ethyl 6-amino-5-cyano-2-methyl-4-(3-(naphtho[2,1-b]furan-2-yl)-1-phenyl-1H-pyrazol-4-yl)-4H-pyran-3-carboxylate

Base Information

Chemical Name:ethyl 6-amino-5-cyano-2-methyl-4-(3-(naphtho[2,1-b]furan-2-yl)-1-phenyl-1H-pyrazol-4-yl)-4H-pyran-3-carboxylate
CAS No.:1269494-55-4
Molecular Formula:C₃₁H₂₄N₄O₄
Molecular Weight:516.556
Hs Code.:

Synonyms:ethyl 6-amino-5-cyano-2-methyl-4-(3-(naphtho[2,1-b]furan-2-yl)-1-phenyl-1H-pyrazol-4-yl)-4H-pyran-3-carboxylate

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Chemical Property of ethyl 6-amino-5-cyano-2-methyl-4-(3-(naphtho[2,1-b]furan-2-yl)-1-phenyl-1H-pyrazol-4-yl)-4H-pyran-3-carboxylate

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Technology Process of ethyl 6-amino-5-cyano-2-methyl-4-(3-(naphtho[2,1-b]furan-2-yl)-1-phenyl-1H-pyrazol-4-yl)-4H-pyran-3-carboxylate

There total 5 articles about ethyl 6-amino-5-cyano-2-methyl-4-(3-(naphtho[2,1-b]furan-2-yl)-1-phenyl-1H-pyrazol-4-yl)-4H-pyran-3-carboxylate 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: 70.0%

: 1269494-44-1
2-((3-(naphtho[2,1-b]furan-2-yl)-1-phenyl-1H-pyrazol-4-yl)methylene) malononitrile

: 141-97-9
ethyl acetoacetate

: 1269494-55-4
ethyl 6-amino-5-cyano-2-methyl-4-(3-(naphtho[2,1-b]furan-2-yl)-1-phenyl-1H-pyrazol-4-yl)-4H-pyran-3-carboxylate

Guidance literature:: With triethylamine; In dichloromethane; for 4h; Reflux;
DOI:10.3390/molecules16010307

Reference yield:

: 952101-49-4
2-(1-phenylhydrazonoethyl)naphtho[2,1-b]furan

: 1269494-55-4
ethyl 6-amino-5-cyano-2-methyl-4-(3-(naphtho[2,1-b]furan-2-yl)-1-phenyl-1H-pyrazol-4-yl)-4H-pyran-3-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1.1: trichlorophosphate / 1.25 h / 0 °C

1.2: 0 - 90 °C

2.1: piperidine / ethanol / 3 h / Reflux

3.1: triethylamine / dichloromethane / 4 h / Reflux

With piperidine; triethylamine; trichlorophosphate; In ethanol; dichloromethane; 1.1: Vilsmeier formylation / 1.2: Vilsmeier formylation;
DOI:10.3390/molecules16010307

Reference yield:

: 946853-80-1
3-naphtho[2,1-b]furan-2-yl-1-phenyl-1H-pyrazole-4-carbaldehyde

: 1269494-55-4
ethyl 6-amino-5-cyano-2-methyl-4-(3-(naphtho[2,1-b]furan-2-yl)-1-phenyl-1H-pyrazol-4-yl)-4H-pyran-3-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: piperidine / ethanol / 3 h / Reflux

2: triethylamine / dichloromethane / 4 h / Reflux

With piperidine; triethylamine; In ethanol; dichloromethane;
DOI:10.3390/molecules16010307