1-Piperonylpiperazine → 4-Benzo[1,3]dioxol-5-ylmethyl-piperazine-1-carboxylic acid pyridin-3-ylamide

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Reaction Steps

The title compound was prepared from 1-benzo[1,3]dioxol-5-ylmethyl-piperazine and pyridin-3-yl-carbamic acid phenyl ester in analogy with Example 142. 1H NMR (400 MHz, CDCl3): 8.44-8.43 (m, 1H), 8.19-8.17 (m, 1H), 7.98-7.95 (m, 1H), 7.18-7.16 (m, 1H), 6.83-6.80 (m, 2H), 6.70 (s, 1H), 5.89 (s, 2H), 3.55-3.52 (m, 4H), 3.47 (s, 2H), 2.51-2.48 (m, 4H).

Provenance & Evidence