Preparation of bifunctional compounds

Details Preparation of bifunctional compounds Preparation of bifunctional compounds

1987-08-06

1989-03-14

Gray, Bruce D.

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

Organic compounds

Carboxylic acid esters

560186, 560187, 568392, 568460, 568465, 568486, C07C 6973

Patent

active

048125938

ABSTRACT:
Bifunctional compounds of the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each alkyl of 1 to 6 carbon atoms, R.sup.2 and R.sup.3 may furthermore be hydrogen, R.sup.2 is furthermore alkoxy and R.sup.4 is hydrogen, alkyl of 1 to 6 carbon atoms or alkoxy, and a double bond may be present between carbon atoms 2 and 3, are prepared by converting a tetraalkoxyalkane or a dialkoxyalkanoate of the formulae ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the above meanings, in the presence of a catalyst, such as a zeolite, in particular one of the pentasil type, and/or a phosphate and/or phosphoric acid on a carrier.

REFERENCES:
patent: 1738659 (1929-12-01), Maude
patent: 2459076 (1949-01-01), Hultquist
patent: 2465586 (1949-03-01), Gaspar
patent: 2571212 (1951-10-01), Croxall et al.
patent: 2815384 (1957-12-01), Guest et al.
patent: 2816109 (1957-12-01), Sletzinger et al.
patent: 2870221 (1959-01-01), Hall et al.

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