diethyl L-cystinate dihydrochloride

Base Information

• Chemical Name: diethyl L-cystinate dihydrochloride
• CAS No.: 22735-07-5
• Molecular Formula: C₁₀H₂₀N₂O₄S₂*2ClH
• Molecular Weight: 369.334
• Mol file: 22735-07-5.mol

Synonyms:Cystine,diethyl ester, dihydrochloride, L- (8CI); L-Cystine, diethyl ester,dihydrochloride (9CI); NSC 519836

Chemical Property of diethyl L-cystinate dihydrochloride

Chemical Property:

• Vapor Pressure: 1.16E-06mmHg at 25°C
• Boiling Point: 401.7°C at 760 mmHg
• Flash Point: 196.7°C
• PSA: 155.24000
• LogP: 2.35120
• Storage Temp.: Store at 0°C

Purity/Quality:

99%, ^*data from raw suppliers

L-Cystinebis-EthylEsterDihydrochloride ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: L-Cystine bis-Ethyl Ester Dihydrochloride

Technology Process of diethyl L-cystinate dihydrochloride

There total 10 articles about diethyl L-cystinate dihydrochloride 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: 69.0%

ethyl cysteinate hydrochloride (868-59-7,7319-36-0,75521-14-1,93964-73-9) → cystine diethyl ester; dihydrochloride (22735-07-5,74985-80-1,113184-58-0)

Guidance literature:

With Re(O)Cl₃(PPh₃)2; In dimethyl sulfoxide; at 25 ℃;

DOI:10.1021/ja972013r

Reference yield:

N,N'-bis(tert-butoxycarbonyl)-L-cystine diethyl ester → L-cystine diethyl ester dihydrochloride (22735-07-5,74985-80-1,113184-58-0)

Guidance literature:

With hydrogenchloride; In ethanol;

Reference yield:

di-t-butoxycarbonyl-L-cystine (10389-65-8) → L-cystine diethyl ester dihydrochloride (22735-07-5,74985-80-1,113184-58-0)

Guidance literature:

Multi-step reaction with 2 steps

1.1: dmap / dichloromethane / 0.17 h / 0 °C

1.2: 0 - 20 °C

2.1: hydrogenchloride; water / ethanol / 20 °C

With hydrogenchloride; dmap; water; In ethanol; dichloromethane;

upstream raw materials:

ethyl cysteinate hydrochloride

ethanol

L-cystine

L-cysteine ethyl ester hydrochloride

Downstream raw materials:

C₂₆H₃₂N₂O₉S₂

N,N'-bis(benzyloxycarbonyl)-L-cystine diethyl ester

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