Toluene → Diethenyl benzene-1,4-dicarboxylate

HRID 1667543Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1667543
[C:1]([OH:12])(=[O:11])[C:2]1[CH:10]=[CH:9][C:5]([C:6]([OH:8])=[O:7])=[CH:4][CH:3]=1.[CH:13]#[CH:14].[C:15]1(C)C=CC=C[CH:16]=1>[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[Re].[Re]>[C:1]([O:12][CH:13]=[CH2:14])(=[O:11])[C:2]1[CH:10]=[CH:9][C:5]([C:6]([O:8][CH:15]=[CH2:16])=[O:7])=[CH:4][CH:3]=1

Komponenten

5

Edukt 3

HCID 1140TolueneHCID 6326AcetyleneHCID 7489Terephthalic Acid

Produkt 1

HCID 15374889Diethenyl benzene-1,4-dicarboxylate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 498777Rhenium carbonylKatalysator

Versuchsvorschrift

A mixture of 8.0 g of terephthalic acid (48 mmol), 0.10 g of Re2(CO)10 (0.15 mmol) and 17.3 g of toluene was subjected to vinylation at 140° C., a nitrogen pressure of 2 bar and an acetylene pressure of 18 bar for 6 h. Divinyl terephthalate was obtained, which was detectable by means of GC-MS analysis.

Aufarbeitung

  1. customwas subjected to vinylation at 140° C.

Quellen und Nachweise

ORD-Eintrag
ord-cdb6101b28e64e3fb355e06235d710be
Quelldatensatz
uspto-grants-2011_10
Patentnummer
US08044233B2

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