Process for the preparation of carboxylic acids and/or...

Details Process for the preparation of carboxylic acids and/or... Process for the preparation of carboxylic acids and/or...

2007-03-27

2011-11-08

Zucker, Paul A (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C562S517000, C502S074000

Reexamination Certificate

active

08053600

ABSTRACT:
Process for preparing an aliphatic carboxylic acid having (n+1) carbon atoms, where n is an integer up to 6, and/or an ester or anhydride thereof by contacting an aliphatic alcohol having n carbon atoms and/or a reactive derivative thereof with carbon monoxide under hydrous conditions in the presence of a ferrierite catalyst.

REFERENCES:
patent: 4612387 (1986-09-01), Feitler
patent: 5420345 (1995-05-01), Smith
Drozdova et al, Journal of Physical Chemistry , Bonding of Co Ions in ZSM-5, Ferrierite, and Mordenite: An X-ray Absorption , UV-Vis and IR Study, 2002, 106 pp. 2240-2248.
Urata et al, Tetrahedron Letters, Transition Metal Complex Catalyzed Carbonylation of Organic Halides in the Presence of Molecular Sieves Instead of Base, 1991, 32(36), pp. 4733-4736.
International Search Report for PCT/GB2007/001095, mailed Jun. 25, 2007.
Written Opinion of the International Searching Authority for PCT/GB2007/001095, mailed Jun. 25, 2007.

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