Piperidine → 1-[3-(4-Methylcyclohex-3-en-1-yl)butyl]piperidine

Participants

Reaction Steps

The procedure of Example 1 was followed using 50g (0.3 mole) of 3-(4-methyl-3-cyclohexenyl)butyraldehyde and 28g (0.33 mole) of piperdine. Obtained following distillation was 31g of a mixture of N-[3 . . . butyl] piperdine and N-[3-(4-methylcyclohexyl)butyl]piperdine; bp 89- 91° (0.1mm); ir (τ max. film) 3.5 (s), 3.7 (s), 6.9 (s), 7.3 (s), 8.7 (s), 9.0 (s), 9.7 (s), 11.6 (m), 12.6 (w) microns; nmr (δ, CDCl3) 5.37 (m, 1H), 2.95 to 2.55 (m, 6H), 2.0 to 0.8 (m, 22H) ppm; ms (molecular ion) 236 and 238. ##STR2##

Provenance & Evidence