BI(3,4-DIHYDRO-2H-PYRAN-6-YL)

Base Information

• Chemical Name: BI(3,4-DIHYDRO-2H-PYRAN-6-YL)
• CAS No.: 109669-49-0
• Molecular Formula: C10H14 O2
• Molecular Weight: 166.22
• Mol file: 109669-49-0.mol

Synonyms:6,6'-Bi-2H-pyran,3,3',4,4'-tetrahydro- (9CI); 3,3',4,4'-Tetrahydro-6,6'-bi-2H-pyran

Chemical Property of BI(3,4-DIHYDRO-2H-PYRAN-6-YL)

Chemical Property:

• Melting Point: 45-49 °C(lit.)
• Flash Point: >230 °F
• PSA: 18.46000
• LogP: 2.37500

Purity/Quality:

98% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of BI(3,4-DIHYDRO-2H-PYRAN-6-YL)

There total 12 articles about BI(3,4-DIHYDRO-2H-PYRAN-6-YL) 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: 77.8%

ortho-methylphenyl iodide (615-37-2) + C15H21InO3 → 6-o-Tolyl-3,4-dihydro-2H-pyran (132093-53-9) + 2,2'-bis(5,6-dihydro-4H-pyran) (109669-49-0)

Guidance literature:

bis-triphenylphosphine-palladium(II) chloride; In tetrahydrofuran; for 2h; Heating;

DOI:10.1021/ol0345428

Reference yield: 70.0%

rac-3-acetoxycyclohexene (76644-52-5,76704-31-9,14447-34-8,62247-41-0) + C15H21InO3 → 2,2'-bis(5,6-dihydro-4H-pyran) (109669-49-0) + 2-cyclohex-2-enyl-5,6-trihydro-4H-pyran (66262-01-9)

Guidance literature:

With triphenylphosphine; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; In tetrahydrofuran; at 20 ℃; for 14h;

DOI:10.1021/jo0357162

Reference yield: 53.0%

2-nitrophenyl bromide (577-19-5) + C15H21InO3 → 2,2'-bis(5,6-dihydro-4H-pyran) (109669-49-0) + 3,4-dihydro-6-(2-nitrophenyl)-2H-pyrane (304669-39-4)

Guidance literature:

bis-triphenylphosphine-palladium(II) chloride; In tetrahydrofuran; for 2h; Heating;

DOI:10.1021/ol0345428

upstream raw materials:

4-(1,3-Diphenyl-2-propinyliden)morpholinium-trifluormethansulfonat

1-bromo-4-methoxy-benzene

ortho-methylphenyl iodide

2-bromoanisole