Extracurricular laboratory: Synthetic route of 42861-71-2

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Adding a certain compound to certain chemical reactions, such as: 42861-71-2, name is 3-Iodophenyl acetate, 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 42861-71-2, Computed Properties of C8H7IO2

Example 85; 3 -(2- {6-[4-(2-Fluorophenoxy)piperidin- 1 -yl]pyridazin-3 -yl} ethynyl])phenyl acetate; Prepared by Sonogashira coupling reaction of Intermediate 24 with 3-iodophenyl acetate in a mixture of triethylamine and DMSO to give the product as an off-white solid IR (KBr) 2953, 2401, 1772, 1588, 1257, 1010, 743 cm”1; 1H NMR (300 MHz, CDCl3) delta 1.84-2.16 (m, 4H), 2.30 (s, 3H), 3.70 (br s, 2H), 4.01 (br s, 2H), 4.57 (tar s, IH), 6.80-6.96 (m, 2H), 7.00-7.18 (m, 4H), 7.20-7.40 (m, 3H), 7.42 (d, J= 7.8 Hz, IH); ESI-MS (m/z) 432.43 (M+H)+.

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Reference:
Patent; GLENMARK PHARMACEUTICALS S.A.; WO2008/62276; (2008); A2;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com