Method for preparing halogenated imidazopyridine derivatives

Patent metadata

Field	Value
Publication number	US-11072609-B2
Application number	US-201816481124-A
Country	US
Kind code	B2
Filing date	Feb 5, 2018
Priority date	Feb 6, 2017
Publication date	Jul 27, 2021
Grant date	Jul 27, 2021

Abstract

The present invention relates to a method for preparing halogenated imidazopyridine derivatives of the formula (II) proceeding from compounds of the formula (I) via intermediates of the formula (IVa) or (IVb)in which the radicalsQ, Z, R1, R3, R4, Rc, A1 and A2 have the definitions stated.The invention further relates to such halogenated imidazopyridine derivatives, and also intermediates and the reaction products of compounds of the formula (II) to give compounds of the formula (III)in which the specified structural elements have the definitions stated.

First claim

The invention claimed is:

1. Method for preparing a compound of formula (II)

in which
Q and Z are each independently halogen,
A 1 is nitrogen, ═N + O − or ═C—R 5 ,
A 2 is —N—R 6 , oxygen or sulfur,
R 1 is (C 1 -C 6 )alkyl, (C 1 -C 6 )haloalkyl, (C 1 -C 6 )cyanoalkyl, (C 1 -C 6 )hydroxyalkyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkyl, (C 1 -C 6 )haloalkoxy-(C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkenyloxy-(C 1 -C 6 )alkyl, (C 2 -C 6 )haloalkenyloxy-(C 1 -C 6 )alkyl, (C 2 -C 6 )haloalkenyl, (C 2 -C 6 )cyanoalkenyl, (C 2 -C 6 )alkynyl, (C 2 -C 6 )alkynyloxy-(C 1 -C 6 )alkyl, (C 2 -C 6 )haloalkynyloxy-(C 1 -C 6 )alkyl, (C 2 -C 6 )haloalkynyl, (C 2 -C 6 )cyanoalkynyl, (C 3 -C 8 )cycloalkyl, (C 3 -C 6 )halocycloalkyl, (C 3 -C 6 )cyanocycloalkyl, (C 3 -C 8 )cycloalkyl-(C 3 -C 8 )cycloalkyl, (C 1 -C 6 )alkyl-(C 3 -C 8 )cycloalkyl, halo(C 3 -C 8 )cycloalkyl, amino, (C 1 -C 6 )alkylamino, di(C 1 -C 6 )alkylamino, (C 3 -C 8 )cycloalkylamino, (C 1 -C 6 )alkylcarbonylamino, (C 1 -C 6 )alkylthio-(C 1 -C 6 )alkyl, (C 1 -C 6 )haloalkylthio-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkylsulfinyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )haloalkylsulfinyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkylsulfonyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )haloalkylsulfonyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkylthio-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkylsulfinyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkylsulfonyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkylcarbonyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )haloalkylcarbonyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxycarbonyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )haloalkoxycarbonyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkylsulfonylamino, aminosulfonyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkylaminosulfonyl-(C 1 -C 6 )alkyl, di(C 1 -C 6 )alkylaminosulfonyl-(C 1 -C 6 )alkyl,
or is (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 8 )cycloalkyl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of aryl, hetaryl and heterocyclyl, where aryl, hetaryl or heterocyclyl may each optionally be mono- or polysubstituted by identical or different substituents from the group consisting of halogen, cyano, nitro, hydroxyl, amino, carboxy, carbamoyl, aminosulfonyl, (C 1 -C 6 )alkyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkoxy, (C 1 -C 6 )haloalkyl, (C 1 -C 6 )haloalkoxy, (C 1 -C 6 )alkylthio, (C 1 -C 6 )alkylsulfinyl, (C 1 -C 6 )alkylsulfonyl, (C 1 -C 6 )alkylsulfimino, (C 1 -C 6 )alkylsulfimino-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkylsulfimino-(C 2 -C 6 )alkylcarbonyl, (C 1 -C 6 )alkylsulfoximino, (C 1 -C 6 )alkylsulfoximino-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkylsulfoximino-(C 2 -C 6 )alkylcarbonyl, (C 1 -C 6 )alkoxycarbonyl, (C 1 -C 6 )alkylcarbonyl, (C 3 -C 6 )trialkylsilyl and benzyl

R 3 is hydrogen, cyano, halogen, nitro, acetyl, hydroxyl, amino, SCN, tri(C 1 -C 6 )alkylsiyl, (C 3 -C 8 )cycloalkyl, (C 3 -C 8 )cycloalkyl-(C 3 -C 8 )cycloalkyl, (C 1 -C 6 )alkyl-(C 3 -C 8 )cycloalkyl, halo(C 3 -C 8 )cycloalkyl, cyano(C 3 -C 8 )cycloalkyl, (C 1 -C 6 )alkyl, (C 1 -C 6 )haloalkyl, (C 1 -C 6 )cyanoalkyl, (C 1 -C 6 )hydroxyalkyl, hydroxycarbonyl-(C 1 -C 6 )-alkoxy, (C 1 -C 6 )alkoxycarbonyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )haloalkenyl, (C 2 -C 6 )cyanoalkenyl, (C 2 -C 6 )alkynyl, (C 2 -C 6 )haloalkynyl, (C 2 -C 6 )cyanoalkynyl, (C 1 -C 6 )alkoxy, (C 1 -C 6 )haloalkoxy, (C 1 -C 6 )cyanoalkoxy, (C 1 -C 6 )alkoxycarbonyl-(C 1 -C 6 )alkoxy, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkoxy, (C 1 -C 6 )alkylhydroxyimino, (C 1 -C 6 )alkoxyimino, (C 1 -C 6 )alkyl-(C 1 -C 6 )alkoxyimino, (C 1 -C 6 )haloalkyl-(C 1 -C 6 )alkoxyimino, (C 1 -C 6 )alkylthio, (C 1 -C 6 )haloalkylthio, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkylthio, (C 1 -C 6 )alkylthio-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkylsulfinyl, (C 1 -C 6 )haloalkylsulfinyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkylsulfinyl, (C 1 -C 6 )alkylsulfonyl, (C 1 -C 6 )haloalkylsulfonyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkylsulfonyl, (C 1 -C 6 )alkylsulfonyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkylsulfonyloxy, (C 1 -C 6 )alkylcarbonyl, (C 1 -C 6 )alkylthiocarbonyl, (C 1 -C 6 )haloalkylcarbonyl, (C 1 -C 6 )alkylcarbonyloxy, (C 1 -C 6 )alkoxycarbonyl, (C 1 -C 6 )haloalkoxycarbonyl, aminocarbonyl, (C 1 -C 6 )alkylaminocarbonyl, (C 1 -C 6 )alkylam inothiocarbonyl, di(C 1 -C 6 )alkylaminocarbonyl, di(C 1 -C 6 )alkylam inothiocarbonyl, (C 2 -C 6 )alkenylaminocarbonyl, di(C 2 -C 6 )alkenylam inocarbonyl, (C 3 -C 8 )cycloalkylaminocarbonyl, (C 1 -C 6 )alkylsulfonylam ino, (C 1 -C 6 )alkylam ino, di(C 1 -C 6 )alkylamino, aminosulfonyl, (C 1 -C 6 )alkylaminosulfonyl, di(C 1 -C 6 )alkylaminosulfonyl, (C 1 -C 6 )alkylsulfoximino, aminothiocarbonyl, (C 1 -C 6 )alkylaminothiocarbonyl, di(C 1 -C 6 )alkylaminothiocarbonyl, (C 3 -C 8 )cycloalkylamino, —NHCO-(C 1 -C 6 )alkyl ((C 1 -C 6 )alkylcarbonylamino), or
is aryl or hetaryl, each of which is optionally mono- or polysubstituted by identical or different substituents, where (in the case of hetaryl) at least one carbonyl group may optionally be present and where possible substituents in each case are as follows: cyano, carboxyl, halogen, nitro, acetyl, hydroxyl, amino, SCN, tri(C 1 -C 6 )alkylsilyl, (C 1 -C 6 )alkyl, (C 1 -C 6 )haloalkyl, (C 1 -C 6 )cyanoalkyl, (C 1 -C 6 )hydroxyalkyl, hydroxycarbonyl-(C 1 -C 6 )-alkoxy, (C 1 -C 6 )alkoxycarbonyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )haloalkenyl, (C 2 -C 6 )cyanoalkenyl, (C 2 -C 6 )alkynyl, (C 2 -C 6 )haloalkynyl, (C 2 -C 6 )cyanoalkynyl, (C 1 -C 6 )alkoxy, (C 1 -C 6 )haloalkoxy, (C 1 -C 6 )cyanoalkoxy, (C 1 -C 6 )alkoxycarbonyl-(C 1 -C 6 )alkoxy, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkoxy, (C 1 -C 6 )alkylhydroxyimino, (C 1 -C 6 )alkoxyimino, (C 1 -C 6 )alkyl-(C 1 -C 6 )alkoxyimino, (C 1 -C 6 )haloalkyl-(C 1 -C 6 )alkoxyimino, (C 1 -C 6 )alkylthio, (C 1 -C 6 )haloalkylthio, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkylthio, (C 1 -C 6 )alkylthio-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkylsulfinyl, (C 1 -C 6 )haloalkylsulfinyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkylsulfinyl, (C 1 -C 6 )alkylsulfinyl-(C 1 -C 6 )-alkyl, (C 1 -C 6 )alkylsulfonyl, (C 1 -C 6 )haloalkylsulfonyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkylsulfonyl, (C 1 -C 6 )alkylsulfonyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkylsulfonyloxy, (C 1 -C 6 )alkylcarbonyl, (C 1 -C 6 )haloalkylcarbonyl, (C 1 -C 6 )alkylcarbonyloxy, (C 1 -C 6 )alkoxycarbonyl, (C 1 -C 6 )haloalkoxycarbonyl, aminocarbonyl, (C 1 -C 6 )alkylaminocarbonyl, di(C 1 -C 6 )alkylaminocarbonyl, (C 2 -C 6 )alkenylaminocarbonyl, di(C 2 -C 6 )alkenylaminocarbonyl, (C 3 -C 8 )cycloalkylaminocarbonyl, (C 1 -C 6 )alkylsulfonylamino, (C 1 -C 6 )alkylamino, di(C 1 -C 6 )alkylamino, aminosulfonyl, (C 1 -C 6 )alkylaminosulfonyl, di(C 1 -C 6 )alkylaminosulfonyl, (C 1 -C 6 )alkylsulfoximino, aminothiocarbonyl, (C 1 -C 6 )alkylaminothiocarbonyl, di(C 1 -C 6 )alkylaminothiocarbonyl or (C 3 -C 8 )cycloalkylamino,

R 4 is hydrogen, cyano, halogen, nitro, acetyl, hydroxyl, amino, SCN, tri(C 1 -C 6 )alkylsilyl, (C 3 -C 8 )cycloalkyl, (C 3 -C 8 )cycloalkyl-(C 3 -C 8 )cycloalkyl, (C 1 -C 6 )alkyl-(C 3 -C 8 )cycloalkyl, halo(C 3 -C 8 )cycloalkyl, cyano(C 3 -C 8 )cycloalkyl, (C 1 -C 6 )alkyl, (C 1 -C 6 )haloalkyl, (C 1 -C 6 )cyanoalkyl, (C 1 -C 6 )hydroxyalkyl, hydroxycarbonyl-(C 1 -C 6 )-alkoxy, (C 1 -C 6 )alkoxycarbonyl-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )haloalkenyl, (C 2 -C 6 )cyanoalkenyl, (C 2 -C 6 )alkynyl, (C 2 -C 6 )haloalkynyl, (C 2 -C 6 )cyanoalkynyl, (C 1 -C 6 )alkoxy, (C 1 -C 6 )haloalkoxy, (C 1 -C 6 )cyanoalkoxy, (C 1 -C 6 )alkoxycarbonyl-(C 1 -C 6 )alkoxy, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkoxy, (C 1 -C 6 )alkylhydroxyimino, (C 1 -C 6 )alkoxyimino, (C 1 -C 6 )alkyl-(C 1 -C 6 )alkoxyimino, (C 1 -C 6 )haloalkyl-(C 1 -C 6 )alkoxyimino, (C 1 -C 6

Assignees

• Bayer Ag
• Bayer Cropscience Ag

Inventors

• Mosrin Marc
• Fischer Ruediger
• Hager Dominik
• Hoffmeister Laura
• Kausch-Busies Nina
• Wilcke David
• Willot Matthieu
• Ilg Kerstin

Classifications

• A01N43/90

  having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system · CPC title

• C07D471/04 Primary

  Ortho-condensed systems · CPC title