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ChemicalBook CAS DataBase List 4-BENZOYLPIPERIDINE HYDROCHLORIDE
25519-80-6

4-BENZOYLPIPERIDINE HYDROCHLORIDE synthesis

5synthesis methods
-

Yield:25519-80-6 98%

Reaction Conditions:

with hydrogenchloride in 1,4-dioxane at 18 - 25; for 0.5 h;

Steps:


To this oil was added HCl (2.59 mL, 10.4 ?αnol, 4M in dioxane) and the solution was stirred for 30 minutes at room temperature. The solvent was removed in vacuo to give phenyl (piperidin-4-yl)methanone hydrochloride (0.023 g, 98%) as a solid: 1H NMR (400 MHz, DMSO- d6) δ 1.75 (m, 2H), 1.95 (m, 2H), 3.04 (m, 2H), 3.48 (m, 2H), 3.69 (m, 2H), 3.77 (m, IH), 7.56 (m, 2H), 7.68 (m, IH), 8.00 (m, 2H) .

References:

TAKEDA PHARMACEUTICAL COMPANY LIMITED WO2008/11130, 2008, A2 Location in patent:Page/Page column 147

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