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Process for the preparation of 2- (4-alkyl-1-piperazinyl) -benzaldehyde and -benzylidenyl derivatives by nucleophilic substitution of 2-fluorobenzaldehyde with 4-alkyl-1-piperazines in water as solvent
Process for the preparation of 2- (4-alkyl-1-piperazinyl) -benzaldehyde and -benzylidenyl derivatives by nucleophilic substitution of 2-fluorobenzaldehyde with 4-alkyl-1-piperazines in water as solvent
A process for the preparation of a compound of formula I: CHEM wherein R1 is (C1-C6) alkyl; comprising the step of allowing a compound of formula III: CHEM to react with a compound of formula IV: CHEM in the presence of a metal carbonate, characterized by the use of water as solvent. Further, a process for the preparation of a compound of formula II: CHEM involving the above mentioned process.d
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