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EP0121777A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Process for preparing heptakis-(2,6-di-O-methyl)-beta cyclodextrin

Assignee: Consortium fuer Elektrochemische Industrie GmbH
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Filing: 1984-03-08
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Granted: —
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Expires: 2004-03-08
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Abstract

Abstract Translated from German Die Erfindung betrifft ein Verfahren zur Herstellung von Heptakis-[2.6.-di-O-methyl]-β-cyclodextrin durch Methylieren von β-Cyclodextrin in organischer Phase, wobei β-Cyclodextrin in Gegenwart von Alkalihydroxid mit Dimethylsulfat bei Temperaturen von - 10 bis 0°C methyliert wird. The invention relates to a process for the preparation of heptakis [2.6.-di-O-methyl] -β-cyclodextrin by methylating β-cyclodextrin in the organic phase, β-cyclodextrin in the presence of alkali metal hydroxide with dimethyl sulfate at temperatures from - 10 to 0 ° C is methylated.

Inventors

  • 👤 József Dr. Szejtli
  • 👤 András Dr. Lipták
  • 👤 Pál Dr. Nánási
  • 👤 Péter Dr. Fügedi
  • 👤 Ildikó Dr. Jodál
  • 👤 Lili Dr. Kandra
  • 👤 Lóránt Jánossy

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-04 22:21
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/0006; C08B37/0009; C08B37/0012

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