Dihydropyridine derivatives

Details Dihydropyridine derivatives Dihydropyridine derivatives

1979-11-20

1980-12-16

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

260 458N, 260 4575W, C07D21355

Patent

active

042398932

ABSTRACT:
The instant invention relates to compounds of the general formula: ##STR1## wherein R.sub.1 represents an alkyl, alkenyl, phenylalkyl radical, R.sub.2 represents a straight-chain alkyl, a straight- or branched-chain alkenyl or alkynyl radical, a .omega.-halogenoethyl radical, an optionally substituted benzyl radical, or a radical of the formula R.sub.4 --O--(CH.sub.2).sub.n --wherein n is 2, 3 or 4 and R.sub.4 represents a substituted alkyl radical.
The compounds of the foregoing formula have been found to be useful as stabilizers for vinyl resins.

REFERENCES:
patent: 3511847 (1970-05-01), Loev et al.
Meyer et al., Chem. Abstracts, vol. 78, (3), Item No. 16,042m, Jan. 22, 1973.
Palecek et al., Chem. Abstracts, vol. 81, (23), Item No. 151,930b, Dec. 9, 1974.
Roomi, Chem. Abstracts, vol. 83, (5), Item No. 37,498h, Aug. 4, 1975.
Traber et al., Chem. Abstracts, vol. 53, (11), pp. 10,213-10,214, Jun. 10, 1959.

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