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ChemicalBook CAS DataBase List 2,3,5,6-Tetrafluoro-7,7,8,8-tetracyanoquinodimethane
29261-33-4

2,3,5,6-Tetrafluoro-7,7,8,8-tetracyanoquinodimethane synthesis

7synthesis methods
-

Yield:29261-33-4 94%

Reaction Conditions:

with pyridine;titanium tetrachloride at 200;Temperature;Reagent/catalyst;

Steps:

6; S1400 The condensation step S1400 was carried out as follows:
The 1eq compound E was dissolved in toluene, was added 0.9eq of malononitrile, 1.8 eq of pyridine, 0.07 eq molecular sieve, at a reaction 150 , TLC to monitor the completion of the reaction, washed with water until neutral, concentrated to give crude product, to give a white solid was recrystallized from ethyl acetate and petroleum ether F.97% yield, 99.8% purity

References:

Beijing Sineva Co.,Ltd;Jiang, Kun;Hong, Haozhi;Li, Jiangtao;Liu, Jie CN106146346, 2016, A Location in patent:Paragraph 0088

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