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Details for Patent: 6,864,385

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Details for Patent: 6,864,385

Title: Process for the preparation of 4-haloalkylnicotinonitriles
Abstract:4-Haloalkylnicotinonitriles having the formula (I) ##STR1## which are suitable as intermediates in the preparation of pesticides, are obtained by: (a) reacting a 3-amino-1-haloalkyl-2-propen-1-one in a condensation reaction with a compound of the formula (III) to (VII), to give a compound of the formula (VIII), (IX) and/or (X), wherein R.sup.F is (C.sub.1 -C.sub.4)-haloalkyl, R.sup.1 is alkyl, Hal is Cl or Br and each Z, independently, is O, S, NR.sup.1 or OCO; and (b) subjecting the reaction product to a ring closure reaction.
Inventor(s): Pazenok; Sergiy (Kelkheim, DE), Bastiaans; Henricus Maria Martinus (Usingen, DE)
Assignee: Aventis CropScience GmbH (Frankfurt, DE)
Filing Date:Dec 30, 2002
Application Number:10/330,166
Claims:1. A compound having the formula (VIII), (IX) or (X):

wherein: R.sup.F is (C.sub.1 -C.sub.4)-haloalkyl; R.sup.1 is an alkyl group; Z is O, S or OCO and Hal is Cl or Br.

2. A compound as claimed in claim 1, wherein R.sup.F is CH.sub.2 F, CFCl.sub.2, CF.sub.2 Cl, CF.sub.3 or C.sub.2 F.sub.5.

3. A compound as claimed in claim 2, wherein R.sup.F is CF.sub.3.

4. A compound as claimed in claim 1, wherein Z is O or OCO.

5. A compound as claimed in claim 4, wherein R.sup.1 is (C.sub.1 -C.sub.4)-alkyl.

6. A compound as claimed in claim 5, wherein R.sup.1 is methyl or ethyl.
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