2,2,5-trimethyl-1,3-dioxane-5-carboxylic Acid → HCID 23513806, compound

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Reaction Steps

Ethyl 4-({[4-(2-butynyloxy)phenyl]sulfonyl}methyl)-1-[(2,2,5-trimethyl-1,3-dioxan 5-yl)carbonyl]-4-piperidinecarboxylate was prepared according to the general method as outlined in Example 30 (step 8). Starting from 4-[[[4-(2-Butynyloxy)phenyl]sulfonyl]methyl]piperidinecarboxylic acid ethyl ester (0.333 g, 0.8 mmol) and 2,2,5-trimethyl-(1,3)dioxane-5-carboxylic acid (0.168 g, 0.96 mmol), 0.339 g (79%) of the desired product was isolated as a white solid. Electrospray Mass Spec: 536.1 (M+H)+.

Provenance & Evidence