6,7-Dihydro-2-phenylcyclopenta[b]pyran-4(5H)-one

Base Information

• Chemical Name: 6,7-Dihydro-2-phenylcyclopenta[b]pyran-4(5H)-one
• CAS No.: 70461-41-5
• Molecular Formula: C₁₄H₁₂O₂
• Molecular Weight: 212.248
• DSSTox Substance ID: DTXSID701238558

Synonyms:DTXSID701238558;70461-41-5;6,7-Dihydro-2-phenylcyclopenta[b]pyran-4(5H)-one

Chemical Property of 6,7-Dihydro-2-phenylcyclopenta[b]pyran-4(5H)-one

Chemical Property:

• XLogP3: 2.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 212.083729621
• Heavy Atom Count: 16
• Complexity: 370

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: C1CC2=C(C1)OC(=CC2=O)C3=CC=CC=C3

Technology Process of 6,7-Dihydro-2-phenylcyclopenta[b]pyran-4(5H)-one

There total 3 articles about 6,7-Dihydro-2-phenylcyclopenta[b]pyran-4(5H)-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: 20.0%

1-(trimethylsilyloxy)cyclopentene (19980-43-9) + 5-phenylfuran-2,3-dione (55991-67-8) → 2-phenyl-4,5,6,7-tetrahydrocyclopentapyran-4-one (70461-41-5) + 3-Benzoyl-2-hydroxy-6-phenyl-pyran-4-one

Guidance literature:

In toluene; at 100 ℃; for 1h;

DOI:10.1248/cpb.44.1298

Reference yield: 11.0%

5-phenylfuran-2,3-dione (55991-67-8) → 2-phenyl-4,5,6,7-tetrahydrocyclopentapyran-4-one (70461-41-5) + 3-Benzoyl-2-hydroxy-6-phenyl-pyran-4-one

Guidance literature:

With 1-(trimethylsilyloxy)cyclopentene; In toluene; at 100 ℃; for 1h;

DOI:10.1248/cpb.44.1298

Reference yield:

→ 2-phenyl-4,5,6,7-tetrahydrocyclopentapyran-4-one (70461-41-5)

Guidance literature:

Cyclopentanon, Phenylpropargylsaeureaethylester, Na-aethylat in Diaethylaether <0grad, 3 Tage>;

upstream raw materials:

1-(trimethylsilyloxy)cyclopentene

5-phenylfuran-2,3-dione

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