Magar, Rupali L.; Thorat, Prashant B.; Waware, Jagdish L.; More, Rameshwar R.; Solanke, Usha A.; Patil, Bhagwan R.; Pawar, Rajendra P. published an article in 2015, the title of the article was Synthesis of Some Novel 3-Substituted Indole Derivatives Using Polyamine Functionalized Heterogeneous Catalyst.Recommanded Product: 2-((1H-Indol-3-yl)methylene)malononitrile And the article contains the following content:
In present work, we have described the use of polyamine solid supported GN3 as catalyst in organic transformations using 1H-indole-3-carbaldehyde. To the best of our knowledge, reports for the synthesis of chromene substituted at 3C position of indole are extremely rare in the literature. The polyamine functionalized immobilized silica (GN3) was found to be an excellent catalyst for synthesis of novel 2-amino-4-(1H-indol-3-yl)-5-oxo-4,5-dihydropyrano[3,2-c]chromene-3-carbonitrile derivatives and Knoevenagel condensation. Catalyst GN3 was able to furnish excellent yield for a wide range of products. Moreover, the catalyst was reusable and reused for several times without loss of its catalytic activity. The experimental process involved the reaction of 2-((1H-Indol-3-yl)methylene)malononitrile(cas: 75629-62-8).Recommanded Product: 2-((1H-Indol-3-yl)methylene)malononitrile
The Article related to indole preparation gn3 reusability catalyst mechanism nucleophile condensation reaction, Heterocyclic Compounds (One Hetero Atom): Benzopyrans (Including Coumarins, Isocoumarins, Chromones, Benzopyrones, Dibenzopyrans, and Other Arenopyrans) and other aspects.Recommanded Product: 2-((1H-Indol-3-yl)methylene)malononitrile
Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts