BOC-CYS(Z-AMINOETHYL)-OH

Base Information

• Chemical Name: BOC-CYS(Z-AMINOETHYL)-OH
• CAS No.: 85003-76-5
• Molecular Formula: C18H26 N2 O6 S
• Molecular Weight: 398.47400
• Mol file: 85003-76-5.mol

Synonyms:L-Cysteine,N-[(1,1-dimethylethoxy)carbonyl]-S-[2-[[(phenylmethoxy)carbonyl]amino]ethyl]-(9CI)

Chemical Property of BOC-CYS(Z-AMINOETHYL)-OH

Chemical Property:

• PSA: 139.26000
• LogP: 3.40570
• Storage Temp.: -15°C

Purity/Quality:

99% ^*data from raw suppliers

Boc-S-Z-aminoethyl-L-cysteine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: Boc-S-Z-aminoethyl-L-cysteine is a useful intermediate, used in the preparation of Somatostatin (S676753) analogs.

Technology Process of BOC-CYS(Z-AMINOETHYL)-OH

There total 2 articles about BOC-CYS(Z-AMINOETHYL)-OH 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:

S-(2-Carbobenzyloxyaminoethyl)-L-cysteine + di-tert-butyl dicarbonate (24424-99-5) → N-t-Butoxycarbonyl-S-(2-carbobenzyloxyaminoethyl)-L-cysteine (85003-76-5)

Guidance literature:

With hydrogenchloride; sodium hydroxide; In dioxane-water;

Reference yield:

di-tert-butyl dicarbonate (24424-99-5) + S-(2-benzyloxycarbonylamino-ethyl)-L-cysteine (41889-04-7) → N-t-Butoxycarbonyl-S-(2-carbobenzyloxyaminoethyl)-L-cysteine (85003-76-5)

Guidance literature:

With sodium hydroxide; In 1,4-dioxane;

DOI:10.1016/S0960-894X(00)00055-X

Reference yield:

N-t-Butoxycarbonyl-S-(2-carbobenzyloxyaminoethyl)-L-cysteine (85003-76-5) + benzyl alcohol (100-51-6,185532-71-2) → Benzyl (R)-3-(2-benzyloxycarbonylaminoethylsulfanyl)-2-tert-butoxycarbonylaminopropionate (1198185-64-6)

Guidance literature:

With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In dichloromethane; at 20 ℃;

upstream raw materials:

di-tert-butyl dicarbonate

S-(2-benzyloxycarbonylamino-ethyl)-L-cysteine

Downstream raw materials:

Benzyl (R)-3-(2-benzyloxycarbonylaminoethylsulfanyl)-2-tert-butoxycarbonylaminopropionate

Benzyl (R)-2-amino-3-(2-benzyloxycarbonylaminoethylsulfanyl)propionate

Benzyl (R)-3-(2-benzyloxycarbonylaminoethylsulfanyl)-2-[3-((9S,12R)-9-isopropyl-11-oxo-2,7-dioxa-10-azabicyclo[12.2.2]octadeca-1⁽¹⁷⁾,14⁽¹⁸⁾,15-trien-12-yl)ureido]propionate

benzyl (R)-3-(2-benzyloxycarbonylaminoethanesulfonyl)-2-[3-((9S,12R)-9-isopropyl-11-oxo-2,7-dioxa-10-azabicyclo[12.2.2]octadeca-1⁽¹⁷⁾,14⁽¹⁸⁾,15-trien-12-yl)ureido]propionate

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