Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 935-02-4, name is 3-Phenylpropiolonitrile, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 935-02-4
4.4.1 (Z+E)-3-(3-Methyl-2-selenoxo-2,3-dihydro-1H-imidazol-1-yl)-3-phenyl-2-propenenitrile (4a) To a mixture of acetylene 2 (64.0 mg, 0.5 mmol) and Se (40.0 mg, 0.5 mmol) in MeCN (1 mL) was added 1-methylimidazole (1a; 41.0 mg, 0.5 mmol) in MeCN (1 mL). The mixture was stirred at 82 C for 5 h. After cooling to 20-25 C, the solvent was removed and column chromatography afforded selone (Z)-4a (46 mg, 39%) as a yellow microcrystalline powder, mp 208-209 C (ethanol). Initial imidazole 1a was recovered (7 mg, conversion was 83%). Initial Se was recovered (20 mg, conversion was 50%). Z:E-isomers ratio was 5:1 [(E)-isomer, 5%, data 1H NMR]. (Z)-Isomer: 1H NMR (400.13 MHz, CDCl3): delta=7.50-7.27 [m, 5H, Ho,m,p from C(6)-Ph], 7.07 (s, 1H, 4-H), 6.98 (s, 1H, 5-H), 6.12 (s, 1H, 7-H), 3.76 (s, 3H, N-CH3) ppm. 13C NMR (100.62 MHz, CDCl3): delta=159.2 (C-2), 154.9 (C-6), 132.4 [Ci from C(6)-Ph], 132.0 [Cp from C(6)-Ph], 129.3 [Cm from C(6)-Ph], 127.0 [Co from C(6)-Ph], 121.7 (C-4), 119.3 (C-5), 114.5 (CN), 97.7 (C-7), 37.5 (N-CH3) ppm. (E)-Isomer: 1H NMR (400.13 MHz, CDCl3): delta=7.50-7.45 [m, 5H, Ho,m,p from C(6)-Ph], 6.94 (s, 1H, 7-H), 6.90 (s, 1H, 4-H), 6.65 (s, 1H, 5-H), 3.73 (s, 3H, N-CH3) ppm. IR (KBr): 2222 (CN), 1622 (C=C), 1368 (C=Se) cm-1. Anal. Calcd for C13H11N3Se (288.21): C, 54.18; H, 3.85; N, 14.58; Se, 27.40. Found: C, 54.50; H, 3.99; N, 14.52; Se, 27.07.
According to the analysis of related databases, 935-02-4, the application of this compound in the production field has become more and more popular.
Reference:
Article; Belyaeva, Kseniya V.; Andriyankova, Ludmila V.; Nikitina, Lina P.; Mal’Kina, Anastasiya G.; Afonin, Andrei V.; Ushakov, Igor A.; Bagryanskaya, Irina Yu.; Trofimov, Boris A.; Tetrahedron; vol. 70; 5; (2014); p. 1091 – 1098;,
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