Concentrated, stable alkali alcoxide solutions

Details Concentrated, stable alkali alcoxide solutions Concentrated, stable alkali alcoxide solutions

C - Chemistry, Metallurgy

07

C

C07C 31/30 (2006.01)

Patent

CA 2392211

The invention relates to concentrated, stable alkali metal alcoxide solutions ROM, which consist of a alkali metal cation and a secondary or tertiary alcohol group, dissolved in aprotic solvents. The solutions contain at least 0.5 and not more than 15 mole percent of alkali hydroxide M'OH and not more than 1.0 mole percent of free alcohol R-OH based on the alkali alcoxide content, wherein R represents a secondary or tertiary alkyl group and M and M' independently represent Li, Na, K, Rb or Cs. The invention further relates to methods for producing the inventive solutions and to their use.

L'invention concerne des solutions stables d'alcoolates de métaux alcalins (ROM) composées d'un cation de métal alcalin et d'un reste alcoolique secondaire ou tertiaire, dissoutes dans des solvants aprotiques, ces solutions contenant de 0,5 à 15 % mol. d'hydroxyde de métal alcalin M'OH et max. 1,0 % mol. d'alcool libre R-OH par rapport à la teneur en alcool, R étant un reste alkyle secondaire ou tertiaire, et M et M' représentant indépendamment l'un de l'autre Li, Na, K, Rb, ou Cs. L'invention concerne également des procédés de fabrication de ces solutions et leur utilisation.

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