4-Piperidinol, 1,2,2,6,6-pentamethyl- → HCID 20230532, compound

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Reaction Steps

38.29 g (0.07 mol) of N,N'-bis-(2-chloroacetyl)-N,N'-bis-(2,2,6,6-tetramethyl-piperidin-4-yl)-1,6-diaminohexane are dissolved in 100 ml of anhydrous xylene. The solution thus obtained is cooled to 0°-10° C.; the solution of 29.72 g (0.154 mol) of the sodium alcoholate of 1,2,2,6,6-pentamethyl-piperidin-4-ol in 120 ml of xylene (obtained beforehand by reacting 3.54 g (0.154 mol) of sodium with 26.38 g (0.154 mol) of 1,2,2,6,6-pentamethyl-piperidin-4-ol in 120 ml of anhydrous xylene) is then added slowly with continuous stirring.

Provenance & Evidence