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

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

7synthesis methods

Product Name:2,3,5,6-Tetrafluoro-7,7,8,8-tetracyanoquinodimethane
CAS Number:29261-33-4
Molecular formula:C12F4N4
Molecular Weight:276.15

527-21-9 Synthesis

527-21-9
95 suppliers
$19.00/250mg

109-77-3 Synthesis

109-77-3
436 suppliers
$10.00/5g

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

29261-33-4
225 suppliers
$25.00/25 mg

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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