Adding a certain compound to certain chemical reactions, such as: 773855-64-4, name is 1-Fluoro-4-iodo-2-methoxybenzene, belongs to iodides-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 773855-64-4, name: 1-Fluoro-4-iodo-2-methoxybenzene
Dissolve 1-fluoro-4-iodo-2-methoxybenzene, (prepared as described in PREPARATION 47), (480 mg, 1. 9 mmol) in triethylamine (7 mL, 53 mmol) and add 3- chloro-5-ethynylpyridine, (prepared as described in PREPARATION 27), (250 mg, 1. 8 mmol) followed by bis (triphenylphosphine) palladium (II) dichloride (51 mg, 0. 07 mmol) and copper (I) iodide (28 mg, 0. 15 mmol). Stir for 18 h at room temperature, concentrate, and purify by silica gel chromatography, eluting with 3 : 1 hexanes : ethyl acetate. Further purify on silica gel, eluting with 100% dichloromethane, to give the title compound as a white solid (450 mg, 94%). 1H NMR (300 MHz, CDC13) 6 3. 93 (s, 3H), 7. 04-7. 14 (m, 3H), 7. 79-7. 81 (m, 1H), 8. 51 (d, J = 2. 3 Hz, 1H), 8. 62 (d, J = 1. 7 Hz, 1H) ; MS (APCI) : m/z = 262 [M+H] +.
At the same time, in my other blogs, there are other synthetic methods of this type of compound, 1-Fluoro-4-iodo-2-methoxybenzene, and friends who are interested can also refer to it.
Reference:
Patent; ELI LILLY AND COMPANY; WO2005/94822; (2005); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com