Poly(alpha-Ketoester) compound and production thereof

Details Poly(alpha-Ketoester) compound and production thereof Poly(alpha-Ketoester) compound and production thereof

1990-01-12

1992-01-14

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525118, 525213, 525217, 525219, 525226, 5253282, 5253288, 5253289, 5253314, 5253332, 5253591, 525386, C08F 800, C08L 2902, C08L 3314, C08L 2900

Patent

active

050811835

ABSTRACT:
The present invention provides a poly(alpha-ketoester) compound represented by the formula (1); ##STR1## wherein G is a residue of an active hydrogen-containing compound G--(X--H).sub.n, or an alkyl, aryl, aralkyl, alkenyl, alkynyl group having 3 to 20 carbon atoms which may contain oxygen or nitrogen atoms, or a polymeric compound residue, X is an oxygen atom or --CH.sub.2, n is an integer of 3 to 1,000, R.sub.1 is a hydrogen atom, a C.sub.1 -C.sub.5 alkyl group or an aryl group, and a production thereof.

REFERENCES:
patent: 4105765 (1978-08-01), Kummer et al.
W. Von E. Doering and Lillian K. Levy, d-Orbital Resonance I. The Acidity of Bridgehead .alpha.-Hydrogen in a Bicyclic Trisulfone, Journal of the American Chemical Society 77, 509, 1955 (see p. 512).
Donald J. Cram and George S. Hammond, Organic Chemistry, McGraw-Hill Book Company, Inc., 1959 (see p. 310).
K. C. Gupta and K. K. Sharma, Polarographic Study of Mixed Ligand (Trimethylolpropane Trithioglycolate-Oxalate-Citrate-Tartrate-Glutamate) Complexes of Cadmium (II), Lead (II) and Thallium (I), An. Quim., Ser. B, 82(2), 118-23, 1986 Abstract of R. CA 106 (8): 56629m, 1986.

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