波普医药正在热销：
别名：5-甲烷酰-2-甲基-苯甲腈
英文名称：benzonitrile, 5-formyl-2-methyl- (9ci)
分子式：c9h7no
cas no.：27613-36-1
分子量：145.16
结构式：
规格：97%
用途：基础原料、有机中间体、医药中间体
合成路线：
manganese(iv) dioxide; chloroform;
reactants can be synthesized in 1 step.
abbott laboratories, us6593335, b1, (2003) example 154c 3-cyano-4-methylbenzaldehyde example 154b (1.4 g, 10 mmol) in chloroform (30 ml) was treated with manganese dioxide (3.3 g, 40 mmol). the reaction mixture was stirred at room temperature for 12 hours, filtered, the solvent evaporated and the crude residue purified by flash chromatography over silica gel eluding with ethyl acetate:hexane (5:95) to provide 0.9 g of the title compound. 1 h nmr (cdci3) 6 2.67 (s, 3h), 7.48 (dd, 1h), 8.0 (dd, 1h), 10.0 (s, 1h).