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Total synthesis of Dried Bean Beetle, Male Sex Pheromone:
Reference: Descoins, C.; Henrick, C. A.; Siddall, J. B.. Tetrahedron Lett. 1972, 3777. DOI
Keywords: O-H → O-C(O)R • Acetal → Enal • Aldehyde → CarboxAcid • Mg-Alkynyl+Aldehyde • Cu-Alkyl+Propargyl-OAc • Allene synthesis •
Reagents: Alkynyl-MgX • Acetic anhydride, Py • MnO2 • Cyanide, sodium • Alkyl-Cu •

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