Global Patent Index - EP 3898589 A2

EP 3898589 A2 20211027 - PROCESS FOR PREPARING 2-ALKOXY-4-AMINO-5-METHYL-PYRIDINES AND/OR 2-ALKOXY-4-ALKYLAMINO-5-METHYL-PYRIDINES

Title (en)

PROCESS FOR PREPARING 2-ALKOXY-4-AMINO-5-METHYL-PYRIDINES AND/OR 2-ALKOXY-4-ALKYLAMINO-5-METHYL-PYRIDINES

Title (de)

VERFAHREN ZUR HERSTELLUNG VON 2-ALKOXY-4-AMINO-5-METHYL-PYRIDINEN UND/ODER VON 2-ALKOXY-4-ALKYLAMINO-5-METHYL-PYRIDINEN

Title (fr)

PROCÉDÉ DE PRÉPARATION DE 2-ALCOXY-4-AMINO-5-MÉTHYL-PYRIDINES ET/OU DE 2-ALCOXY-4-ALKYLAMINO-5-MÉTHYL-PYRIDINES

Publication

EP 3898589 A2 20211027 (DE)

Application

EP 19835407 A 20191220

Priority

  • EP 18215577 A 20181221
  • EP 2019086760 W 20191220

Abstract (en)

[origin: WO2020128020A2] The invention relates to a process for preparing 2-alkoxy-4-amino-5-methyl-pyridines of the formula (I) and/or 2-alkoxy-4-alkylamino-5-methyl-pyridines of the formula (II) from the corresponding 2-halogen-amino-pyridines and the corresponding alcohols in the presence of a base, and to the corresponding resulting compounds.

IPC 8 full level

C07D 213/73 (2006.01); C07D 213/74 (2006.01)

CPC (source: EP US)

C07D 213/73 (2013.01 - EP US); C07D 213/74 (2013.01 - EP)

Citation (search report)

See references of WO 2020128020A2

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2020128020 A2 20200625; WO 2020128020 A3 20201001; CN 113242853 A 20210810; EP 3898589 A2 20211027; JP 2022514033 A 20220209; JP 7292394 B2 20230616; US 2022055992 A1 20220224

DOCDB simple family (application)

EP 2019086760 W 20191220; CN 201980085079 A 20191220; EP 19835407 A 20191220; JP 2021535144 A 20191220; US 201917415783 A 20191220