4-[2-(1-methyl-1,2-dihydroquinolin-2-ylidene)-ethylidene]-2,5-cyclohexadienone

Base Information

• Chemical Name: 4-[2-(1-methyl-1,2-dihydroquinolin-2-ylidene)-ethylidene]-2,5-cyclohexadienone
• CAS No.: 36585-35-0
• Molecular Formula: C₁₈H₁₅NO
• Molecular Weight: 261.323
• Mol file: 36585-35-0.mol

Synonyms:4-[2-(1-methyl-1,2-dihydroquinolin-2-ylidene)-ethylidene]-2,5-cyclohexadienone

Chemical Property of 4-[2-(1-methyl-1,2-dihydroquinolin-2-ylidene)-ethylidene]-2,5-cyclohexadienone

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-[2-(1-methyl-1,2-dihydroquinolin-2-ylidene)-ethylidene]-2,5-cyclohexadienone

There total 3 articles about 4-[2-(1-methyl-1,2-dihydroquinolin-2-ylidene)-ethylidene]-2,5-cyclohexadienone 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: 85.0%

1,2-dimethylquinolin-1-ium 4-methylbenzenesulfonate (42952-26-1) + 4-hydroxy-benzaldehyde (123-08-0,65581-83-1) → 4-[2-(1-methyl-1,2-dihydroquinolin-2-ylidene)-ethylidene]-2,5-cyclohexadienone (36585-35-0)

Guidance literature:

1,2-dimethylquinolinium 4-methyl-1-benzenesulfonate; 4-hydroxy-benzaldehyde; With piperidine; In ethanol; for 2.5h; Heating;

With potassium hydroxide; at 70 - 72 ℃;

DOI:10.1023/B:RUGC.0000025515.86256.8e

Reference yield:

→ 2-(4-hydroxy-trans-styryl)-1-methyl-quinolinium betaine (36585-35-0)

Guidance literature:

With sodium hydroxide; acetic acid;

Reference yield:

→ 2-(4-hydroxy-trans-styryl)-1-methyl-quinolinium betaine (36585-35-0)

Guidance literature:

With ammonium hydroxide;

upstream raw materials:

1,2-dimethylquinolin-1-ium 4-methylbenzenesulfonate

4-hydroxy-benzaldehyde