Methylparaben → Methyl 4-(undec-10-enyloxy)benzoate

Beteiligte Stoffe

Reaktionsschritte

Synthesized as described above for compound 1. Quantities: K2CO3 (9.08 g, 66 mmol), methyl-4-hydroxy-benzoate (5.00 g, 33 mmol), 11-bromo-1-undecene (7.6 mL, 34 mmol). Yield 10.1 g (quant). 1NMR: δH (CDCl3; 300 MHz): 1.24-1.52 (12 H, m, CH2), 1.80 (2 H, m, O—CH2—CH2), 2.04 (2 H, m, CH2═CH—CH2), 3.87 (3 H, s, OCH3), 4.00 (2 H, t, 3J=6.5 Hz, O—CH2), 4.95 (2 H, m, CH2═CH), 5.82 (1 H, m, CH2═CH), 6.90 (2 H, d, 3J=9.0 Hz, Ar—H), 7.97 (2 H, d, 3J=9.0 Hz, Ar—H). 13C NMR: δC (CDCl3; 75 MHz): 26.4, 29.3, 29.5, 29.7, 29.8, 29.9, 34.2, 52.2, 68.6, 114.45, 114.5, 122.7, 131.9, 139.6, 163.4, 167.3.

Herkunft & Nachweise