Beilstein J. Org. Chem.2014,10, 767–773, doi:10.3762/bjoc.10.72
turkestanica; volatile deoxypropionates; Introduction
Wasps of the genus Trichogramma (Hymenoptera: Trichogrammatidae) are egg parasitoids of insect eggs [1]. They are commercially used as biological control agents against many insect pests, worldwide [2]. The taxonomy of Trichogramma wasps is hampered by
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Graphical Abstract
Figure 1:
Published 70 eV EI mass spectra of the naturally occurring compounds A and B [12].
Beilstein J. Org. Chem.2014,10, 761–766, doi:10.3762/bjoc.10.71
of 4.4%.
Keywords: asymmetric catalysis; copper; deoxypropionates; natural products; sex pheromone; Trichogramma turkestanica; Introduction
Communication by means of pheromones is common in many animal species. For instance, many insects secrete air-borne volatiles to attract a mate for generating
strategies is available for the synthesis of deoxypropionates [7][8][9][10][11][12][13][14][15]. Our approach [16] is based on copper-catalyzed asymmetric conjugate addition of methylmagnesium bromide to α,β-unsaturated thioesters and has proven its versatility [17][18][19]. Arrays of up to eight methyl
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Graphical Abstract
Figure 1:
Originally proposed structures A and B and revised structures 1 and 2 of putative sex pheromone com...