3,6-Dihydro-4-methyl-2-phenyl-2H-pyran

Base Information

• Chemical Name: 3,6-Dihydro-4-methyl-2-phenyl-2H-pyran
• CAS No.: 60335-71-9
• Molecular Formula: C12H14O
• Molecular Weight: 174.243
• European Community (EC) Number: 262-187-7
• DSSTox Substance ID: DTXSID00866805
• Nikkaji Number: J298.836D
• Mol file: 60335-71-9.mol

Synonyms:60335-71-9;Rosyrane;4-methyl-2-phenyl-3,6-dihydro-2H-pyran;3,6-Dihydro-4-methyl-2-phenyl-2H-pyran;4-methyl-2-phenyl-3,6-dihydropyran;2H-Pyran, 3,6-dihydro-4-methyl-2-phenyl-;EINECS 262-187-7;Rosyrane Super;2H-Pyran,3,6-dihydro-4-methyl-2-phenyl-;SCHEMBL1471824;DTXSID00866805;4-methyl-6-phenyl-5,6-dihydropyran;AKOS006276367;2h-piran, 3,6-dihidro-4-metil-2-fenil-

Chemical Property of 3,6-Dihydro-4-methyl-2-phenyl-2H-pyran

Chemical Property:

• Appearance/Colour: Colourless pale yellow liquid
• Vapor Pressure: 0.0247mmHg at 25°C
• Refractive Index: 1.529
• Boiling Point: 256.5 °C at 760 mmHg
• Flash Point: 104.7 °C
• PSA: 9.23000
• Density: 1.007 g/cm³
• LogP: 3.09430
• XLogP3: 2.2
• 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

4-METHYL-2-PHENYL-3,6-DIHYDROPYRAN 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CCOC(C1)C2=CC=CC=C2

Technology Process of 3,6-Dihydro-4-methyl-2-phenyl-2H-pyran

There total 19 articles about 3,6-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: 94.0%

benzaldehyde (100-52-7) + isoprene (78-79-5,9003-31-0) → 4-Methyl-2-phenyl-3,6-dihydro-2H-pyran (60335-71-9)

Guidance literature:

With zirconium metal-organic framework PCN-625(Fe); In toluene; at 80 ℃; for 8h;

DOI:10.1021/jacs.1c03960

Reference yield: 85.0%

[3-methyl-1-(prop-2-enyloxy)but-3-enyl]benzene (594822-07-8) → 4-Methyl-2-phenyl-3,6-dihydro-2H-pyran (60335-71-9)

Guidance literature:

Grubbs catalyst first generation; In dichloromethane; Heating;

DOI:10.1055/s-1999-2897

Reference yield: 70.0%

5-bromo-4-chloro-4-methyl-2-phenyltetrahydropyran (101004-59-5) → 4-Methyl-2-phenyl-3,6-dihydro-2H-pyran (60335-71-9) + 4-methylene-2-phenyl tetrahydropyran (60335-74-2)

Guidance literature:

With zinc; In ethanol; at 70 - 80 ℃; Title compound not separated from byproducts; further dehalogenation agent;

DOI:10.1007/BF00515020

upstream raw materials:

4,4-dimethyl-1,3-dioxane

benzaldehyde

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

5-bromo-4-chloro-4-methyl-2-phenyltetrahydropyran

Downstream raw materials:

6-Methyl-4-phenyl-3,7-dioxa-bicyclo[4.1.0]heptane

4-methyl-6-phenyl-5,6-dihydro-2H-pyran-2-one

4-Methyl-2-phenyl-5-piperidin-1-yl-tetrahydro-pyran-4-ol

3-methyl-5-phenylpentan-1-ol