Reference of 707-07-3,Some common heterocyclic compound, 707-07-3, name is (Trimethoxymethyl)benzene, molecular formula is C10H14O3, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.
General procedure: 2-Nitroaniline derivative (1 mmol) was added to a mixture of indium powder (574 mg, 5.0 mmol for 2-nitroaniline, 918 mg 8.0 mmol for 1,2-dinitroarene), and acetic acid (0.572 mL, 10 mmol) in ethyl acetate (2 mL), followed by the addition of trimethyl orthoester (2.0 mmol) in ethyl acetate (3 mL for 2-nitroaniline; 8 mL for 1,2-dinitroarene). The reaction mixture was stirred at reflux under a nitrogen atmosphere. After the reaction was completed, the reaction mixture was diluted with ethyl acetate (30 mL), filtered through Celite, poured into 10% NaHCO3 (30 mL), and then extracted with ethyl acetate (30 mL×3). The combined organic extracts were dried over MgSO4, filtered, and concentrated. The residue was eluted with ethyl acetate/hexane (v/v=10/90) for 2-phenylbenzimidazole derivatives or methanol/dichloromethane (v/v=1/99) for 2-methylbenzimidazole derivatives through a silica gel column to give the corresponding benzimidazoles. The structures of the benzimidazoles were characterized by 1H NMR, 13C NMR, FTIR, and GC-MS, and were mostly known compounds. HRMS data were reported in addition for unknown compounds.
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route (Trimethoxymethyl)benzene, its application will become more common.
Reference:
Article; Kim, Jaeho; Kim, Jihye; Lee, Hyunseung; Lee, Byung Min; Kim, Byeong Hyo; Tetrahedron; vol. 67; 41; (2011); p. 8027 – 8033;,
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