PRODUCTION OF AQUEOUS SOLUTIONS OF MIXTURES OF FORMYLTETRAHYDROFURAN AND HYDRATES THEREOF
申请人:EASTMAN CHEMICAL COMPANY
公开号:EP1144400A1
公开(公告)日:2001-10-17
US5221774A
申请人:——
公开号:US5221774A
公开(公告)日:1993-06-22
US5945549A
申请人:——
公开号:US5945549A
公开(公告)日:1999-08-31
[EN] PRODUCTION OF AQUEOUS SOLUTIONS OF MIXTURES OF FORMYLTETRAHYDROFURAN AND HYDRATES THEREOF<br/>[FR] PRODUCTION DE SOLUTIONS AQUEUSES DE MELANGES DE FORMYLTETRAHYDROFURANNE ET D'HYDRATES DE CELUI-CI
申请人:EASTMAN CHEM CO
公开号:WO2000043379A1
公开(公告)日:2000-07-27
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.