(Z)-5-Dicyanomethylene-3-[1-(2,5-dimethyl-3-furyl)ethylidenene]-4-bis(4-fluorophenyl)methylenetetrahydrofuran-2-one

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Chemical Name:(Z)-5-Dicyanomethylene-3-[1-(2,5-dimethyl-3-furyl)ethylidenene]-4-bis(4-fluorophenyl)methylenetetrahydrofuran-2-one
CAS No.:302798-10-3
Molecular Formula:C₂₈H₁₈F₂N₂O₃
Molecular Weight:468.459
Hs Code.:

Synonyms:(Z)-5-Dicyanomethylene-3-[1-(2,5-dimethyl-3-furyl)ethylidenene]-4-bis(4-fluorophenyl)methylenetetrahydrofuran-2-one

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Chemical Property of (Z)-5-Dicyanomethylene-3-[1-(2,5-dimethyl-3-furyl)ethylidenene]-4-bis(4-fluorophenyl)methylenetetrahydrofuran-2-one

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Technology Process of (Z)-5-Dicyanomethylene-3-[1-(2,5-dimethyl-3-furyl)ethylidenene]-4-bis(4-fluorophenyl)methylenetetrahydrofuran-2-one

There total 4 articles about (Z)-5-Dicyanomethylene-3-[1-(2,5-dimethyl-3-furyl)ethylidenene]-4-bis(4-fluorophenyl)methylenetetrahydrofuran-2-one 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: 57.0%

: 109-77-3
malononitrile

: 302798-05-6
(Z)-Bis(4-fluorophenyl)methylene[1-(2,5-dimethyl-3-furyl) ethylidene]succinic anhydride

: 302798-10-3
(Z)-5-Dicyanomethylene-3-[1-(2,5-dimethyl-3-furyl)ethylidenene]-4-bis(4-fluorophenyl)methylenetetrahydrofuran-2-one

Guidance literature:: malononitrile; (Z)-Bis(4-fluorophenyl)methylene[1-(2,5-dimethyl-3-furyl) ethylidene]succinic anhydride; With diethylamine; In tetrahydrofuran; at 20 ℃; for 12h;

With acetyl chloride; In dichloromethane; Further stages.;
DOI:10.1039/b002414g

Reference yield:

: 10599-70-9
2,5-dimethyl-3-acetylfuran

: 302798-10-3
(Z)-5-Dicyanomethylene-3-[1-(2,5-dimethyl-3-furyl)ethylidenene]-4-bis(4-fluorophenyl)methylenetetrahydrofuran-2-one

Guidance literature:: Multi-step reaction with 3 steps

1.1: t-BuOK / toluene / 12 h / 20 °C

1.2: 45 percent / AcCl / 6 h / Heating

2.1: 6.7 percent / t-BuOK / toluene / 12 h / 20 °C

3.1: diethylamine / tetrahydrofuran / 12 h / 20 °C

3.2: 57 percent / AcCl / CH₂Cl₂

With potassium tert-butylate; diethylamine; In tetrahydrofuran; toluene; 1.1: Condensation / 1.2: Esterification / 2.1: Cyclization / 3.1: Condensation / 3.2: Cyclization;
DOI:10.1039/b002414g

Reference yield:

: 345-92-6
4,4'-Difluorobenzophenone

: 302798-10-3
(Z)-5-Dicyanomethylene-3-[1-(2,5-dimethyl-3-furyl)ethylidenene]-4-bis(4-fluorophenyl)methylenetetrahydrofuran-2-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: 6.7 percent / t-BuOK / toluene / 12 h / 20 °C

2.1: diethylamine / tetrahydrofuran / 12 h / 20 °C

2.2: 57 percent / AcCl / CH₂Cl₂

With potassium tert-butylate; diethylamine; In tetrahydrofuran; toluene; 1.1: Cyclization / 2.1: Condensation / 2.2: Cyclization;
DOI:10.1039/b002414g