C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 67/00 (2006.01) C07C 17/26 (2006.01) C07C 29/09 (2006.01) C07C 29/124 (2006.01) C07C 33/02 (2006.01) C07C 69/145 (2006.01)
Patent
CA 2542857
A process for preparing functional group-containing olefinic compounds comprises the steps of (a) reacting at least one alkylidene phosphorane with at least one carbonyl-containing compound that comprises at least one group that is a leaving group, or that is capable of subsequent conversion to a leaving group, to form an olefinic compound that comprises at least one leaving group, the carbonyl-containing compound being selected from the group consisting of ketones and aldehydes; and (b) reacting the olefinic compound with at least one functional group-containing nucleophile to form a functional group-containing olefinic compound.
La présente invention concerne un procédé de préparation de composés oléfiniques contenant un groupe fonctionnel, selon lequel (a) on fait réagir au moins un alkylidène phosphorane avec au moins un composé contenant un carbonyle comprenant au moins un groupe qui est un groupe labile ou qui est capable de se transformer ultérieurement en groupe labile, pour former un composé oléfinique comprenant au moins un groupe labile, le composé contenant un carbonyle étant choisi dans le groupe composé des cétones et des aldéhydes ; et (b) on fait réagir le composé oléfinique avec au moins un nucléophile contenant un groupe fonctionnel afin de former un composé oléfinique contenant un groupe fonctionnel.
Nielsen Kent E.
Wicki Markus A.
3m Innovative Properties Company
Smart & Biggar
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