Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1980-11-26
1982-05-04
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568489, 568902, C07C 4549, C07C 2722
Patent
active
043283756
ABSTRACT:
Ethanol and/or acetaldehyde are produced by reacting at elevated temperature and pressure methanol with synthesis gas in the presence of a catalyst comprising a metal complex in which the metal is a metal of Group VIII of the Periodic Table other than iron, palladium and platinum and the ligand is derived from cyclopentadiene or a substituted cyclopentadiene and a promoter which is an iodide or a bromide. Optionally there is also added as a co-promoter a compound of formula X(A) (B) (C) wherein X is nitrogen, phosphorus, arsenic, antimony or bismuth and A, B and C are individually C.sub.1 to C.sub.20 monovalent hydrocarbyl groups which are free from aliphatic carbon-carbon unsaturation and are bound to the X atom by a carbon/X bond, or X is phosphorus, arsenic, antimony or bismuth and any two of A, B and C together form an organic divalent cyclic ring system bonded to the X atom, or X is nitrogen and all of A, B and C together form an organic trivalent cyclic ring system bonded to the X atom, e.g. triphenylphosphine.
REFERENCES:
patent: 4151208 (1979-04-01), Pretzer et al.
patent: 4262154 (1981-04-01), Gane et al.
Lone Werren B.
The British Petroleum Company Limited
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