3,3-Dimethyl-2,6-diphenyl-2,4-dihydropyran

Base Information

• Chemical Name: 3,3-Dimethyl-2,6-diphenyl-2,4-dihydropyran
• CAS No.: 26372-49-6
• Molecular Formula: C₁₉H₂₀O
• Molecular Weight: 264.367
• NSC Number: 171685
• DSSTox Substance ID: DTXSID70305796

Synonyms:26372-49-6;3,3-dimethyl-2,6-diphenyl-2,4-dihydropyran;NSC171685;DTXSID70305796;NSC-171685

Chemical Property of 3,3-Dimethyl-2,6-diphenyl-2,4-dihydropyran

Chemical Property:

• Vapor Pressure: 3.97E-06mmHg at 25°C
• Boiling Point: 396.2°Cat760mmHg
• Flash Point: 191.8°C
• Density: 1.034g/cm³
• XLogP3: 5.2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 2
• Exact Mass: 264.151415257
• Heavy Atom Count: 20
• Complexity: 343

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1(CC=C(OC1C2=CC=CC=C2)C3=CC=CC=C3)C

Technology Process of 3,3-Dimethyl-2,6-diphenyl-2,4-dihydropyran

There total 1 articles about 3,3-Dimethyl-2,6-diphenyl-2,4-dihydropyran 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:

4,4-dimethyl-5-oxopentanenitrile (6140-61-0) → 5,5-dimethyl-6-phenyloxan-2-one (20215-66-1) + 3,3-Dimethyl-2,6-diphenyl-3,4-dihydro-2H-pyran (26372-49-6)

Guidance literature:

With diethyl ether; anschliessend hydrolysieren;

Reference yield:

3,3-Dimethyl-2,6-diphenyl-3,4-dihydro-2H-pyran (26372-49-6) + (2,4-dinitro-phenyl)-hydrazine (119-26-6) → 5-hydroxy-4,4-dimethyl-1,5-diphenyl-pentan-1-one-(2,4-dinitro-phenylhydrazone) (102952-23-8)

Guidance literature:

With hydrogenchloride;

Reference yield:

hydrogenchloride (7647-01-0,15364-23-5) + methanol (67-56-1) + 3,3-Dimethyl-2,6-diphenyl-3,4-dihydro-2H-pyran (26372-49-6) + (2,4-dinitro-phenyl)-hydrazine (119-26-6) → 5-hydroxy-4,4-dimethyl-1,5-diphenyl-pentan-1-one-(2,4-dinitro-phenylhydrazone) (102952-23-8)

Guidance literature:

upstream raw materials:

4,4-dimethyl-5-oxopentanenitrile

Downstream raw materials:

5-hydroxy-4,4-dimethyl-1,5-diphenyl-pentan-1-one-(2,4-dinitro-phenylhydrazone)

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