Chemistry of natural compounds and bioorganic chemistry a convergent synthesis of octadeca-2E,13Z-dienyl acetate, a pheromone component of Synanthedon tipuliformis C
A convergent synthesis of octadeca-2E,13Z-dienyl acetate, a pheromone component of Synanthedon tipuliformis C., has been developed. The synthesis is based on cross-coupling of 8-iodooct-2E-en-1-ol THP ether with dec-57-enyl bromide catalyzed by CuBr.
A Tandem Synthesis of (+/-)-Euphococcinine and (+/-)-Adaline
Intramolecular hydroxylamine-alkyne cyclisation of the hydroxylamines 8 and 9 afforded six-membered cyclic nitrones which without isolation underwent a tandem intramolecular dipolar cycloaddition to produce the tricyclic isoxazolidines 6 and 7 respectively.These were converted in two steps into the ladybird defence alkaloids (+/-)-euphococcinine 4 and (+/-)-adaline 5.
Davison, Edwin C.,Holmes, Andrew B.,Forbes, Ian T.
p. 9047 - 9050
(2007/10/02)
SYNTHESIS OF HIGHER ACETYLENIC ALCOHOLS
The alkylation of 1-alkynes in various solvents was investigated, and the optimum conditions for the production of acetylenic alcohols were obtained.
Kovalev, B. G.,Matveeva, E. D.,Stan, V. V.,Vovk, G. A.,Yudin, L. G.,Kost, A. N.
p. 1728 - 1733
(2007/10/02)
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