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1. WO2000043379 - PRODUCTION OF AQUEOUS SOLUTIONS OF MIXTURES OF FORMYLTETRAHYDROFURAN AND HYDRATES THEREOF

Publication Number WO/2000/043379
Publication Date 27.07.2000
International Application No. PCT/US2000/001361
International Filing Date 20.01.2000
Chapter 2 Demand Filed 27.07.2000
IPC
C07D 307/12 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
307Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
02not condensed with other rings
04having no double bonds between ring members or between ring members and non-ring members
10with substituted hydrocarbon radicals attached to ring carbon atoms
12Radicals substituted by oxygen atoms
CPC
C07D 307/12
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
307Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
02not condensed with other rings
04having no double bonds between ring members or between ring members and non-ring members
10with substituted hydrocarbon radicals attached to ring carbon atoms
12Radicals substituted by oxygen atoms
Applicants
  • EASTMAN CHEMICAL COMPANY [US/US]; 100 North Eastman Road Kingsport, TN 37660, US
Inventors
  • BEAVERS, William, Anthony; US
Agents
  • KATZ, Mitchell, A.; Needle & Rosenberg, P.C. Suite 1200, The Candler Building 127 Peachtree Street, N.E. Atlanta, GA 30303-1811, US
Priority Data
09/235,44822.01.1999US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PRODUCTION OF AQUEOUS SOLUTIONS OF MIXTURES OF FORMYLTETRAHYDROFURAN AND HYDRATES THEREOF
(FR) PRODUCTION DE SOLUTIONS AQUEUSES DE MELANGES DE FORMYLTETRAHYDROFURANNE ET D'HYDRATES DE CELUI-CI
Abstract
(EN)
Disclosed is a process for the recovery of formyltetrahydrofurans (FTHF's) produced by the rhodium-catalyzed hydroformylation of 2,5-dihydrofuran (2-5-DHF) wherein the FTHFs are recovered as an equilibrium mixture of 2 - and 3-FTHF and their hydrates, 2- and 3-[di(hydroxy)methyl]tetrahydrofuran from a hydroformylation product solution comprising a rhodium catalyst, 2- and 3-FTHF and an organic hydroformylation solvent obtained as a liquid product take-off from a hydroformylation process wherein 3-FTHF is produced by the hydroformylation of 2,5-DHF. 3-FTHF is a valuable organic intermediate useful, for example, in the preparation of 3-methyltetrahydrofuran and 3-amino-methyltetrahydrofuran.
(FR)
L'invention concerne un procédé de récupération de formyltétrahydrofurannes (FTHF) produits par l'hydroformylation catalysée par rhodium de 2,5-dihydrofuranne (2,5-DHF), les FTHF étant récupérés en tant que mélange d'équilibre des 2- et 3- FTHF et des hydrates de ceux-ci, 2- et 3-[di-hydroxy)méthyltétrahydrofurannes, à partir d'une solution de produits d'hydroformylation qui comprend un catalyseur à base de rhodium, 2- et 3-FTHF ainsi qu'un solvant d'hydroformylation obtenu en tant que produit liquide d'enlèvement, à partir d'un procédé d'hydroformylation dans lequel 3-FTHF est produit par l'hydroformylation de 2,5-DHF. 3-FTHF constitue un intermédiaire organique de valeur, utile, par exemple, dans la préparation de 3-méthyltétrahydrofuranne et de 3-amino-méthyltétrahydrofuranne.
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