Preparation of vinyl glycols

Details Preparation of vinyl glycols Preparation of vinyl glycols

1993-04-29

1994-08-09

Evans, Joseph E.

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

Organic compounds

Oxygen containing

568807, 568808, 568828, 568838, C07C 2956, C07C 33035

Patent

active

053368150

ABSTRACT:
Preparation of vinyl glycols (I) ##STR1## (R.sup.1 to R.sup.6 =H, a carbo-organic radical, optionally substituted) in which an unsaturated diol of formula II ##STR2## is isomerized in the presence of a rhenium catalyst under neutral conditions. The compounds (I) serve as intermediates for the preparation of active substances and for the preparation of polymers.

REFERENCES:
patent: 3925485 (1975-12-01), Chabardes et al.
patent: 4661646 (1987-04-01), Schalenbach et al.
Tetrahedron, vol. 45, pp. 7031-7040 (1989).
Houben-Weyl, vol. V/lb, pp. 779, 783, 790 Ed. by Muller (1972).

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