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. 1440519-73-2, name is 2-Chloro-6-(4-methoxybenzyl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyridin-5-one. A new synthetic method of this compound is introduced below., Recommanded Product: 1440519-73-2
General procedure: Procedure A: To a solution of 5-bromo-2-(4-methoxybenzyl)isoindolin-1-one (1, 0.5 g, 1.5 mmol) in dioxane (10 mL) was added 7H-pyrrolo[2,3-d]pyrimidine (2, 0.27 g, 2.25 mmol) and potassium tert-butoxide (0.51 g, 4.52 mmol) followed by the addition of XantPhos (0.087 g, 0.15 mmol). The reaction mixture was degassed with argon for 15 min. Tris(dibenzylideneacetone)dipalladium(0) (0.14 g, 0.15 mmol) was then added and the reaction mixture was heated at 90 C. and maintained at that temperature for 12 h. (0193) Following heating, the reaction mixture was cooled and concentrated under reduced pressure. The concentrated reaction mixture was extracted in ethyl acetate. The organic layer was separated, dried over sodium sulphate, filtered and concentrated under reduced pressure. The residue obtained was purified by silica gel (100-200 mesh) column chromatography using 5% methanol in dichloromethane as eluent so as to afford 2-(4-methoxybenzyl)-5-(7H-pyrrolo[2,3-d]pyrimidin-7-yl)isoindolin-1-one (3). Yield: 0.21 g, 38%;
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Reference:
Patent; EFFECTOR THERAPEUTICS, INC.; Sprengeler, Paul A.; Reich, Siegfried H.; Ernst, Justin T.; Webber, Stephen E.; (55 pag.)US2017/121339; (2017); A1;,
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