Category: 55490-87-4

Wang, Hua et al. published their research in Huaxue Yanjiu in 1997 | CAS: 55490-87-4

2-(Anthracen-9-ylmethylene)malononitrile (cas: 55490-87-4) belongs to nitriles. Nitrile compounds can be prepared by the incorporation of a cyanide source through C–C bond formation or by dehydration of primary carboxamides. In conventional organic reductions, nitrile is reduced by treatment with lithium aluminium hydride to the amine. Reduction to the imine followed by hydrolysis to the aldehyde takes place in the Stephen aldehyde synthesis, which uses stannous chloride in acid.Electric Literature of C18H10N2

Spectroscopic behavior of anthracene substituted by dicyanovinyl in different positions was written by Wang, Hua;Zhang, Baowen;Cao, Yi;Xu, Li. And the article was included in Huaxue Yanjiu in 1997.Electric Literature of C18H10N2 This article mentions the following:

Two conjugating electron donor-acceptor (D-A) compounds, 2-dicyanovinyl anthracene(2-DCVA) and 9-dicyanovinyl anthracene(9-DCVA), were synthesized and their spectroscopic properties in a series of solvents with different polarity and at different temperatures were studied. The results reveal that both compounds show intramol. charge transfer (ICT) state emission at different polarity of solvents and the fluorescence quantum yield (ΦF) of 2-DCVA is much higher than that of 9-DCVA, due to that the structure of 2-DCVA is more planar than 9-DCVA. The dipole moment differences between excited states and ground states of the both compounds were estimated by the formula of Bilot-Kawski. In the experiment, the researchers used many compounds, for example, 2-(Anthracen-9-ylmethylene)malononitrile (cas: 55490-87-4Electric Literature of C18H10N2).

2-(Anthracen-9-ylmethylene)malononitrile (cas: 55490-87-4) belongs to nitriles. Nitrile compounds can be prepared by the incorporation of a cyanide source through C–C bond formation or by dehydration of primary carboxamides. In conventional organic reductions, nitrile is reduced by treatment with lithium aluminium hydride to the amine. Reduction to the imine followed by hydrolysis to the aldehyde takes place in the Stephen aldehyde synthesis, which uses stannous chloride in acid.Electric Literature of C18H10N2

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Sources of common compounds: 55490-87-4

The synthetic route of 2-(Anthracen-9-ylmethylene)malononitrile has been constantly updated, and we look forward to future research findings.

Electric Literature of 55490-87-4, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 55490-87-4, name is 2-(Anthracen-9-ylmethylene)malononitrile belongs to nitriles-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

General procedure: The mixture of beta-cyanostyrenes 1 (1.0 mmol) and PIDA 2a (386 mg, 1.2 equiv) in acetonitrile and water (1:1) (5 mL) was irradiated in ultrasonic bath (Power dissipation as 50 W and frequency of 40 kHz) at room temperature for 30-60 min. The course of reaction was monitored by TLC. After completion of reaction, water (5 mL) was added to the reaction mixture and extracted with dichloromethane (3 X 5 mL). The combined organic layer was dried over anhydrous sodium sulphate and concentrated under vacuum. The crude products were purified by column chromatography on silica gel using EtOAc-hexane (1:49) and isolated products were characterized as beta-cyanoepoxides 3 by their spectroscopic analysis.

The synthetic route of 2-(Anthracen-9-ylmethylene)malononitrile has been constantly updated, and we look forward to future research findings.

Reference:
Article; Singh, Fateh V.; Mangaonkar, Saeesh R.; Kole, Priyanka B.; Synthetic Communications; vol. 48; 17; (2018); p. 2169 – 2176;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts