Nitriles are found in many useful compounds. Nitrile rubber is also widely used as automotive and other seals since it is resistant to fuels and oils. Organic compounds containing multiple nitrile groups are known as cyanocarbons. 3032-92-6, formula is C9H5N, Name is 4-Ethynylbenzonitrile. Nitriles are found in many useful compounds. One of the most common occurrences of nitriles is in Nitrile rubber. Formula: C9H5N.
Ruengsangtongkul, Sureeporn;Kuribara, Takahito;Chaisan, Nattawadee;Tummatorn, Jumreang;Thongsornkleeb, Charnsak;Ruchirawat, Somsak research published 《 Ceric Ammonium Nitrate Promoted Oxidative Coupling of Terminal Alkynes and 1,3-Keto Esters: A Synthesis of Unsymmetrical 1,1,2-Triacylalkenes》, the research content is summarized as follows. Unsym. 1,1,2-triacylalkenes were conveniently prepared by the oxidative coupling of 1,3-keto esters with terminal alkynes by employing 4.0 equiv of inexpensive ceric ammonium nitrate (CAN) as the oxidant in acetonitrile as the solvent at 0 °C. The method is milder than previously reported methods and can be conducted under air, thereby demonstrating its practicality and versatility for preparing these useful building blocks. The reaction was believed to occur by a single-electron-transfer process of the 1,3-keto ester substrate initiated by CAN to generate an α-radical species that quickly added to the terminal alkyne partner in the reaction. Subsequent oxidation of the resulting vinyl radical by air and CAN then lead to the formation of the triacylalkene product as a mixture of E- and Z-isomers. The reaction was shown to be general, with 27 illustrative examples of the formation of the desired products in up to quant. yield and with moderate to excellent alkene geometrical selectivities.
Formula: C9H5N, 4-Ethynylbenzonitrile is a simple benzyl alkyne compound potentially useful as a synthetic fragment and as a test compound for cross-coupling protocols. 4-Ethynylbenzonitrile has been described as a model compound for studying hydrogen bond formation in multifunctional molecules, as it contains four hydrogen bonding sites of which three are π-acceptors.
4-Ethynylbenzonitrile is a useful research compound. Its molecular formula is C9H5N and its molecular weight is 127.14 g/mol. The purity is usually 95%., 3032-92-6.
Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts