cyclo-3-bromo-4-O-methyl-L-tyrosyl-L-tyrosine

Base Information

Chemical Name:cyclo-3-bromo-4-O-methyl-L-tyrosyl-L-tyrosine
CAS No.:98778-76-8
Molecular Formula:C₁₉H₁₉BrN₂O₄
Molecular Weight:419.275
Hs Code.:

Synonyms:

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Chemical Property of cyclo-3-bromo-4-O-methyl-L-tyrosyl-L-tyrosine

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Technology Process of cyclo-3-bromo-4-O-methyl-L-tyrosyl-L-tyrosine

There total 5 articles about cyclo-3-bromo-4-O-methyl-L-tyrosyl-L-tyrosine which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

: 6230-11-1
O-Methyltyrosine

: 98778-76-8
cyclo-3-bromo-4-O-methyl-L-tyrosyl-L-tyrosine

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) Br₂, 98percent formic acid, 2.) 3N aq. HCl / 1.) 6 h, 2.) reflux, 1 h

2: 92 percent / thionyl chloride / 3 h / Heating

3: 87 percent / triethylamine, dicyclohexylcarbodiimide / dimethylformamide / 2 h / 0 °C

4: 1.) 98percent formic acid / 1.) 25 deg C, 2.) 2-BuOH, reflux

With hydrogenchloride; formic acid; thionyl chloride; bromine; triethylamine; dicyclohexyl-carbodiimide; In N,N-dimethyl-formamide;
DOI:10.1021/jo00224a051

Reference yield:

: 3978-80-1
Boc-Tyr-OH

: 98778-76-8
cyclo-3-bromo-4-O-methyl-L-tyrosyl-L-tyrosine

Guidance literature:: Multi-step reaction with 2 steps

1: 87 percent / triethylamine, dicyclohexylcarbodiimide / dimethylformamide / 2 h / 0 °C

2: 1.) 98percent formic acid / 1.) 25 deg C, 2.) 2-BuOH, reflux

With formic acid; triethylamine; dicyclohexyl-carbodiimide; In N,N-dimethyl-formamide;
DOI:10.1021/jo00224a051

Reference yield:

: 98778-82-6
(S)-2-amino-3-(3-bromo-4-methoxyphenyl)propanoic acid

: 98778-76-8
cyclo-3-bromo-4-O-methyl-L-tyrosyl-L-tyrosine

Guidance literature:: Multi-step reaction with 3 steps

1: 92 percent / thionyl chloride / 3 h / Heating

2: 87 percent / triethylamine, dicyclohexylcarbodiimide / dimethylformamide / 2 h / 0 °C

3: 1.) 98percent formic acid / 1.) 25 deg C, 2.) 2-BuOH, reflux

With formic acid; thionyl chloride; triethylamine; dicyclohexyl-carbodiimide; In N,N-dimethyl-formamide;
DOI:10.1021/jo00224a051