C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 67/343 (2006.01) C07C 51/09 (2006.01) C07C 51/347 (2006.01) C07C 69/612 (2006.01) C07C 69/614 (2006.01) C07C 69/616 (2006.01) C07C 69/65 (2006.01) C07C 69/738 (2006.01) C07C 231/12 (2006.01) C07C 233/54 (2006.01) C07D 295/185 (2006.01) C07D 333/24 (2006.01)
Patent
CA 2440295
The invention relates to a method for producing vinyl, aryl and heteroaryl acetic acids and derivatives thereof by reacting vinyl, aryl or heteroaryl boron acids and the derivatives thereof with .alpha.-halo- or .alpha.- pseudohalo acetic acids and derivatives thereof, which include a substituent from the group of hydrogen, alkyl or vinyl, aryl and heteroaryl in the 2nd position, in the presence of a palladium catalyst, a base and water. Said method enables the preparation of a plurality of functionalised vinyl, aryl and heteroaryl acetic acids and the derivatives thereof.
L'invention concerne un procédé de production d'acides vinyl-, aryl- et hétéroarylacétiques et de leurs dérivés, consistant à faire réagir des acides vinyl-, aryl- et hétéroarylboroniques et leurs dérivés avec des acides .alpha.-halo- ou .alpha.-pseudohaloacétiques et leurs dérivés, qui comportent au niveau de la position 2 un substituant de la série hydrogène, alkyle ou vinyl-, aryl- et hétéroaryle, en présence d'un catalyseur de palladium, d'une base et d'eau. Ce procédé permet de préparer plusieurs acides vinyl-, aryl- et hétéroarylacétiques ainsi que leurs dérivés.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Studiengesellschaft Kohle Mbh
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