ethyl 4-(4-chlorophenyl)-3-cyano-5-oxo-4H,5H-pyrano[3,2-c]chromen-2-yliminoformate

Base Information

Chemical Name:ethyl 4-(4-chlorophenyl)-3-cyano-5-oxo-4H,5H-pyrano[3,2-c]chromen-2-yliminoformate
CAS No.:177029-02-6
Molecular Formula:C₂₂H₁₅ClN₂O₄
Molecular Weight:406.825
Hs Code.:
Mol file:177029-02-6.mol

Synonyms:4-(p-chlorophenyl)-3-cyano-2-(ethoxymethylene-amino)-4H-pyrano<3,2-c>benzopyran-5-one

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Chemical Property of ethyl 4-(4-chlorophenyl)-3-cyano-5-oxo-4H,5H-pyrano[3,2-c]chromen-2-yliminoformate

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Technology Process of ethyl 4-(4-chlorophenyl)-3-cyano-5-oxo-4H,5H-pyrano[3,2-c]chromen-2-yliminoformate

There total 5 articles about ethyl 4-(4-chlorophenyl)-3-cyano-5-oxo-4H,5H-pyrano[3,2-c]chromen-2-yliminoformate 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: 73.0%

: 122-51-0
orthoformic acid triethyl ester

: 177028-89-6
2-amino-4-(4-chlorophenyl)-4,5-dihydro-5-oxopyrano[3,2-c]chromene-3-carbonitrile

: 177029-02-6
4-(p-chlorophenyl)-3-cyano-2-(ethoxymethylene-amino)-4H-pyrano<3,2-c>benzopyran-5-one

Guidance literature:: With acetic anhydride; for 5h; Heating;
DOI:10.3390/60600519

Reference yield:

: 1867-38-5
4-chlorobenzylidenemalonodinitrile

: 177029-02-6
4-(p-chlorophenyl)-3-cyano-2-(ethoxymethylene-amino)-4H-pyrano<3,2-c>benzopyran-5-one

Guidance literature:: Multi-step reaction with 2 steps

1: 85 percent / ethanol / 0.5 h / 32

2: 73 percent / Ac₂O / 5 h / Heating

With acetic anhydride; In ethanol;
DOI:10.3390/60600519

Reference yield:

: 1076-38-6,92395-12-5
4-hydroxy[1]benzopyran-2-one

: 177029-02-6
4-(p-chlorophenyl)-3-cyano-2-(ethoxymethylene-amino)-4H-pyrano<3,2-c>benzopyran-5-one

Guidance literature:: Multi-step reaction with 2 steps

1: 85 percent / ethanol / 0.5 h / 32

2: 73 percent / Ac₂O / 5 h / Heating

With acetic anhydride; In ethanol;
DOI:10.3390/60600519