Triethylamine → 6-[2-Methoxy-4-(thiophen-2-ylcarbonyloxy)phenyl]-5-(4-methylbenzoyloxymethyl)-2,2,4-trimethyl-1,2-dihydroquinoline

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Reaction Steps

6-(4-Hydroxy-2-methoxyphenyl)-5-(4-methylbenzoyloxymethyl)-2,2,4-trimethyl-1,2-dihydroquinoline (Reference Compound No. 3-1, 25.6 mg, 0.0577 mmol) was dissolved in anhydrous methylene dichloride (1 mL), and then triethylamine (19 μL, 0.14 mmol) and 2-thenoyl chloride (11.2 mg, 0.0764 mmol) were added thereto. The reaction mixture was stirred at room temperature for 1 hour. The reaction mixture was purified by silica gel column chromatography (hexane-ethyl acetate) to give the titled compound (28.8 mg) as a pale yellow amorphous product. (Yield 93%)

Provenance & Evidence