1-Phenyl-1H-2-benzothiopyran-3,4-dicarbonsaeure-dimethylester

Base Information

• Chemical Name: 1-Phenyl-1H-2-benzothiopyran-3,4-dicarbonsaeure-dimethylester
• CAS No.: 75784-96-2
• Molecular Formula: C₁₉H₁₆O₄S
• Molecular Weight: 340.4
• Mol file: 75784-96-2.mol

Synonyms:1-Phenyl-1H-2-benzothiopyran-3,4-dicarbonsaeure-dimethylester

Chemical Property of 1-Phenyl-1H-2-benzothiopyran-3,4-dicarbonsaeure-dimethylester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-Phenyl-1H-2-benzothiopyran-3,4-dicarbonsaeure-dimethylester

There total 12 articles about 1-Phenyl-1H-2-benzothiopyran-3,4-dicarbonsaeure-dimethylester 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: 92.0%

Thiobenzophenon (1450-31-3) + dimethyl acetylenedicarboxylate (762-42-5) → 1-Phenyl-1H-2-benzothiopyran-3,4-dicarbonsaeure-dimethylester (75784-96-2)

Guidance literature:

In benzene; for 336h; Ambient temperature; in the dark;

Reference yield: 83.0%

3,3,5,5-tetraphenyl-1,2,4-trithiolane (4198-12-3) + dimethyl acetylenedicarboxylate (762-42-5) → 1-Phenyl-1H-2-benzothiopyran-3,4-dicarbonsaeure-dimethylester (75784-96-2) + dimethyl 3,3-diphenyl-3H-1,2-dithiole-4,5-dicarboxylate (106162-67-8)

Guidance literature:

at 60 ℃; for 4h;

DOI:10.1021/ja00237a047

Reference yield: 68.0%

2-methyl-1,1-diphenylthiirane (88793-72-0) + Thiobenzophenon (1450-31-3) → 1-Phenyl-1H-2-benzothiopyran-3,4-dicarbonsaeure-dimethylester (75784-96-2) + dimethyl 3,3-diphenyl-3H-1,2-dithiole-4,5-dicarboxylate (106162-67-8)

Guidance literature:

at 25 ℃; for 576h;

DOI:10.1021/ja00237a047

upstream raw materials:

3,3,5,5-tetraphenyl-1,2,4-trithiolane

dimethyl acetylenedicarboxylate

2-methyl-1,1-diphenylthiirane

Thiobenzophenon

Downstream raw materials:

1-hydroxy-1-phenyl-1H-isothiochromene-3,4-dicarboxylic acid dimethyl ester