4,6-bis(4-methylphenylimino)-4H,6H-pyrano[3,2-g]chromene-3,7-dicarbaldehyde

Base Information

Chemical Name:4,6-bis(4-methylphenylimino)-4H,6H-pyrano[3,2-g]chromene-3,7-dicarbaldehyde
CAS No.:1456688-85-9
Molecular Formula:C₂₈H₂₀N₂O₄
Molecular Weight:448.478
Hs Code.:

Synonyms:4,6-bis(4-methylphenylimino)-4H,6H-pyrano[3,2-g]chromene-3,7-dicarbaldehyde

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Chemical Property of 4,6-bis(4-methylphenylimino)-4H,6H-pyrano[3,2-g]chromene-3,7-dicarbaldehyde

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Technology Process of 4,6-bis(4-methylphenylimino)-4H,6H-pyrano[3,2-g]chromene-3,7-dicarbaldehyde

There total 3 articles about 4,6-bis(4-methylphenylimino)-4H,6H-pyrano[3,2-g]chromene-3,7-dicarbaldehyde 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: 83.0%

: 1224432-67-0
4,6-bis[1-(4-methylphenylimino)-ethyl]resorcinol

: 68-12-2,33513-42-7
N,N-dimethyl-formamide

: 1456688-85-9
4,6-bis(4-methylphenylimino)-4H,6H-pyrano[3,2-g]chromene-3,7-dicarbaldehyde

Guidance literature:: N,N-dimethyl-formamide; With trichlorophosphate; at 0 ℃; for 6h;

4,6-bis[1-(4-methylphenylimino)-ethyl]resorcinol; at 60 ℃; for 6h;

With water; sodium acetate;
DOI:10.1080/00397911.2013.783074

Reference yield:

: 2161-85-5
1-(5-acetyl-2,4-dihydroxyphenyl)-1-ethanone

: 1456688-85-9
4,6-bis(4-methylphenylimino)-4H,6H-pyrano[3,2-g]chromene-3,7-dicarbaldehyde

Guidance literature:: Multi-step reaction with 2 steps

1.1: ethanol

2.1: trichlorophosphate / 6 h / 0 °C

2.2: 6 h / 60 °C

With trichlorophosphate; In ethanol; 2.1: |Vilsmeier-Haack Formylation;
DOI:10.1080/00397911.2013.783074

Reference yield:

: 108-46-3
recorcinol

: 1456688-85-9
4,6-bis(4-methylphenylimino)-4H,6H-pyrano[3,2-g]chromene-3,7-dicarbaldehyde

Guidance literature:: Multi-step reaction with 3 steps

1.1: zinc(II) chloride

2.1: ethanol

3.1: trichlorophosphate / 6 h / 0 °C

3.2: 6 h / 60 °C

With zinc(II) chloride; trichlorophosphate; In ethanol; 3.1: |Vilsmeier-Haack Formylation;
DOI:10.1080/00397911.2013.783074