In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 33348-34-4 as follows. Recommanded Product: 33348-34-4
INTERMEDIATE 60 – PREPARATION of A/-(2-(5-Cyano-2-(triethylsilyl)-1 H-indol-3-yl)ethyl)-4- (3-fluorobenzyl)benzamide. 4-Amino-3-iodobenzonitrile (0.10 g; 0.41 mmol), 4-(3-fluorobenzyl)-/V-(4- (triethylsilyl)but-3-ynyl)benzamide (0.162 g; 0.41 mmol) bis(diphenylphosphino)ferrocene]palladium(ll) chloride (0.017 g; 0.020 mmol), lithium chloride (0.017 mg; 0.410 mmol) and sodium carbonate (0.087 g; 0.820 mmol) were suspended in DMF (5 ml_) and the mixture was stirred at 100C for 15 hours. The solution was concentrated under reduced pressure and diluted in ethyl acetate. The organic layer was successively washed with brine, sodium thiosulfate, dried and concentrated under reduced pressure. The crude residue was purified by flash chromatography on silica gel (eluent 2 to 60 % ethyl acetate in heptane) to afford 0.056 g (27%) of the title compound as a white solid. ESI/APCI(+): 512 (M+H), 534 (M+Na); ESI/APCI(-): 51 1 (M-H).
According to the analysis of related databases, 33348-34-4, the application of this compound in the production field has become more and more popular.
Reference:
Patent; KATHOLIEKE UNIVERSITEIT LEUVEN, K.U. LEUVEN R&D; REMYND; GRIFFIOEN, Gerard; VAN DOOREN, Tom; ROJAS DE LA PARRA, Veronica; ALLASIA, Sara; MARCHAND, Arnaud; KILONDA, Amuri; CHALTIN, Patrick; WO2012/80221; (2012); A1;,
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