C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 67/347 (2006.01) C07C 51/353 (2006.01) C07C 57/10 (2006.01) C07C 69/587 (2006.01)
Patent
CA 2339736
The invention relates to a method for producing compounds of formula (I) in which R1 = H, C1-C6 alkyl, C1-C6 alkenyl, C3-C6 cycloalkyl or phenyl and R2 = H or C1-C3 alkyl, whereby propyne is reacted with a compound of formula (II), in which R1 and R2 have the above-mentioned meanings, in the presence of a transition metal catalyst system.
L'invention concerne un procédé pour la préparation de composés de la formule (I) dans laquelle R?1¿ = H, alkyle C¿1?-C¿6?, alcényle C¿1?-C¿6?, cycloalkyle C¿3?-C¿6? ou bien phényle, et R?2¿ = H ou alkyle alkyle C¿1?-C¿3?. Dans ce procédé, on fait réagir du propyne avec un composé de la formule (II), dans laquelle R?1¿ et R?2¿ ont les significations précitées, en présence d'un système catalyseur à métal de transition.
Barth Thomas
Breuer Klaus
Rieber Norbert
Schafer Martin
Werner Helmut
Basf Aktiengesellschaft
Robic
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