Global Patent Index - EP 3820835 A1

EP 3820835 A1 20210519 - STABLE ALKALI AMIDE SOLUTIONS AND PROCESSES FOR PREPARING SAME

Title (en)

STABLE ALKALI AMIDE SOLUTIONS AND PROCESSES FOR PREPARING SAME

Title (de)

STABILE ALKALIAMIDLÖSUNGEN UND VERFAHREN ZUR IHRER HERSTELLUNG

Title (fr)

SOLUTIONS STABLES D'AMIDES ALCALINS ET LEUR PROCÉDÉ DE PRÉPARATION

Publication

EP 3820835 A1 20210519 (DE)

Application

EP 19736638 A 20190628

Priority

  • DE 102018211495 A 20180711
  • EP 2019067477 W 20190628

Abstract (en)

[origin: WO2020011567A1] The invention relates to solutions of alkali metal amides MNR1R2, wherein M is an alkali metal, selected from Li, Na, K, Rb, Cs; and R1 and R2 represent, independently of one another, linear, branched or cyclic alkyl groups having 1 to 8 C atoms or together form a cycloalkyl group, the alkali metal amides being present in methyltetrahydropyrane or in a methyltetrahydropyrane-containing solvent mixture, and to processes for preparing same.

IPC 8 full level

C07C 209/90 (2006.01); C07C 211/07 (2006.01)

CPC (source: EP US)

C07C 209/90 (2013.01 - EP); C07C 211/07 (2013.01 - EP); C07F 1/02 (2013.01 - US)

C-Set (source: EP)

C07C 209/90 + C07C 211/07

Citation (search report)

See references of WO 2020011567A1

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 2020011567 A1 20200116; CN 112654598 A 20210413; EP 3820835 A1 20210519; JP 2021530490 A 20211111; JP 7423593 B2 20240129; US 2021371435 A1 20211202

DOCDB simple family (application)

EP 2019067477 W 20190628; CN 201980046100 A 20190628; EP 19736638 A 20190628; JP 2021500709 A 20190628; US 201917258842 A 20190628