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:2577-90-4
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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:2577-90-4
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inquiry1.In No Less 10 years exporting experience. you 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 Specializ
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inquirymethyl 3-phenyl-L-alaninate CAS:2577-90-4 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 organi
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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
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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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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 present
Cas:2577-90-4
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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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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:2577-90-4
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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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inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:2577-90-4
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inquiryR & 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
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inquiryShanghai Finebiotech Co.,Ltd.was established in 2020, which providing professional chemical services. As a customer-oriented company, we have distinguished ourself from others in providing worldwide customers with cost-effective and efficient service
1.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:2577-90-4
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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
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inquiryL-Phenylalanine methyl esterAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:2577-90-4
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inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:2577-90-4
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inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Cas:2577-90-4
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inquiryFor quick quotation, please send us the inquiry include CAS#, Structure, Chemical Name, quantity, purity, as well as any additional specifications you require, we will try to get back to you within 24 hours. Our Services Besides manufacturing,
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inquiryCompound sourcing ServicesAgency of testing serviceFactory audit serviceFounded in Dec. 1999, Nanjing Chemlin Chemical Industrial Co.,Ltd(CHEMLIN) has been covering the business scope from trading of chemicals to custom-synthesis & Manufacturing. Co
L-Phenylalanine methyl ester CAS#2577-90-4 Storage:Keep container tightly closed in a dry, cool and well-ventilated place. Package:25Kg/drum, 150Kg/drum, 200kg/drum, According to request. Transportation:By sea, by air.
United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Cas:2577-90-4
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inquiryJoyinchem have been committed to chemical supply for several years and have built good cooperation records with multinational chemical corporations and importers from all over the world. Our services include:-Spot goods-Contract manufacturing-Custom
Cas:2577-90-4
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inquiryR & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
L-Phenylalanine, methylester Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shenzhen
Conditions | Yield |
---|---|
With thionyl chloride | 100% |
With thionyl chloride at -10 - 20℃; Inert atmosphere; | 100% |
With thionyl chloride at 0 - 20℃; | 99% |
methyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-phenylalaninate
phenylmethanethiol
A
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In N,N-dimethyl-formamide for 0.0333333h; Product distribution; other protected peptides, other thiol, var. TBAF conc., var. time, var. solvent, with or without ultrasound mixing; | A n/a B 100% |
With tetrabutyl ammonium fluoride In N,N-dimethyl-formamide for 0.05h; | A n/a B 100% |
(E)-α-(N-acylamino)cinnamic acid methyl ester
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With hydrogen; (S)Fc-α-S(C5H5)Fe(C5H3(PPh2)CH(OH)C6H4(PPh2)); [Rh(norbornadiene)2]BF4 In methanol at 25℃; under 750.075 Torr; for 1h; Product distribution / selectivity; | 100% |
With hydrogen; (S)-1-diphenylphosphino-2-[α-(S)-methoxy(o-diphenylphosphinophenyl)methyl]ferrocene; [Rh(norbornadiene)2]BF4 In methanol at 25℃; under 750.075 Torr; for 1h; Product distribution / selectivity; | 100% |
methyl (2S)-2-amino-3-phenylpropanoate hydrochloride
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With Amberlyst A21 In dichloromethane at 0 - 20℃; for 2h; stereoselective reaction; | 99% |
With Amberlyst A21 resin In dichloromethane at 0 - 20℃; for 2h; Reagent/catalyst; | 99% |
With potassium carbonate In dichloromethane; water at 20℃; | 97% |
N-carbobenzoxy-L-phenylalanine methyl ester
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With hydrogen In methanol at 27℃; under 750.075 Torr; for 2h; Reagent/catalyst; Green chemistry; | 99% |
methyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-phenylalaninate
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With piperazine; diethyl {[(1-methoxy-1-oxo-3-phenylpropan-2-yl)amino]methylidene}propanedioate In ethanol at 20℃; for 0.5h; | 98% |
With sodium azide In N,N-dimethyl-formamide at 50℃; for 3h; | 97% |
With triethylamine; 1-butyl-3-methylimidazolium Tetrafluoroborate In neat (no solvent) at 25℃; Green chemistry; | 82% |
With aluminium trichloride; N,N-dimethyl-aniline In dichloromethane for 4h; Heating; | |
With Octanethiol; tetrabutyl ammonium fluoride In N,N-dimethyl-formamide for 0.166667h; Inert atmosphere; |
N-Cbz-L-Asp
A
methyl (2S)-2-amino-3-phenylpropanoate
B
N-carbobenzyloxy-L-aspartyl-L-phenylalanine methyl ester
Conditions | Yield |
---|---|
In N-methyl-acetamide; water | A 95.5% B n/a |
Conditions | Yield |
---|---|
With sodium hydroxide; sulfuric acid In methanol; water | 94.5% |
N-(((tert-butyldimethylsilyl)oxy)carbonyl)phenylalanine methyl ester
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran for 1h; Ambient temperature; | 93% |
(S)-2-(2-Aza-bicyclo[2.2.1]hept-5-en-2-yl)-3-phenyl-propionic acid methyl ester
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
Bio-Rad AG 50W-X2 In ethanol at 45℃; for 1.5h; | 93% |
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With mushroom tyrosinase E.C. 1.14.18.1; oxygen In phosphate buffer; acetonitrile at 20℃; | 93% |
N-Tsoc-phenylalanine methyl ester
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran at 0℃; | 92% |
With tetrabutyl ammonium fluoride In tetrahydrofuran for 0.166667h; Inert atmosphere; Schlenk technique; | 89% |
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With Amberlite IRA-400 bound triethylammonium tetrathiomolybdate In methanol at 28℃; for 1h; ultrasonication; | 92% |
(S)-methyl-(N-allyloxycarbonyl)phenylalaninate
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With sodium tetrahydroborate; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran | 91% |
1H,1H,2H,2H-Perfluorodecanethiol
(S)-methyl 2-(2-nitrophenylsulfonamido)-3-phenylpropanoate
A
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 50℃; | A 91% B n/a |
(S)-methyl 2-(4,5-dimethoxy-2-methylbenzylamino)-3-phenylpropanoate
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With ammonium cerium (IV) nitrate; water In acetonitrile at 20℃; for 48h; Inert atmosphere; | 91% |
(S)-2-tert-butoxycarbonylamino-3-phenyl-propionic acid methyl ester
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With phosphoric acid In dichloromethane at 20℃; for 3h; | 90% |
With 3-butyl-l-methyl-1H-imidazol-3-iumtrifloroacetate In 1,4-dioxane; water at 80 - 82℃; for 3h; | 70% |
With molecular sieve; boron trifluoride diethyl etherate In dichloromethane for 20h; Ambient temperature; |
diethyl {[(1-methoxy-1-oxo-3-phenylpropan-2-yl)amino]methylidene}propanedioate
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With ethylenediamine In ethanol at 20℃; for 2.3h; | 90% |
2-(4-methoxybenzylamino)-3-phenypropionic acid methyl ester
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With hydrogenchloride; riboflavin tetraacetate; water In acetonitrile for 1h; pH=3; Irradiation; In air; | 90% |
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With mushroom tyrosinase E.C. 1.14.18.1; oxygen In phosphate buffer; acetonitrile at 20℃; | 87% |
(S)-2-azido-3-phenylpropionic acid methyl ester
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In ethanol at 20℃; for 12h; | 85% |
With hydrogen; palladium on activated charcoal |
Conditions | Yield |
---|---|
With sulfuric acid In methanol | 83.2% |
With sulfuric acid In methanol | |
Multi-step reaction with 2 steps 1.1: acetyl chloride / 0.17 h / 10 °C 1.2: 8 h / 10 - 20 °C 2.1: sodium hydroxide / chloroform View Scheme |
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride; sodium acetate In methanol | 80% |
methanol
N-(1-Benzotriazolylcarbonyl)-L-phenylalanin
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With TEA at 20℃; for 4h; | 78% |
N,N-bis-allyl-L-phenylalanine methyl ester
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With Wilkinson's catalyst In water; acetonitrile for 2h; Heating; | 76% |
(2R,5S)-2-Benzyl-5-isopropyl-3,6-dimethoxy-2,5-dihydro-pyrazine
A
L-Valine methyl ester
B
methyl (2S)-2-amino-3-phenylpropanoate
C
D-phenylalanine methyl ester
Conditions | Yield |
---|---|
With hydrogenchloride for 10h; Ambient temperature; | A n/a B n/a C 73% |
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
Stage #1: methyl (2-methoxybenzoyl)phenylalaninate With Schwartz's reagent In tetrahydrofuran at -5 - 0℃; for 2h; Inert atmosphere; Stage #2: With ammonium chloride In tetrahydrofuran at 20℃; for 12h; Inert atmosphere; | 68% |
methyl N-{[2-(trimethylsilyl)ethyl]sulfonyl}-L-phenylalaninate
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
With hydrogen fluoride; methoxybenzene In dichloromethane at 0℃; for 1h; desulfonylation; | 65% |
methyl (2S)-2-amino-3-phenylpropanoate
N-tert-butoxycarbonyl-L-phenylalanine
(S)-methyl 2-((S)-2-(tert-butoxycarbonylamino)-3-phenylpropanamido)-3-phenylpropanoate
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 In various solvent(s) at 65℃; for 3h; | 100% |
With 6-chloro-3-((dimethylamino)(dimethyliminio)methyl)-1H-benzo[d][1,2,3]triazol-3-ium-1-olatehexafluorophosphate(V); N-ethyl-N,N-diisopropylamine In dichloromethane | 98% |
With 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride In Dichlorodifluoromethane; water at 20℃; for 3h; | 96% |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate; diborane In tetrahydrofuran at 20℃; for 1h; | 100% |
With hydrogen In ethanol at 110℃; under 30003 Torr; Reagent/catalyst; Autoclave; chemoselective reaction; | 91.1% |
With lithium aluminium tetrahydride In tetrahydrofuran for 4h; Heating; | 86% |
methyl (2S)-2-amino-3-phenylpropanoate
N-Cbz-L-Asp
N-carbobenzyloxy-L-aspartyl-L-phenylalanine methyl ester
Conditions | Yield |
---|---|
thermolysin-immobilized capsule membrane In chloroform at 45℃; for 24h; | 100% |
thermolysin-immobilized capsule membrane In chloroform at 45℃; for 24h; Mechanism; KM, kcat; other catalyst, rection time, temperature; | 100% |
at 55℃; cross-linked enzyme crystal (T-CLEC); | 95% |
Conditions | Yield |
---|---|
With ammonium bicarbonate; water In dichloromethane for 48h; α-chymotrypsin; | 100% |
With sodium hydroxide In water; ethyl acetate pH=9 - 10; | 93% |
at 25℃; for 0.833333h; enzyme alcalase from Bacillus licheniforms; pH 8.2; |
methyl (2S)-2-amino-3-phenylpropanoate
acetic anhydride
(S)-N-acetylphenylalanine
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 4h; | 100% |
With sodium hydrogencarbonate In dichloromethane; water at 25℃; for 4h; Schotten-Baumann Reaction; | 100% |
With triethylamine In dichloromethane at 20℃; for 1h; | 94% |
di-tert-butyl dicarbonate
methyl (2S)-2-amino-3-phenylpropanoate
(S)-2-tert-butoxycarbonylamino-3-phenyl-propionic acid methyl ester
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine | 100% |
copper(II) bis(tetrafluoroborate) at 30 - 35℃; for 0.166667h; | 99% |
With sodium hydrogencarbonate In 1,4-dioxane; water at 0℃; for 1h; | 99% |
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
In dichloromethane | 100% |
di-tert-butyl dicarbonate
methyl (2S)-2-amino-3-phenylpropanoate
methyl (S)-2-[bis(tert-butoxycarbonyl) amino]-3-phenylpropanoate
Conditions | Yield |
---|---|
With dmap | 100% |
Stage #1: di-tert-butyl dicarbonate; methyl (2S)-2-amino-3-phenylpropanoate With sodium carbonate In tetrahydrofuran; water at 0 - 20℃; Stage #2: With dmap In acetonitrile at 20℃; | 92% |
methyl (2S)-2-amino-3-phenylpropanoate
N-Boc-D-serine(Bzl)-OH
(S)-2-((R)-3-Benzyloxy-2-tert-butoxycarbonylamino-propionylamino)-3-phenyl-propionic acid methyl ester
Conditions | Yield |
---|---|
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; | 100% |
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane |
1-boraadamantane tetrahydrofuranate
methyl (2S)-2-amino-3-phenylpropanoate
Conditions | Yield |
---|---|
100% |
methyl (2S)-2-amino-3-phenylpropanoate
N-(tert-butoxycarbonyl)-L-tert-leucine
Conditions | Yield |
---|---|
With 6-chloro-3-((dimethylamino)(dimethyliminio)methyl)-1H-benzo[d][1,2,3]triazol-3-ium-1-olatehexafluorophosphate(V); N-ethyl-N,N-diisopropylamine In dichloromethane | 100% |
methyl (2S)-2-amino-3-phenylpropanoate
(S)-methyl 2-((S)-2-(tert-butoxycarbonylamino)-3-phenylpropanamido)-3-phenylpropanoate
Conditions | Yield |
---|---|
With zinc diacetate; sodium acetate In tetrahydrofuran at 60℃; for 24h; Reagent/catalyst; Temperature; | 100% |
Conditions | Yield |
---|---|
Stage #1: N-Fmoc L-Phe With N,N'-dimethylbenzylamine; isopropyl chloroformate; N-ethyl-N,N-diisopropylamine In 1,4-dioxane; acetonitrile at 60℃; for 0.00139167h; Flow reactor; Stage #2: methyl (2S)-2-amino-3-phenylpropanoate With 1-methyl-1H-imidazole; hydrogenchloride In 1,4-dioxane; water; acetonitrile at 60℃; for 0.0333333h; Flow reactor; | 100% |
Conditions | Yield |
---|---|
With triethylamine In chloroform at 20℃; for 0.0222222h; Flow reactor; | 99.9% |
In diethyl ether for 3h; Heating; | 57% |
methyl (2S)-2-amino-3-phenylpropanoate
methoxycarbonylmethylamine
(S)-PheGly
Conditions | Yield |
---|---|
Stage #1: methyl (2S)-2-amino-3-phenylpropanoate at 50℃; Ionic liquid; Inert atmosphere; Stage #2: With trifluoroacetic acid Stage #3: methoxycarbonylmethylamine Temperature; Further stages; | 99.9% |
N-tert-butoxycarbonyl-L-leucine
methyl (2S)-2-amino-3-phenylpropanoate
(N-(tert-butoxycarbonyl)-L-leucinyl)-L-phenylalanine methyl ester
Conditions | Yield |
---|---|
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; Inert atmosphere; | 99% |
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane; acetonitrile at 20℃; Inert atmosphere; | 99% |
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 1h; Inert atmosphere; | 99% |
methyl (2S)-2-amino-3-phenylpropanoate
benzotriazol-1-yl p-aminobenzoate
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide Ambient temperature; | 99% |
methyl (2S)-2-amino-3-phenylpropanoate
benzyl bromide
N,N-dibenzyl-L-phenylalanine methyl ester
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran; dimethyl sulfoxide for 12h; Reflux; | 99% |
With sodium hydrogencarbonate In tetrahydrofuran; dimethyl sulfoxide at 85℃; for 16h; |
methyl (2S)-2-amino-3-phenylpropanoate
N-tert-butoxycarbonyl-N-methyl-D-phenylalanine
Boc-D-Phe(N-Me)-Phe-OMe
Conditions | Yield |
---|---|
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; Inert atmosphere; | 99% |
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane; acetonitrile at 20℃; Inert atmosphere; | 97% |
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; | 90% |
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane |
methyl (2S)-2-amino-3-phenylpropanoate
Boc-D-Phe-OH
t-Boc-D-phenylalanyl-L-phenylalanine methyl ester
Conditions | Yield |
---|---|
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane; acetonitrile at 20℃; Inert atmosphere; | 99% |
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; | 98% |
With 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride | 95% |
methyl (2S)-2-amino-3-phenylpropanoate
(3S)-2-tert-butoxycarbonyl-1,2,3,4-tetrahydro-beta-carboline-3-carboxylic acid
(S)-tert-butyl 3-((S)-1-methoxy-1-oxo-3-phenylpropan-2-ylcarbamoyl)-3,4-dihydro-1H-pyrido[3,4-b]indole-2(9H)-carboxylate
Conditions | Yield |
---|---|
Stage #1: (3S)-2-tert-butoxycarbonyl-1,2,3,4-tetrahydro-beta-carboline-3-carboxylic acid With benzotriazol-1-ol In tetrahydrofuran at 0℃; for 0.166667h; Stage #2: methyl (2S)-2-amino-3-phenylpropanoate With 4-methyl-morpholine; dicyclohexyl-carbodiimide In tetrahydrofuran at 0 - 20℃; for 18h; | 99% |
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran at 0 - 20℃; for 18h; | 98% |
methyl (2S)-2-amino-3-phenylpropanoate
(R)-N-(tert-butoxycarbonyl)-4-fluoro-3-nitrophenylalanine
Conditions | Yield |
---|---|
With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane at 25℃; for 12h; | 99% |
methyl (2S)-2-amino-3-phenylpropanoate
p-toluenesulfonyl chloride
N-(p-toluenesulfonyl)-L-phenylalanine methyl ester
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 12h; Inert atmosphere; | 99% |
In water at 110℃; for 0.0833333h; Microwave irradiation; Green chemistry; chemoselective reaction; | 94% |
β‐cyclodextrin In various solvent(s) at 20℃; for 0.75h; pH=8; | 90% |
With erbium(III) triflate In 2-methyltetrahydrofuran for 2h; Green chemistry; |
Conditions | Yield |
---|---|
at 120℃; for 10h; Inert atmosphere; Neat (no solvent); stereoselective reaction; | 99% |
methyl (2S)-2-amino-3-phenylpropanoate
1-acetyl-2,3,4,6,7,8-hexahydropyrrolo[1,2-a]pyrimidinium tetraphenylborate
(S)-N-acetylphenylalanine
Conditions | Yield |
---|---|
In acetonitrile at 80℃; for 1h; Inert atmosphere; | 99% |
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