3,5-diphenyl-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one

Base Information

• Chemical Name: 3,5-diphenyl-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one
• CAS No.: 142465-09-6
• Molecular Formula: C18H12 N2 O S2
• Molecular Weight: 336.438
• Hs Code.: 2934999090
• DSSTox Substance ID: DTXSID10353973
• Nikkaji Number: J359.405J
• Wikidata: Q82131866
• Mol file: 142465-09-6.mol

Synonyms:142465-09-6;3,5-diphenyl-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one;2-Mercapto-3,5-diphenyl-3H-thieno[2,3-d]pyrimidin-4-one;3,5-diphenyl-2-sulfanylidene-1H-thieno[2,3-d]pyrimidin-4-one;2-mercapto-3,5-diphenylthieno[2,3-d]pyrimidin-4(3H)-one;3,5-diphenyl-2-sulfanyl-3H,4H-thieno[2,3-d]pyrimidin-4-one;3,5-diphenyl-2-sulfanylidene-1H,2H,3H,4H-thieno[2,3-d]pyrimidin-4-one;3,5-DIPHENYL-2-THIOXO-2,3-DIHYDROTHIENO(2,3-D)PYRIMIDIN-4(1H)-ONE;Oprea1_449513;SCHEMBL6034875;DTXSID10353973;STL147848;AKOS000121994;AKOS001032020;FT-0767875;EN300-02999;AH-034/08305063;SR-01000438680;SR-01000438680-1;Z55664289;F0850-0938;F9995-0145;3,5-diphenyl-2-sulfanylthieno[2,3-d]pyrimidin-4(3H)-one;3,5-Diphenyl-2-sulfanylidene-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one

Chemical Property of 3,5-diphenyl-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one

Chemical Property:

• Vapor Pressure: 1.49E-10mmHg at 25°C
• Melting Point: 275-277℃
• Boiling Point: 510.9 °C at 760 mmHg
• Flash Point: 262.8 °C
• PSA: 98.12000
• Density: 1.46 g/cm³
• LogP: 4.77680
• XLogP3: 4.4
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 2
• Exact Mass: 336.03910536
• Heavy Atom Count: 23
• Complexity: 472

Purity/Quality:

99% ^*data from raw suppliers

2-Mercapto-3,5-diphenylthieno[2,3-d]pyrimidin-4(3H)-one 95%+ ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C=C1)C2=CSC3=C2C(=O)N(C(=S)N3)C4=CC=CC=C4

Technology Process of 3,5-diphenyl-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one

There total 5 articles about 3,5-diphenyl-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one 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:

4-Phenyl-2-(3-phenyl-thioureido)-thiophene-3-carboxylic acid ethyl ester (132605-18-6) → 2-mercapto-3,5-diphenyl-3H-thieno[2,3-d]pyrimidin-4-one (142465-09-6)

Guidance literature:

With sodium methylate; In methanol; at 20 ℃;

DOI:10.1016/j.bmcl.2005.02.005

Reference yield:

ethyl 2-amino-4-phenyl-thiophene-3-carboxylate (4815-36-5) → 2-mercapto-3,5-diphenyl-3H-thieno[2,3-d]pyrimidin-4-one (142465-09-6)

Guidance literature:

Multi-step reaction with 2 steps

1: pyridine / 50 °C

2: MeONa / methanol / 20 °C

With pyridine; sodium methylate; In methanol;

DOI:10.1016/j.bmcl.2005.02.005

Reference yield:

phenyl isothiocyanate (103-72-0) → 2-mercapto-3,5-diphenyl-3H-thieno[2,3-d]pyrimidin-4-one (142465-09-6)

Guidance literature:

Multi-step reaction with 2 steps

1: pyridine / 50 °C

2: MeONa / methanol / 20 °C

With pyridine; sodium methylate; In methanol;

DOI:10.1016/j.bmcl.2005.02.005

upstream raw materials:

4-Phenyl-2-(3-phenyl-thioureido)-thiophene-3-carboxylic acid ethyl ester

ethyl 2-amino-4-phenyl-thiophene-3-carboxylate

phenyl isothiocyanate

acetophenone

Downstream raw materials:

8-Amino-3,5-diphenyl-5H-thieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-4-one

8-Methyl-3,5-diphenyl-5H-thieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-4-one

3,5-Diphenyl-5H-thieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-4-one

2-Hydrazino-3,5-diphenyl-3H-thieno[2,3-d]pyrimidin-4-one

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