3-(m-nitrobenzylidene)-4-chromanone

Base Information

• Chemical Name: 3-(m-nitrobenzylidene)-4-chromanone
• CAS No.: 159928-36-6
• Molecular Formula: C₁₆H₁₁NO₄
• Molecular Weight: 281.268
• Mol file: 159928-36-6.mol

Synonyms:

Chemical Property of 3-(m-nitrobenzylidene)-4-chromanone

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3-(m-nitrobenzylidene)-4-chromanone

There total 1 articles about 3-(m-nitrobenzylidene)-4-chromanone 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:

2,3-dihydro-4H-1-benzopyran-4-one (491-37-2) + 3-nitro-benzaldehyde (99-61-6) → 3-(m-nitrobenzylidene)-4-chromanone (107519-73-3,159928-36-6)

Guidance literature:

With potassium acetate; at 120 ℃;

DOI:10.1021/jo01090a604

Reference yield: 98.0%

3-isothiocyanato-1-methylindolin-2-one (1287715-28-9) + 3-(m-nitrobenzylidene)-4-chromanone (107519-73-3,159928-36-6) → C26H19N3O5S

Guidance literature:

With C₃₂H₄₇N₃O₂; In 1,2-dichloro-ethane; at 35 ℃; for 18h; stereoselective reaction;

DOI:10.1016/j.tet.2018.05.052

upstream raw materials:

2,3-dihydro-4H-1-benzopyran-4-one

3-nitro-benzaldehyde