Patent US3070565A successfully refreshed from Google Patents.
EP0159619A2
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EP
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Process for the catalytic epoxidation of low molecular weight olefins, and catalyst for performing said process
Assignee: Mira Lanza SpA
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Filing: 1985-04-10
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Granted: —
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Expires: 2005-04-10
Abstract
Abstract Catalytic epoxidation process of low molecular weight olefins, by means of a bimetallic boron-molybdenum reaction catalyst of the kind: in which Y is a bivalent residue of an aromatic or aliphatic hydrocarbon; X is a generic ligand, and in which the oxygen bridge between B and Mo is of the chemical covalent type. Advantageously, the said catalyst may be supported on polymeric matrices, for its use in heterogeneous phase.
Inventors
- 👤 Ezio Tempesti
- 👤 Luigi Giuffrè
- 👤 Giovanni Modica
- 👤 Enzo Montoneri
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 10:13
CPC Classifications
C; C07; C07F; C07F11/00; C07F11/005; B; B01; B01J; B01J31/00; B01J31/16; B01J31/165; B01J31/1658; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/223; B01J31/2234; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/19; C07F5/00; C07F5/02; C07F5/04; B01J2231/00; B01J2231/70; B01J2231/72; B01J2531/00; B01J2531/02; B01J2531/0213; B01J2531/0216; B01J2531/60; B01J2531/62; B01J2531/64; B01J2531/66
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
81 words
Process for the catalytic epoxidation of alkenes and/or alkylated aromatic compounds, with at least one olefinic double linkage, having from 2 to 5 carbon atoms in the alkylic residue, characterized by the fact that as reaction catalyst a boron-metal bimetallic compound is used having the following general formula: in which: Y is a bivalent residue of an aromatic .hydrocarbon, or of an aliphatic hydrocarbon Me is a metal selected from the group comprising Cr, Mo, W and X is a ligand.
Claim 2
Dependent Claim
81 words
Process for the catalytic epoxidation of alkenes and/or alkylated aromatic compounds, with at least one olefinic double linkage, having from 2 to 5 carbon atoms in the alkylic residue, characterized by the fact that as reaction catalyst a boron-metal bimetallic compound is used having the following general formula: in which: Y is a bivalent residue of an aromatic .hydrocarbon, or of an aliphatic hydrocarbon Me is a metal selected from the group comprising Cr, Mo, W and X is a ligand.
Claim 3
Dependent Claim
14 words
The process according to claim 1, in which as oxidizing agents hydroperoxides are used.
Claim 4
Dependent Claim
23 words
The process according to claim 1, in which the said alkenes are olefins having from 2 to 16 carbon atoms in the molecule.
Claim 5
Dependent Claim
34 words
The process according to claim 1, in which the said alkylated aromatic compounds with at least one olefinic double linkage are alkenil-benzenic compunds having from 2 to 5 carbon atoms in the alkenilic residue.
Claim 6
Dependent Claim
14 words
The process according to claim 4, in which the said alkenil-benzenic comppun4 is vinylbenzene.
Claim 7
Dependent Claim
38 words
The process according to claim 1, characterized by the fact that the catalytic epoxidation reaction of the said alkenes and/or of the said alkylated aromatic compounds with at least one olefinic double linkage takes place in heterogeneous phase.
Claim 8
Dependent Claim
76 words
A catalyst for the actuation of the process according to claim 1, characterized by the fact that it comprises a boron-metal bimetallic compound having the following general formula: in which: Y is a bivalent residue of an aromatic hydrocarbon, or of an alyphatic hydrocarbon Me is a metal selected from the group comprising Cr, Mo, W, X is a ligand and in which the oxygen bridge between B and Me is of the chemical covalent type.
Claim 9
Dependent Claim
11 words
A catalyst according to claim 7, in which Me is molibdenum.
Claim 10
Dependent Claim
17 words
A catalyst according to claim 7, in which Y is a bivalent residue of an aromatic hydrocarbon,
Claim 11
Dependent Claim
17 words
A catalyst according to claim 7, in which Y is a bivalent residue of an aliphatic hydrocarbon.
Claim 12
Dependent Claim
19 words
A catalyst according to claim 10, in which Y is a bivalent residue of a branched and cross-linked polymer.
Claim 13
Dependent Claim
23 words
A catalyst according to claim 7, in which X is a ligand which is present in the complex of the initial starting metal.
Claim 14
Dependent Claim
54 words
A catalyst according to claim 7, characterized by the fact that it is produced starting from an acid precursor of the kind: in which Y is a bivalent residue of an aromatic hydrocarbon, or of an aliphatic hydrocarbon, forming the support which may be functionalized with boronics-B(OH) 2 or borinics groups having enough acidity.
Claim 15
Dependent Claim
52 words
A catalyst according to claim 13, in which the said acid precursor: is reacted with an organic complex of a metal (Me) selected from the group formed by Cr, Mo, W with oxidation number + 6, with formation of covalent linkages with oxygen bridges between boron and the said metal (Me) .
Claim 16
Dependent Claim
52 words
A catalyst according to claim 13, in which the said acid precursor: is reacted with an anorganic compound of a metal (Me) selected from the group of Cr, Mo, W, with oxidation number + 6, with formation of covalent linkages with oxygen bridges between boron and the said metal (Me) VI .
Claim 17
Dependent Claim
54 words
A catalyst for the epoxidation of alkenes or of alkilated aromatic compounds, according to claim 7, comprising a boron molibdenum bimetallic compound of the kind: in which Y is an aromatic or aliphatic hydrocarbon, X is a ligand, and in which the oxygen bridge between B and Mo is of the chemical covalent type.
Claim 18
Dependent Claim
16 words
A catalyst according to claim 16, in which X is an acid precursor of the kind:
Claim 19
Dependent Claim
16 words
A catalyst according to claim 16, having the following formula: obtained as described in Example 1.
Claim 20
Dependent Claim
16 words
A catalyst according to claim 16, having the following formula: obtained as described in Example 2(A).
Claim 21
Dependent Claim
17 words
A catalyst according to claim 16, having the following formula: obtained as described in Example 2 (B).
Claim 22
Dependent Claim
18 words
A catalyst according to claim 7, characterized by the fact that it is supported on a polymeric matrix.
Claim 23
Dependent Claim
17 words
A catalyst according to claim 21, characterized by the fact that as polymeric matrix polystyrene is used.
References Cited (Backward Citations)
No citation records indexed.
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