5H-Benzo[d]naphtho[2,3-b]pyran-5-one

Base Information

• Chemical Name: 5H-Benzo[d]naphtho[2,3-b]pyran-5-one
• CAS No.: 151648-59-8
• Molecular Formula: C₁₇H₁₀O₂
• Molecular Weight: 246.265
• Mol file: 151648-59-8.mol

Synonyms:

Chemical Property of 5H-Benzo[d]naphtho[2,3-b]pyran-5-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5H-Benzo[d]naphtho[2,3-b]pyran-5-one

There total 1 articles about 5H-Benzo[d]naphtho[2,3-b]pyran-5-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:

o-cyanobromobenzene (2042-37-7) + β-naphthol (135-19-3) → benzonaphthopyran-7-one (151648-59-8) + 1-(2-cyanophenyl)-2-hydroxynaphthalene

Guidance literature:

With potassium tert-butylate; silica gel; Yield given. Multistep reaction. Yields of byproduct given; 1.) liquid NH₃, -33 deg C, 2.) CH₂Cl₂, RT;

upstream raw materials:

o-cyanobromobenzene

β-naphthol

Refernces