Continuous process for the alkylation of ch-acid compounds...

Details Continuous process for the alkylation of ch-acid compounds... Continuous process for the alkylation of ch-acid compounds...

C - Chemistry, Metallurgy

07

C

260/558.5, 260/4

C07C 69/38 (2006.01) B01J 31/06 (2006.01) C07B 37/04 (2006.01) C07C 67/343 (2006.01) C07C 69/34 (2006.01) C07C 69/612 (2006.01) C07C 253/00 (2006.01) C07C 253/30 (2006.01) C07C 255/02 (2006.01) C07C 255/04 (2006.01) C07C 255/33 (2006.01)

Patent

CA 1297898

- 1 - Abstract: CONTINUOS PROCESS FOR THE ALKYLATION OF CH-ACID COMPOUNDS WITH ALKYL CARBONATES IN GAS-LIQUID PHASE TRANSFER CATALYSIS CONDITIONS A continuos process for the alylation of CH-acid compounds with dialkyl carbonates in gas-liquid phase transfer catalysis conditions is described, consisting of contacting a mixture of a CH-acid compound (arylacetoni- trile or malonic diester) and of a dialkylcarbonte, op- tionally added with an inert carrier (constituted by a polar or aprotic polar liquid or by a gas), with a cataly- tic bed comprising alumina spheres carrying a base and a phase transfer catalyst.

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