748068-32-8

Basic information

• Product Name: Tyrosine, O-ethyl- (9CI)
• Synonyms: Tyrosine, O-ethyl- (9CI);O-Ethyl-DL-tyrosine
• CAS NO: 748068-32-8
• Molecular Formula: C11H15NO3
• Molecular Weight: 209.2417
• Product Categories: ETHOXY
• Mol File: 748068-32-8.mol
• Article Data: 5

Chemical Properties

• Appearance: /
• CAS DataBase Reference: Tyrosine, O-ethyl- (9CI)(CAS DataBase Reference)
• NIST Chemistry Reference: Tyrosine, O-ethyl- (9CI)(748068-32-8)
• EPA Substance Registry System: Tyrosine, O-ethyl- (9CI)(748068-32-8)

Safety Data

• Hazardous Substances Data: 748068-32-8(Hazardous Substances Data)

Upstream product

• 76757-92-1 (R)-2-((tert-butoxycarbonyl)amino)-3-(4-ethoxyphenyl)propanoic acid 
• 3799-87-9 methyl (2,2,2-trifluoroacetyl)-L-tyrosinate 
• 3417-91-2 L-tyrosine methyl ester HCl 
• 60-18-4 L-tyrosine 
• 76757-91-0 N-tert-butoxycarbonyl-O-ethyl-L-tyrosine 
• 64-67-5 diethyl sulfate 
• 537-55-3 N-acetyl-L-tyrosine 

Downstream Products

• 82057-54-3 o-nitrobenzenesulfenyl-O-ethyltyrosyl-isoleucyl-glutaminyl-asparaginyl-S-(β-carboxyethyl)homocysteinyl-prolyl-leucyl-glycine amide 
• 77730-81-5 <2-O-ethyltyrosine>deamino-6-carba-oxytocin 
• 85676-28-4 Boc-Tyr(Et)-Arg-OMe_.CH₃COOH 
• 82057-60-1 (S)-3-(4-Ethoxy-phenyl)-2-(2-nitro-phenylsulfanylamino)-propionic acid 

Relevant articles and documents

Preparation method of L-tyrosine derivative

The invention discloses a preparation method of an L-tyrosine derivative. The L-tyrosine derivative is O-alkyl-N-[fluorenylmethoxycarbonyl]-L-tyrosine, L-tyrosine is used as a starting material, the O-alkyl-N-[fluorenylmethoxycarbonyl]-L-tyrosine is prepared through esterification, amidation, etherification/hydrolysis and amidation in sequence, the total yield of the target product can reach 61.5%, and the ee value can reach 99% or above. The preparation method disclosed by the invention has the advantages of cheap and easily available raw materials, lower cost and the like, for example, separation of triphenylphosphine oxide is avoided through etherification reaction. The method has the advantages of simple process, short route, mild reaction conditions and the like, for example, etherification and hydrolysis adopt a one-pot method; and the whole technological process generates few three wastes, the product yield and purity are high, and the method is suitable for industrial production.

Process to prepare (2S)-2-(dipropylamino)-6-ethoxy-2,3-dihydro-1H-indene-5-carboxamide

The present invention is a process, including intermediates, to produce (2S)-2-dipropylamino)-6-ethoxy-2,3-dihydro-1H-indene-5-carboxamide which is a useful pharmaceutical agent.

Studies on analgesic oligopeptides. II. Structure-activity relationship among thirty analogs of a cyclic dipeptide, cyclo(-Tyr-Arg-)

Thirty diketopiperazines were synthesized as analogs of cyclo(-Tyr-Arg-). The analgesic activities of these analogs were evaluated after intracerebral administration in mice. In the cyclo(-X-Arg-) series of analogs, cyclo[-Tyr(Et)-Arg-] showed the most po