5,6-Dihydro-4-methyl-2-phenyl-2H-pyran

Base Information

• Chemical Name: 5,6-Dihydro-4-methyl-2-phenyl-2H-pyran
• CAS No.: 60335-70-8
• Molecular Formula: C12H14 O
• Molecular Weight: 174.243
• Hs Code.: 2932999099
• European Community (EC) Number: 262-186-1
• DSSTox Substance ID: DTXSID40866804
• Nikkaji Number: J298.835F
• Mol file: 60335-70-8.mol

Synonyms:4-methyl-6-phenyl-3,6-dihydro-2h-pyran;5,6-Dihydro-4-methyl-2-phenyl-2H-pyran;60335-70-8;EINECS 262-186-1;SCHEMBL4612040;DTXSID40866804;2H-Pyran, 5,6-dihydro-4-methyl-2-phenyl-

Chemical Property of 5,6-Dihydro-4-methyl-2-phenyl-2H-pyran

Chemical Property:

• Vapor Pressure: 0.0138mmHg at 25°C
• Boiling Point: 266.9°C at 760 mmHg
• Flash Point: 111.1°C
• PSA: 9.23000
• Density: 1.007g/cm³
• LogP: 3.09430
• XLogP3: 2.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 1
• Exact Mass: 174.104465066
• Heavy Atom Count: 13
• Complexity: 189

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC(OCC1)C2=CC=CC=C2

Technology Process of 5,6-Dihydro-4-methyl-2-phenyl-2H-pyran

There total 15 articles about 5,6-Dihydro-4-methyl-2-phenyl-2H-pyran 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: 80.0%

(2R,3R,4R)-3,4-Dichloro-4-methyl-2-phenyl-tetrahydro-pyran (103596-52-7) → 2-Phenyl-4-methyl-5,6-dihydro-2H-pyrane (60335-70-8)

Guidance literature:

With sodium; In diethyl ether; at 32 ℃; for 20h;

DOI:10.1007/BF00542774

Reference yield: 40.0%

4,4-dimethyl-1,3-dioxane (766-15-4) + benzaldehyde (100-52-7) → 4-Methyl-2-phenyl-3,6-dihydro-2H-pyran (60335-71-9) + 2-Phenyl-4-methyl-5,6-dihydro-2H-pyrane (60335-70-8)

Guidance literature:

With sulfuric acid; In toluene; at 110 ℃; for 2h;

Reference yield: 40.0%

2-phenyl-4,4-dimethyl-1,3-dioxane (58303-59-6) → 4-Methyl-2-phenyl-3,6-dihydro-2H-pyran (60335-71-9) + 2-Phenyl-4-methyl-5,6-dihydro-2H-pyrane (60335-70-8)

Guidance literature:

With sulfuric acid; at 110 ℃; for 2h;

upstream raw materials:

4,4-dimethyl-1,3-dioxane

benzaldehyde

2-phenyl-4,4-dimethyl-1,3-dioxane

2-methyl-1-buten-4-ol