Reaktion #1178427

Reaktionsgleichung

NMM

N-[4-(3,5-dimethyl-benzoyl)-piperidin-4-yl]-3-methoxy-2-methyl-benzamide

acetyl chloride

→

N-[1-acetyl-4-(3,5-dimethyl-benzoyl)-piperidin-4-yl]-3-methoxy-2-methyl-benzamide

Reaktionsbedingungen

Aufarbeitung

1. 1
   workup.ADDITIONA 25 mL vial was charged with a magnetic stir bar
2. 2
   Filtrationfiltered
3. 3
   Wascheneluting with a 0-100% ethyl acetate in hexanes gradient

Vorschrift

A 25 mL vial was charged with a magnetic stir bar and morpholinomethylpolystyrene (PS-NMM, ˜300 mg, 1.92 mmol/g, 0.6 mmol). A solution of N-[4-(3,5-dimethyl-benzoyl)-piperidin-4-yl]-3-methoxy-2-methyl-benzamide (76 mg, 0.2 mmol in 2 mL CH2Cl2) was added, followed by acetyl chloride (16 μL, 0.22 mmol). The mixture was stirred for 2 days, filtered, and fractionated on a 2 g silica gel cartridge, eluting with a 0-100% ethyl acetate in hexanes gradient to provide N-[1-acetyl-4-(3,5-dimethyl-benzoyl)-piperidin-4-yl]-3-methoxy-2-methyl-benzamide. 1H NMR (500 MHz; CDCl3) δ (ppm): 7.6 (s, 2H), 7.15 (m, 2H), 6.87 (d, 2H), 6.7 (d, 1H), 4.17 (dt, 1H), 3.8 (s, 3H), 3.78 (m, 1H), 3.45 (t, 1H), 3.25 (t, 1H), 2.5 (m, 1H), 2.35 (m, 1H), 2.32 (s, 6H), 2.2 (m, 1H), 2.17 (m, 1H), 2.05 (s, 3H), 1.92 (s, 3H).

Quelle