Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 4857-06-1, name is 2-Chloro-1H-benzo[d]imidazole, A new synthetic method of this compound is introduced below., Safety of 2-Chloro-1H-benzo[d]imidazole
[1372] mel (6.1 ml, 98.3 mmol) was added to a mixture of 2-chloro-1H-benzo[d]imidazole (5.0 g, 32.8 mmol) and K2CO3 (13.6 g, 98.3 mmol) in DMF(20 ml). The mixture was stirred at 25 C for lh. The insoluble substance was removed by filtration and the filtrate was treated with ea (50 ml), H2O (50 ml). The organic layer was separated and the aqueous layer was extracted with ea (35 ml x 3). The combined organic layer was washed with H2O (35 ml x 2), brine (35 ml x 2), dried over mgs04, filtered and concentrated. The residue was triturated with tbme/pe (v/v = 1/1, -20 ml) to afford compound 294a (3.3 g, yield 60.38%) as pale yellow solid. 1H NMR (DMSO-d6, 400 mhz) delta .60 – 7.56 (m, 2h), 7.31 – 7.24 (m, 2h), 3.80 (s, 3h). MS (ESI) m/z (M+H)+ 167.0.
The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.