Synthesis 2006(19): 3270-3274  
DOI: 10.1055/s-2006-950212
PAPER
© Georg Thieme Verlag Stuttgart · New York

Total Synthesis of Insect Pheromones (R)-4-Dodecanolide and (S)-5-Hexadecanolide [1]

Gowravaram Sabitha*, E. Venkata Reddy, K. Yadagiri, J. S. Yadav
Organic Division I, Indian Institute of Chemical Technology, Hyderabad 500 007, India
Fax: +91(40)27160512; e-Mail: sabitha@iictnet.org;
Weitere Informationen

Publikationsverlauf

Received 21 February 2006
Publikationsdatum:
21. August 2006 (online)

Abstract

The asymmetric total synthesis of naturally occurring insect pheromones, (R)-4-dodecanolide and (S)-5-hexadecanolide has been achieved in a simple and efficient way with high yields.

1

IICT Communication No. 050818.

1

IICT Communication No. 050818.

15

(3R)-Undec-1-yn-3-ol (4): clear colorless liquid; IR (neat): 3358, 2929, 2858, 2115, 1034 cm; 1H NMR (200 MHz, CDCl3): δ = 4.32 (br s, 1 H), 2.39 (d, J = 2.2 Hz, 1 H), 1.86 (br d, J = 4.4 Hz, 1 H), 1.74-1.61 (m, 2 H), 1.49-1.27 (m, 12 H), 0.89 (t, J = 6.6 Hz, 3 H); 13C NMR (75 MHz, CDCl3): δ = 85.1, 72.7, 72.73, 62.2, 37.6, 31.8, 29.4, 29.2, 24.9, 22.6, 14.0.