Ynamides

Despite huge potential, the inaccessibility and instability of highly reactive nitrogen-substituted alkynes such as ynamines impedes numerous synthetic routes. In collaboration with Professor Gwilherm Evano, Aldrich now offers a selection of ynamides, strikingly reactive yet stable building blocks ideal for myriad chemo-, regio-, and stereoselective transformations. Furnished with an electron-withdrawing group for versatile chelation, the ynamides are stable surrogates for ynamines and precursors of highly reactive keteniminium ions, carbenoids, and numerous other intermediates.

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805572 4-methyl-N-(2-phenylethynyl)-N-(phenylmethyl)-benzenesulfonamide C22H19NO2S
805602 3-(1-octyn-1-yl)-2-oxazolidinone C11H17NO2
805580 3-(2-phenylethynyl)-2-oxazolidinone C11H9NO2
805599 1-(2-phenylethynyl)-2-pyrrolidinone C12H11NO
805564 (R)-4-Phenyl-3-(2-phenylethynyl)oxazolidin-2-one C17H13NO2