The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 03, 2001
Filed:
Jun. 01, 1998
Henry Szczepanski, Wallbach, CH;
Thomas Göbel, Lörrach, DE;
Ottmar Franz Hüter, Lörrach, DE;
Anthony Cornelius O'Sullivan, Basel, CH;
Marcel Senn, Blonay, CH;
Thomas Rapold, Wallbach, CH;
Peter Maienfisch, Rodersdorf, CH;
Thomas Pitterna, Basel, CH;
Novartis Crop Protection, Inc., Greensboro, NC (US);
Abstract
The invention relates to a process for preparing a compound of formula (I), in which X is CH or N, Y is NO,or CN, Z is CHR,, O, NR,or S, R,and R,are either each, independently of the other, hydrogen or unsubstituted or R,-substituted alkyl or together a two- or three-membered alkylene bridge or a two- or three-membered alkylene bridge in which one member is replaced by a hetero member selected from the group, consisting of NR,, O and S, R,is H or unsubstituted or R,-substituted alkyl, R,is an unsubstituted or substituted aryl or heteroaryl group, and R,is H or alkyl, which comprises a) reacting a compound of formula (II) with a chlorinating agent or b1) initially reacting a compound of formula (IV) with a compound of formula (V) and b2) further reacting the compound of formula (II) obtainable thereby, with or without intermediate isolation, with a chlorinating agent, to intermediates used in this process, to the use of these intermediates and to a process for the preparation of these intermediates.