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1. WO2022006255 - PRODUCTION OF NITROGEN-CONTAINING CHELATORS

Publication Number WO/2022/006255
Publication Date 06.01.2022
International Application No. PCT/US2021/039864
International Filing Date 30.06.2021
IPC
C07C 253/08 2006.1
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
253Preparation of carboxylic acid nitriles
08by addition of hydrogen cyanide or salts thereof to unsaturated compounds
C07C 255/25 2006.1
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
255Carboxylic acid nitriles
01having cyano groups bound to acyclic carbon atoms
24containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the same saturated acyclic carbon skeleton
25Aminoacetonitriles
Applicants
  • ASCEND PERFORMANCE MATERIALS OPERATIONS LLC [US]/[US]
Inventors
  • YU, Huayun
  • DING, Zhensheng
  • SPARKMAN, Nick
  • PEAVY, Thomas
  • BEZEMER, Ernst
  • KISSELL, Kyle
Agents
  • FREDLAKE, Keith D.
  • GENDZWILL, Jeffrey T.
Priority Data
63/046,21330.06.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) PRODUCTION OF NITROGEN-CONTAINING CHELATORS
(FR) PRODUCTION DE CHÉLATEURS CONTENANT DE L'AZOTE
Abstract
(EN) Reaction pathways and conditions for the production of nitrogen-containing chelators, such as a glycine derivative, are described herein. In particular, the present disclosure describes a process for the production of a nitrile intermediate by reacting a tetra-amino compound with an aldehyde and a hydrogen cyanide to form the nitrile intermediate. The nitrile intermediate may then be further processed to produce the chelators at a high yield and/or a high purity.
(FR) La présente description concerne des voies de réaction et des conditions pour la production de chélateurs contenant de l'azote, tels qu'un dérivé de glycine. En particulier, la présente divulgation décrit un procédé de production d'un intermédiaire nitrile en faisant réagir un composé tétra-amino avec un aldéhyde et un cyanure d'hydrogène pour former l'intermédiaire nitrile. L'intermédiaire nitrile peut ensuite être traité ultérieurement pour produire les chélateurs à un rendement élevé et/ou à une pureté élevée.
Latest bibliographic data on file with the International Bureau