The rhodium-catalyzed addition of alkynes to 1,2-diketones, 1,2-ketoesters, and aldehydes provides a method for the synthesis of tertiary alkynyl alcohols under mild conditions. The reaction tolerates ...

It is found that the addition of hexamethylphosphoramide to the solution of an alkyne, Et 2 Zn, and (S)-1,1′-bi-2-naphthol in methylene chloride allows the generation of an alkynylzinc at room ...

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National 5 Homologous series Addition reactions The alkanes, alkenes and cycloalkanes are examples of homologous series. A homologous series is a group of chemicals which have similar chemical ...

Alkyne-tethered indole-3-carboxaldehydes were first transformed to the corresponding tert -butylimines at 80 °C for 2 h, followed by addition of catalyst, oxidant, and solvent for further reaction at ...