Citiolone

Base Information

• Chemical Name: Citiolone
• CAS No.: 17896-21-8
• Molecular Formula: C6H9NO2S
• Molecular Weight: 159.20600
• Hs Code.: 29349990
• Mol file: 17896-21-8.mol

Synonyms:Acetyl-DL-homocysteine thiolactone;DL-N-ACETYLHOMOCYSTEINETHIOLACTINE;citicoline diphosphate choline;N-(2-Oxotetrahydrothiophen-3-yl)acetamide;N-ACETYL-DL-HOMOCYSTEINE THIOLACTONE;cdpc;DL-N-Acetylhomocysteine thiolactone;DL-3-ACETAMIDOTETRAHYDROTHIOPH-2-ONE;

Chemical Property of Citiolone

Chemical Property:

• Appearance/Colour: White to off-white crystalline powder
• Vapor Pressure: 1.66E-07mmHg at 25°C
• Melting Point: 109-111oC
• Refractive Index: 1.5500 (estimate)
• Boiling Point: 427.3oC at 760 mmHg
• Flash Point: 212.2oC
• PSA: 71.47000
• Density: 1.26g/cm3
• LogP: 0.54550
• Storage Temp.: -20°C

Purity/Quality:

99% ^*data from raw suppliers

DL-N-Acetylhomocysteine thiolactone ^*data from reagent suppliers

Safty Information:

• Pictogram(s): T,Xi
• Hazard Codes: T
• Statements: 25
• Safety Statements: 22-24/25-45

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Citiolone

There total 9 articles about Citiolone 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: 97.1%

3-aminodihydrothiophen-2(3H)-one hydrochloride (6038-19-3) + acetic anhydride (108-24-7) → N-acetyl-DL-homocysteinethiolactone (1195-16-0,768351-04-8,17896-21-8)

Guidance literature:

With sodium hydrogencarbonate; In acetone; at 57 ℃; for 3h; under 760.051 Torr; Reagent/catalyst; Solvent;

Reference yield: 86.0%

O-acetyl-L-homoserine (7540-67-2) + potassium thioacetate (10387-40-3) → N-acetyl-DL-homocysteinethiolactone (1195-16-0,768351-04-8,17896-21-8)

Guidance literature:

With acetic anhydride; at 150 ℃; for 4h;

Reference yield: 79.0%

2,2-dichloro-N-[(3S)-tetrahydro-2-oxo-3-furanyl]-acetamide (51524-71-1) → N-acetyl-DL-homocysteinethiolactone (1195-16-0,768351-04-8,17896-21-8)

Guidance literature:

With acetic anhydride; potassium thioacetate; at 120 ℃; for 16h;

upstream raw materials:

silver(I) acetate

3-aminodihydrothiophen-2(3H)-one hydrochloride

acetyl chloride

acetic anhydride

Downstream raw materials:

5-Chloro-3-formyl-thieno<2,3-b>pyridine

3-aminodihydrothiophen-2(3H)-one hydrochloride

N-acetyl-rac-ethionine

Refernces

• 1、 Zhang, Ze,You, Ye-Zi,Wu, De-Cheng,Hong, Chun-Yan. "Syntheses of Sequence-Controlled Polymers via Consecutive Multicomponent Reactions". . p. 3414 - 3421. Retrieved 2015/06/22.
• 2、 -. "MANUFACTURING METHOD OF N-ACYL-α-AMINOLACTONE COMPOUND". Paragraph 0037; 0038. . Retrieved 2016/11/09.