7,7-dimethyl-2,4-diphenyl-4,6,7,8-tetrahydro-5H-thiochromen-5-one

Base Information

• Chemical Name: 7,7-dimethyl-2,4-diphenyl-4,6,7,8-tetrahydro-5H-thiochromen-5-one
• CAS No.: 53852-98-5
• Molecular Formula: C₂₃H₂₂OS
• Molecular Weight: 346.493
• Mol file: 53852-98-5.mol

Synonyms:7,7-dimethyl-2,4-diphenyl-5-oxo-5,6,7,8-tetrahydro-4H-thiochromene

Chemical Property of 7,7-dimethyl-2,4-diphenyl-4,6,7,8-tetrahydro-5H-thiochromen-5-one

Chemical Property:

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Technology Process of 7,7-dimethyl-2,4-diphenyl-4,6,7,8-tetrahydro-5H-thiochromen-5-one

There total 2 articles about 7,7-dimethyl-2,4-diphenyl-4,6,7,8-tetrahydro-5H-thiochromen-5-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: 55.0%

2-(2'-benzoyl-1'-phenylethyl)-5,5-dimethyl-1,3-cyclohexanedione (53852-97-4) → 7,7-dimethyl-2,4-diphenyl-5-oxo-5,6,7,8-tetrahydro-4H-thiochromene (53852-98-5)

Guidance literature:

With hydrogenchloride; zinc sulfide; In diethyl ether;

DOI:10.1023/A:1002725730088

Reference yield:

→ 7,7-dimethyl-2,4-diphenyl-5-oxo-5,6,7,8-tetrahydro-4H-thiochromene (53852-98-5)

Guidance literature:

Triketon II, H2S;

Reference yield: 76.0%

7,7-dimethyl-2,4-diphenyl-5-oxo-5,6,7,8-tetrahydro-4H-thiochromene (53852-98-5) → 2,3-dichloro-7,7-dimethyl-5-oxo-2,4-diphenyl-3,4,5,6,7,8-hexahydro-2H-thiochromene

Guidance literature:

With phosphorus pentachloride; In chloroform; at 20 ℃; for 10h;

DOI:10.1007/BF02251637

upstream raw materials:

2-(2'-benzoyl-1'-phenylethyl)-5,5-dimethyl-1,3-cyclohexanedione

Downstream raw materials:

5-benzylidene-7,7-dimethyl-2,4-diphenyl-5,6,7,8-tetrahydro-4H-thiochromene

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