0666667h; Irradiation; | 98% |
With sodium hydroxide In water pH=10; Cooling with ice; | 93% |
With sodium hydroxide In water at 20℃; for 3h; pH=8; Concentration; | 93% |
Conditions | Yield |
---|---|
With magnesium iodide In tetrahydrofuran at 120℃; for 1h; Inert atmosphere; Microwave irradiation; Sealed tube; chemoselective reaction; | 98% |
With sodium carbonate In methanol; water for 4h; | 88% |
With sodium carbonate In methanol; water for 4h; Product distribution; other alkali carbonates; | 88% |
With water In N,N-dimethyl-formamide carbonate buffer (pH=10.5); α-chymotrypsin-cat. hydrolysis (spec. activity); |
Conditions | Yield |
---|---|
In water at 110℃; for 0.0833333h; Microwave irradiation; Green chemistry; chemoselective reaction; | 97% |
With pyridine at 20℃; | 84.6% |
N-acetamido cinnamic acid
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
With hydrogen In tetrahydrofuran | 97% |
Conditions | Yield |
---|---|
With hydrogen In methanol; benzene | 96.2% |
N-acetylphenylalanine methyl ester
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
With sodium hydroxide In water Alcalase, pH 7.5; | 93.7% |
With cross-linked yeast cells (Saccharomyces cerevisiae); water In dimethyl sulfoxide at 30℃; for 48h; |
N-acetylphenylalanine methyl ester
A
(S)-2-acetylamino-3-phenylpropanoic acid
B
(R)-N-acetylphenylalanine methyl ester
Conditions | Yield |
---|---|
With sodium hydroxide; phosphate buffer; pronase EC 3.4.24.4 In tetrahydrofuran Ambient temperature; | A 86% B 93% |
Yield given. Yields of byproduct given; | |
With Lecitase Ultra; water; calcium chloride at 30℃; for 12h; pH=8.5; aq. buffer; Enzymatic reaction; enantioselective reaction; |
Conditions | Yield |
---|---|
With hydrogenchloride; acetic anhydride In sodium hydrogencarbonate; ethyl acetate | 90.3% |
With hydrogenchloride; acetic anhydride; triethylamine In water | |
Multi-step reaction with 2 steps 1: dichloromethane / 16 h / 20 °C 2: dichloromethane / 16.5 h / -40 - 20 °C View Scheme |
2-(N-acetylamino)cinnamic acid
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
With bis(norbornadiene)rhodium(l)tetrafluoroborate; (3S,3'S)-3,3'-di-tert-butyl-2,2',3,3'-tetrahydro-4,4'-bibenzo[d][1,3]oxaphosphole; hydrogen In methanol at 20℃; under 5171.62 Torr; for 24h; Autoclave; enantioselective reaction; | 90% |
With chloro(1,5-cyclooctadiene)rhodium(I) dimer; C48H42Fe2O2; hydrogen In methanol at 20℃; under 7600.51 Torr; for 24h; optical yield given as %ee; | 88% |
With hydrogen In ethanol Product distribution; Ambient temperature; various catalysts; |
(S)-N-acetylphenylalanine tert-butyl ester
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
With sulfuric acid In dichloromethane at 20℃; for 6h; | 90% |
Conditions | Yield |
---|---|
With copper(ll) sulfate pentahydrate In methanol at 20℃; for 0.0833333h; | 90% |
N-acetamido cinnamic acid
A
(R)-N-acetylphenylalanin
B
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
With [Rh(cod)(Xylophos)](1+)*BF4(1-); hydrogen In methanol at 19.85℃; under 760 Torr; for 6h; | A 11% B 89% |
With hydrogen; (1+); Dowex HCR-S In methanol; water at 50℃; under 15001.2 Torr; Product distribution; other rhodium(I)-complexes, various reaction conditions: time, pressure and temperatures; other derivatives of acetamidoacryl acid; | |
With hydrogen; chloro(1,5-cyclooctadiene)rhodium(I) dimer; optically active phosphine In methanol at 20 - 30℃; under 825.07 Torr; for 72h; Product distribution; various di- and triphosphines, other temperatures and times; |
alpha-acetaminocinnamic acid
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
82% |
Conditions | Yield |
---|---|
With (1-methyl-3-(3-sulfopropyl)-1H-imidazol-3-ium)3[PW12O403-] In neat (no solvent) at 120℃; for 0.333333h; Green chemistry; | 73% |
L-lysine n-butyl ester
ethyl N-acetyl-(L)-phenylalaninate
A
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
With Tris-HCl buffer; α-chymotropsin In water; N,N-dimethyl-formamide at 25℃; pH 9; | A n/a B 67% |
L-phenylalanine
(4-acetoxyphenyl)-dimethylsulphonium methyl sulphate
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
With triethylamine In water for 4h; Ambient temperature; pH=10.0; | 63% |
L-Lysine ethyl ester
ethyl N-acetyl-(L)-phenylalaninate
A
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
With Tris-HCl buffer; α-chymotropsin In water; N,N-dimethyl-formamide pH 9; | A n/a B 53% |
With α-chymotrypsin at 25℃; for 0.05h; Product distribution; various buffer and pH; |
ethyl N-acetyl-DL-phenylalaninate
A
(S)-2-acetylamino-3-phenylpropanoic acid
B
(R)-ethyl N-acetylphenylalanine
Conditions | Yield |
---|---|
With ammonium bicarbonate; water In dichloromethane for 18h; α-chymotrypsin; | A 50% B 50% |
A 50% B 50% | |
In ethanol; water at 35℃; for 48h; Yield given; |
ethyl N-acetyl-DL-phenylalaninate
A
(R)-N-acetylphenylalanin
B
(S)-2-acetylamino-3-phenylpropanoic acid
C
(R)-ethyl N-acetylphenylalanine
Conditions | Yield |
---|---|
With water In ethanol at 25℃; for 2h; Microbiological reaction; optical yield given as %ee; enantioselective reaction; | A n/a B n/a C 45% |
at 35℃; for 48h; in the present of Saccharomyces cerevisiae Hansen; Yield given. Yields of byproduct given; |
lysine benzyl ester p-toluenesulfonate salt
ethyl N-acetyl-(L)-phenylalaninate
A
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
With Tris-HCl buffer; α-chymotropsin In water; N,N-dimethyl-formamide at 25℃; pH 9; | A n/a B 31% |
(R,S)-N-acetyl phenylalanine
(1S)-endo-fenchylamine
(S)-2-acetylamino-3-phenylpropanoic acid
(R,S)-N-acetyl phenylalanine
(1S,2S)-2-amino-1-(4-nitrophenyl)propane-1,3-diol
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
Reaktion ueber mehrere Stufen; |
2-methyl-4-benzyl-4H-oxazolin-5-one
A
(R)-N-acetylphenylalanin
B
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
With alpha cyclodextrin In water; acetonitrile pH 7.86; Title compound not separated from byproducts; |
2-(N-acetylamino)cinnamic acid
A
(R)-N-acetylphenylalanin
B
(S)-2-acetylamino-3-phenylpropanoic acid
Conditions | Yield |
---|---|
With hydrogen In methanol at 25℃; under 3150.3 Torr; for 4h; Product distribution; enantioselectivity of reaction dependent on various rhodium complexes with 1,2-bis(phosphanyl)pyrrolidine ligands; various conditions; also N-acetylcinnamic acid methylester; | |
With 2S-MeN(PPh2)CHC7H7CH2OPPh2; hydrogen; Rh<(COD)Cl>2 Product distribution; other reagents; | |
With hydrogen; bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate; Br>n In ethanol at 20℃; Product distribution; asymmetric catalytic hydrogenation, enantiodifferentiating ability of the catalysts: atmospheric pressure of H2; var. catalysts, pressure, temp. and initial rate; |
Conditions | Yield |
---|---|
In water α-chymotrypsin, 0.05 M phosphate buffer pH 7.4; |
(S)-2-acetylamino-3-phenylpropanoic acid
(S)-2-acetylamino-3-cyclohexylpropionic acid
Conditions | Yield |
---|---|
With platinum(IV) oxide; hydrogen; acetic acid In methanol under 2585.81 Torr; for 24h; | 100% |
With hydrogen; rhodium on alumina In methanol for 56h; Ambient temperature; Pressure (range begins): 2.5 ; | 98.1% |
With C33H49ClNRh; hydrogen In 2,2,2-trifluoroethanol at 20℃; under 45004.5 Torr; for 24h; Autoclave; Molecular sieve; | 93% |
With acetic acid; platinum Hydrogenation; | |
With sodium tetrahydroborate; rhodium(III) chloride 30 deg C, water, pH=4; Yield given. Multistep reaction; |
2-hydroxy-1,1,2-trimethylpropyl ethylcarbamate
(S)-2-acetylamino-3-phenylpropanoic acid
A
4,4,5,5-tetramethyl-1,3-dioxolan-2-one
B
ethyl N-acetyl-(L)-phenylalaninate
Conditions | Yield |
---|---|
With tert.-butylnitrite; 3 A molecular sieve In dichloromethane at 60℃; for 12h; | A n/a B 100% |
(S)-2-acetylamino-3-phenylpropanoic acid
ethyl-(2-hydroxy-ethyl)-dimethyl-ammonium; hydroxide
Conditions | Yield |
---|---|
In water at 20℃; | 100% |
Conditions | Yield |
---|---|
In water at 20℃; | 100% |
(S)-2-acetylamino-3-phenylpropanoic acid
butyl(2-hydroxyethyl)dimethylammonium hydroxide
Conditions | Yield |
---|---|
In water at 20℃; | 100% |
Conditions | Yield |
---|---|
In water at 20℃; | 100% |
(S)-2-acetylamino-3-phenylpropanoic acid
ethyl iodide
ethyl N-acetyl-(L)-phenylalaninate
Conditions | Yield |
---|---|
With caesium carbonate In acetonitrile for 1.5h; Heating; | 99% |
With cesium fluoride In N,N-dimethyl-formamide at 15℃; for 24h; | 90% |
1-hydroxy-pyrrolidine-2,5-dione
(S)-2-acetylamino-3-phenylpropanoic acid
N-acetyl-L-phenylalanine N-hydroxysuccinimide ester
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 3.5h; | 99% |
With dicyclohexyl-carbodiimide In tetrahydrofuran at 0℃; | 85% |
With dicyclohexyl-carbodiimide at 0 - 20℃; |
(S)-2-acetylamino-3-phenylpropanoic acid
L-phenylalanine tert-butyl ester hydrochloride
N-Acetylphenylalanylphenylalanine tert-butyl ester
Conditions | Yield |
---|---|
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 23h; | 99% |
(S)-2-acetylamino-3-phenylpropanoic acid
rhodium
(S)-2-acetylamino-3-cyclohexylpropionic acid
Conditions | Yield |
---|---|
In methanol | 98.1% |
Conditions | Yield |
---|---|
With pepsin immobilized on terephthalaldehyde functionalized chitosan magnetic nanoparticle In acetonitrile at 20℃; for 48h; pH=2; | 98% |
With hydrogenchloride | |
With hydrogen bromide |
Conditions | Yield |
---|---|
With caesium carbonate In acetonitrile for 1.5h; Heating; | 98% |
(S)-2-acetylamino-3-phenylpropanoic acid
(R)-mandelic acid ethyl ester
Conditions | Yield |
---|---|
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran for 6h; Mitsunobu reaction; | 98% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; for 4.5h; | 96% |
methanol
(S)-2-acetylamino-3-phenylpropanoic acid
(S)-N-acetylphenylalanine
Conditions | Yield |
---|---|
With 4-methyl-morpholine; 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride | 95% |
With 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione at 70℃; for 20h; | 95% |
With N-Bromosuccinimide at 70℃; for 20h; | 91% |
methyl (2S)-2-amino-3-phenylpropanoate
(S)-2-acetylamino-3-phenylpropanoic acid
N-acetyl-L-phenylalanyl-L-phenylalanine methylester
Conditions | Yield |
---|---|
With 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride | 95% |
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane at 25℃; for 12h; | 53% |
With sodium hydroxide; thermolysin at 37℃; for 24h; pH=6.3; enzymatic amidation; |
(S)-2-acetylamino-3-phenylpropanoic acid
2-amino-3-[4-(tert-butoxycarbonylamino-methyl)-5-methoxymethoxy-6-methyl-pyridin-3-ylmethylsulfanyl]-propionic acid ethyl ester
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate | 95% |
(S)-2-acetylamino-3-phenylpropanoic acid
silver(l) oxide
Conditions | Yield |
---|---|
In acetonitrile slurry (S)-N-acetylphenylalanine in MeCN was added to slid Ag2O and stirred for 24 h in the dark; ppt. was filtered off, washed with Et2O, and dried in vacuo; elem. anal.; | 95% |
(S)-2-acetylamino-3-phenylpropanoic acid
(L)-N-acetyl-phenylalanine vinyl ester
Conditions | Yield |
---|---|
With N,N'-diethylurea; copper(II) bis(trifluoromethanesulfonate); triethylamine In tetrahydrofuran at 50℃; for 16h; Chan-Lam Coupling; | 94% |
(S)-2-acetylamino-3-phenylpropanoic acid
chloroacetonitrile
(S)-cyanomethyl 2-acetamido-3-phenylpropanoate
Conditions | Yield |
---|---|
With triethylamine In acetonitrile at 0 - 20℃; for 4.5h; | 93% |
With N-ethyl-N,N-diisopropylamine for 12h; | 90% |
With N-ethyl-N,N-diisopropylamine for 12h; | 90% |
With triethylamine In acetonitrile at 20℃; for 16h; Inert atmosphere; | 89% |
With triethylamine |
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