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Cas:16652-64-5
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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
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inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap
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inquiryAbout Product Technical Details H-TYR(BZL)-OH Chemical Properties Melting point 259 °C (dec.) (lit.) Boiling point 414.4°C (rough estimate) density 1.1111 (rough esti
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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
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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:16652-64-5
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inquiryName: O-benzyl oxide-L-tyrosine Synonyms: H-Tyr(Bzl)-OH CAS: 16652-64-5 MF: C16H17NO3 Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:25kg/drum Application:Organic Intermediate Transportation:By sea or by
1.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
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inquiryH-TYR(BZL)-OH CAS:16652-64-5 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 high quality organic intermedia
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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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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
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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
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inquiryour strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery
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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
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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
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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,
H-TYR(BZL)-OH Basic information Product Name: H-TYR(BZL)-OH Synonyms: (S)-2-AMino-3-(4-benzyloxyphenyl)propanoic;O-Benzyl-L-tyrosine >=99.0% (NT);(2S)-2-aMino-3-[4-(benzyloxy)phenyl]propanoic acid;L-Tyr(Bzl)-OH;(S)-2-AMINO-3-(4'-BENZYLO
Shandong 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
1.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:16652-64-5
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inquiryAppearance: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
Stock 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
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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Cas:16652-64-5
Min.Order:100 Gram
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inquiryO-benzyl-S-tyrosine
Conditions | Yield |
---|---|
With sodium sulfide In water at 25 - 30℃; for 0.166667h; | 93% |
O-benzyl-N-tert-butoxycarbonyl-L-tyrosine
O-benzyl-S-tyrosine
Conditions | Yield |
---|---|
With ammonia; hydrogen; palladium on activated charcoal In methanol for 0.5h; Ambient temperature; | 89% |
With hydrogenchloride In diethyl ether Hydrolysis; | |
With trifluoroacetic acid at 20℃; for 0.25h; |
O-benzyl-S-tyrosine
Conditions | Yield |
---|---|
With N,N-Dibutyl-N'-(benzoyl)thioharnstoff In ethanol for 2h; Heating; | 80% |
Conditions | Yield |
---|---|
Stage #1: L-tyrosine With sodium hydroxide; copper(II) sulfate for 1h; Heating; Stage #2: benzyl bromide With sodium hydroxide In methanol at 20℃; | 73% |
Stage #1: L-tyrosine With copper(ll) sulfate pentahydrate; sodium hydroxide In water at 70℃; for 1h; Stage #2: benzyl bromide With sodium hydroxide In methanol at 70℃; for 0.5h; | 68% |
Stage #1: L-tyrosine With copper(ll) sulfate pentahydrate; sodium hydroxide In water at 20 - 70℃; Stage #2: benzyl bromide With sodium hydroxide In methanol; water Enzymatic reaction; Stage #3: With edetate disodium In water at 70℃; for 4.5h; | 68% |
Conditions | Yield |
---|---|
Stage #1: L-tyrosine With potassium hydroxide; copper(II) sulfate In water at 15 - 65℃; for 1h; Stage #2: benzyl chloride In water; N,N-dimethyl-formamide at 20 - 55℃; for 2h; Stage #3: With hydrogenchloride; ammonia more than 3 stages; | 62% |
Conditions | Yield |
---|---|
Stage #1: O-benzyl-L-tyrosine coper complex; hydrogenchloride In water at 26 - 28℃; Stage #2: With ammonia In water Product distribution / selectivity; | 46% |
benzyl bromide
O-benzyl-S-tyrosine
Conditions | Yield |
---|---|
With sodium hydroxide | |
With sodium hydroxide |
Conditions | Yield |
---|---|
With copper(II) sulfate In methanol; sodium hydroxide; water |
Conditions | Yield |
---|---|
With copper(II) sulfate In methanol; sodium hydroxide; water | |
With copper(II) sulfate In methanol; sodium hydroxide; water | |
With copper(II) sulfate In methanol; sodium hydroxide; water |
Conditions | Yield |
---|---|
With thionyl chloride at 20℃; for 12h; | 100% |
With hydrogenchloride |
O-benzyl-S-tyrosine
Heptanoic acid chloride
(S)-3-(4-Benzyloxy-phenyl)-2-heptanoylamino-propionic acid
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran for 4h; Ambient temperature; | 99% |
With sodium hydroxide In tetrahydrofuran; water for 5h; Acylation; | 99% |
Conditions | Yield |
---|---|
Stage #1: O-benzyl-S-tyrosine With 1H-imidazole; tris[(1,1,1,3,3,3-hexafluoropropan-2-yl)oxy]silane; cesium fluoride In chloroform at 30℃; for 1h; Inert atmosphere; Sealed tube; Stage #2: With N-methyl-N-tert-butyldimethylsilyl-1,1,1-trifluoroacetamide In chloroform at 30℃; for 1h; Inert atmosphere; Sealed tube; Stage #3: Ala-OtBu In chloroform at 30℃; for 6h; Inert atmosphere; Sealed tube; | 99% |
methanol
O-benzyl-S-tyrosine
methyl 2S-amino-3-(4-benzyloxyphenyl)propionate hydrochloride
Conditions | Yield |
---|---|
With thionyl chloride for 72h; Ambient temperature; | 98% |
With thionyl chloride at 0℃; Reflux; | 90% |
O-benzyl-S-tyrosine
benzyl chloroformate
N-benzyloxycarbonyl-O-benzyl-L-tyrosine
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran; water at 0℃; for 2h; | 95% |
With sodium hydroxide |
O-benzyl-S-tyrosine
trichloromethyl chloroformate
N-Carboxy-O-benzyl-L-tyrosine Anhydride
Conditions | Yield |
---|---|
In tetrahydrofuran at 55℃; for 2h; Temperature; | 93.3% |
O-benzyl-S-tyrosine
2-[4-(benzyloxy)phenyl]acetonitrile
Conditions | Yield |
---|---|
With sodium hydroxide; trichloroisocyanuric acid at 25℃; for 1h; | 93% |
pentamethylbenzene,
O-benzyl-S-tyrosine
(2,3,4,5,6-pentamethylphenyl)phenylmethane
Conditions | Yield |
---|---|
With trifluoroacetic acid for 7h; Ambient temperature; | 91% |
Conditions | Yield |
---|---|
In tetrahydrofuran mixing of soln. of PhCH2OC6H4CH2CH(NH2)CO2H in THF with CoCl2 (0.5 equiv.), stirring for 3 h at 50-60°C; removal of solvent, washing several times with Et2O, MeOH and H2O, elem.anal.; | 90% |
O-benzyl-S-tyrosine
ethyl acetoacetate
N-cyclohexyl-cyclohexanamine
(Z)-3-[(S)-2-(4-Benzyloxy-phenyl)-1-carboxy-ethylamino]-but-2-enoic acid ethyl ester; compound with dicyclohexyl-amine
Conditions | Yield |
---|---|
In methanol; ethanol; water for 3h; Heating; | 89% |
O-benzyl-S-tyrosine
2,2,2-Trichloroethyl chloroformate
O-benzyl-N-Tcc-L-tyrosine
Conditions | Yield |
---|---|
In ethyl acetate Heating; | 85% |
2,5-dioxopyrrolidin-1-yl (2S)-2-(((benzyloxy)carbonyl)amino)-3-methylbutanoate
O-benzyl-S-tyrosine
N-benzoxycarbonyl-L-valyl-O-benzyl-L-tyrosine
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran; water at 20℃; Condensation; | 78% |
O-benzyl-S-tyrosine
(S)-2-amino-3-(4-benzyloxyphenyl)-1-propanol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; for 6h; | 77% |
Stage #1: O-benzyl-S-tyrosine With sodium tetrahydroborate; iodine In tetrahydrofuran for 3h; Heating; Stage #2: With potassium hydroxide In tetrahydrofuran; methanol at 20℃; | 66% |
Yield given. Multistep reaction; |
O-benzyl-S-tyrosine
sodium acetate
(S)-2-acetoxy-3-(4-(benzyloxy)phenyl)propanoic acid
Conditions | Yield |
---|---|
With acetic acid; isopentyl nitrite at 20℃; for 72h; | 77% |
O-benzyl-S-tyrosine
(S)-3-(4-(benzyloxy)phenyl)-2-hydroxypropanoic acid
Conditions | Yield |
---|---|
Stage #1: O-benzyl-S-tyrosine With sulfuric acid; sodium nitrite In tetrahydrofuran; water at 0 - 20℃; for 3h; Stage #2: With water In tetrahydrofuran at 10 - 20℃; | 76% |
With sulfuric acid; sodium nitrite In water; N,N-dimethyl-formamide at 20℃; for 13h; Inert atmosphere; | 62% |
Stage #1: O-benzyl-S-tyrosine With potassium hydrogensulfate In 1,4-dioxane; water at 0 - 5℃; for 1h; Stage #2: With sodium nitrite In 1,4-dioxane; water at 30℃; for 4h; Product distribution / selectivity; | 50% |
bis(trichloromethyl) carbonate
O-benzyl-S-tyrosine
N-Carboxy-O-benzyl-L-tyrosine Anhydride
Conditions | Yield |
---|---|
Stage #1: O-benzyl-S-tyrosine With Pinene In ethyl acetate Inert atmosphere; Reflux; Stage #2: bis(trichloromethyl) carbonate In ethyl acetate for 2h; Inert atmosphere; Reflux; | 75% |
Stage #1: O-benzyl-S-tyrosine With Pinene In ethyl acetate at 90℃; for 0.25h; Stage #2: bis(trichloromethyl) carbonate at 90℃; |
formaldehyd
O-benzyl-S-tyrosine
Conditions | Yield |
---|---|
With sodium cyanoborohydride; acetic acid In water; acetonitrile at 22℃; for 1h; pH=Ca.7; Inert atmosphere; | 75% |
Conditions | Yield |
---|---|
In tetrahydrofuran; toluene at 50℃; for 1.5h; | 74.3% |
In tetrahydrofuran; toluene at 50℃; for 1.5h; | 74.3% |
In tetrahydrofuran; toluene at 50℃; for 1h; | 65% |
O-benzyl-S-tyrosine
Conditions | Yield |
---|---|
With sodiumsulfide nonahydrate; water; iodine; acetic acid In dimethyl sulfoxide at 100℃; for 8h; | 73% |
di-tert-butyl dicarbonate
O-benzyl-S-tyrosine
O-benzyl-N-tert-butoxycarbonyl-L-tyrosine
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane; water at 20 - 40℃; for 18h; pH=10.4; | 70% |
In water; tert-butyl alcohol pH 9.5-10.0; | |
With sodium hydroxide; sodium hydrogencarbonate In 1,4-dioxane at 20℃; | |
With sodium hydroxide In water; tert-butyl alcohol at 20℃; | 2.46 g |
Stage #1: O-benzyl-S-tyrosine With sodium hydroxide In water; tert-butyl alcohol Cooling with ice; Stage #2: di-tert-butyl dicarbonate In water; tert-butyl alcohol at 20℃; Stage #3: With hydrogenchloride In water; tert-butyl alcohol | 2.46 g |
O-benzyl-S-tyrosine
Conditions | Yield |
---|---|
With water; iodine; trifluoroacetic acid In dimethyl sulfoxide at 120℃; for 8h; | 66% |
Conditions | Yield |
---|---|
With thionyl chloride at 40℃; for 4h; Esterification; | 64% |
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; water addn. of soln. of PhCH2OC6H4CH2CH(NH2)CO2H in MeOH to aq. NaOH and Zn(OAc)2 (0.5 equiv.), stirring for 3 h at 50-60°C; removal of solvent, washing several times with Et2O, MeOH and H2O, elem.anal.; | 63% |
Conditions | Yield |
---|---|
Stage #1: di-tert-butyl dicarbonate; O-benzyl-S-tyrosine With sodium hydrogencarbonate In tetrahydrofuran; water for 3h; Stage #2: With tert-Butyl 2,2,2-trichloroacetimidate In tetrahydrofuran Stage #3: With hydrogenchloride; trifluoroacetic acid In dichloromethane; water | 60% |
O-benzyl-S-tyrosine
bromoacetic acid methyl ester
(methoxycarbonyl)methyl 2-(bis(methoxycarbonylmethyl)-L-amino)-3-(4-(benzyloxy)phenyl)propionate
Conditions | Yield |
---|---|
With tetra-(n-butyl)ammonium iodide; potassium carbonate In various solvent(s) at 108℃; for 16h; | 55% |