Invention Publication
- Patent Title: LOW-PRESSURE HYDROFORMYLATION OF DIISOBUTENE
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Application No.: US17798607Application Date: 2021-02-01
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Publication No.: US20230192580A1Publication Date: 2023-06-22
- Inventor: Jonas SCHWABEN , Rocco PACIELLO , Rainer PAPP
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen am Rhein
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen am Rhein
- Priority: EP 156540.5 2020.02.11
- International Application: PCT/EP2021/052241 2021.02.01
- Date entered country: 2022-08-10
- Main IPC: C07C45/50
- IPC: C07C45/50
Abstract:
Low-pressure hydroformylation of diisobutene
A hydroformylation process for preparing 3,5,5-trimethylhexanal comprising reacting 2,4,4-tri-methylpent-2-ene with H2 and CO in a reaction zone in the presence of one or more free organ-ophosphite ligands of the general formula (1)
wherein
R1, R2, R3, R4 and R5 are each independently H, C1- to C9-alkyl or C1- to C9-alkoxy and R1, R2, R3, R4 and R5 are not H at the same time, and
R6, R7, R8, R9 and R10 are each independently H, C1- to C9-alkyl or C1- to C9-alkoxy and R6, R7, R8, R9 and R10 are not H at the same time, and
R11, R12, R13, R14 and R15 are each independently H, C1- to C9-alkyl or C1- to C9-alkoxy and R11, R12, R13, R14 and R15 are not H at the same time,
and a homogeneous rhodium catalyst complexed with one or more organophosphite ligands of the general formula (I) at a pressure of 1 to 100 bar abs and a temperature of from 50 to 200° C.
A hydroformylation process for preparing 3,5,5-trimethylhexanal comprising reacting 2,4,4-tri-methylpent-2-ene with H2 and CO in a reaction zone in the presence of one or more free organ-ophosphite ligands of the general formula (1)
wherein
R1, R2, R3, R4 and R5 are each independently H, C1- to C9-alkyl or C1- to C9-alkoxy and R1, R2, R3, R4 and R5 are not H at the same time, and
R6, R7, R8, R9 and R10 are each independently H, C1- to C9-alkyl or C1- to C9-alkoxy and R6, R7, R8, R9 and R10 are not H at the same time, and
R11, R12, R13, R14 and R15 are each independently H, C1- to C9-alkyl or C1- to C9-alkoxy and R11, R12, R13, R14 and R15 are not H at the same time,
and a homogeneous rhodium catalyst complexed with one or more organophosphite ligands of the general formula (I) at a pressure of 1 to 100 bar abs and a temperature of from 50 to 200° C.
Public/Granted literature
- US12281063B2 Low-pressure hydroformylation of diisobutene Public/Granted day:2025-04-22
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