Description and references

The naturally occurring trans form or (E)-isomer is a constituent of various essential oils, see F. Sorm et al., Collect. Czech. Chem. Commun. 14, 699 (1949); 15, 626 (1951); also an alarm pheromone of several aphid species: Bowers et al., Science 177, 1121 (1972); Edwards et al., Nature 241, 126 (1973); W. S. Bowers et al., J. Insect Physiol. 23, 697 (1977). Isoln from leaves of wild potato, Solanum berthaultii Hawkes, Solanaceae: R. W. Gibson, J. A. Pickett, Nature 302, 608 (1983). Prepd by dehydration of farnesol: Bhati, Perfum. Essent. Oil Rec. 54, 376 (1963); Brieger, J. Org. Chem. 32, 3720 (1967); alternate syntheses: Tanaka et al., J. Am. Chem. Soc. 97, 3252 (1975); S. Akutagawa et al., Chem. Lett. 1976, 485; O. P. Vig et al., Indian J. Chem. Sect. B 18, 33 (1979). Synthesis of (Z)-isomer: Anet, Aust. J. Chem. 23, 2101 (1970); O. P. Vig et al., J. Indian Chem. Soc. 47, 999 (1970); eidem, Indian J. Chem. 13, 1244 (1975).

Derivative

Derivative