Adding a certain compound to certain chemical reactions, such as: 89459-38-1, name is 2-Iodo-4-nitrobenzoic acid, 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 89459-38-1, Application In Synthesis of 2-Iodo-4-nitrobenzoic acid
Step 4: A’-{3-(2-{IM]u0r0met oxy)phenyl)-4,4-d^ A flask was charged with 2-iodo-4-mtrobenzoic acid (i .0 g, 3.41 mmol) in DCM (25 ml,), oxalyl chloride (0.597 mL, 6.83 mmol) and a drop of DMF. After about 20 min the mixture was concentrated under reduced pressure, dissolved in DCM (25 mL) then added to the crude 3-(2-(difluoromethoxy)phenyl)-4,4- dimethoxybutan-1 -amine (3.15 g from step 3, assumed 3.41 mmol) in DCM (25 mL) with TEA (5 mL, 35.9 mmol). The mixture was stirred for about 15 min at rt then water (50 ml.) was added and stirring continued for about 5 min. The solvent layers were separated then the aqueous layer was extracted with DCM (20 mL). The combined organics were washed with saturated sodium bicarbonate (2 x 20 mL) then dried over MgS04, filtered and concentrated under reduced pressure. The material was purified via flash chromatography on silica gel (0-25% EtOAc/DCM). The appropriate fractions were collected and concentrated under reduced pressure to give the title compound (1.23 g, 66%); LC/MS (Table A, Method b) R, – 2.37 min; MS m/z 549 (M-H)”
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Reference:
Patent; ABBVIE INC.; BREINLINGER, Eric; BURCHAT, Andrew; DIETRICH, Justin; FRIEDMAN, Michael; IHLE, David; KINSMAN, David; MULLEN, Kelly; OSUMA, Augustine; VASUDEVAN, Anil; WILSON, Noel, S.; (101 pag.)WO2016/168638; (2016); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com