Malononitrile → Propanedinitrile, 2,2'-(1,4-cyclohexanediylidene)bis-

HRID 622615

Reaktionsgleichung

[CH:1]1[C:11](=[C:12]([C:15]#[N:16])[C:13]#[N:14])[CH:10]=[CH:9][C:3](=[C:4]([C:7]#[N:8])[C:5]#[N:6])[CH:2]=1.C(#N)CC#N.C1(=O)CCC(=O)CC1>>[C:7]([C:4]([C:5]#[N:6])=[C:3]1[CH2:2][CH2:1][C:11](=[C:12]([C:15]#[N:16])[C:13]#[N:14])[CH2:10][CH2:9]1)#[N:8]

Komponenten

Edukt 3

HCID 8010Malononitrile

HCID 125111,4-Cyclohexanedione

HCID 73697Tetracyanoquinodimethane

Produkt 1

HCID 73696Propanedinitrile, 2,2'-(1,4-cyclohexanediylidene)bis-

Versuchsvorschrift

It is known to prepare 7,7,8,8-tetracyanoquinodimethane, for example, by subjecting malononitrile and 1,4-cyclohexane-dione to a condensation reaction to obtain 1,4-bis(dicyanomethylene)cyclohexane, and oxidizing the cyclohexane in pyridine with N-bromosuccinimide or bromine.

Aufarbeitung

customto a condensation reaction

Quellen und Nachweise

ORD-Eintrag: ord-47ea25aaaf3448939ea83af508c90cd4
Quelldatensatz: uspto-grants-1988_09
DOI: 10.6084/m9.figshare.5104873.v1
Patentnummer: US04772432

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