Polysubstituted .alpha.-aminoacetamides

Details Polysubstituted .alpha.-aminoacetamides Polysubstituted .alpha.-aminoacetamides

1982-09-29

1985-02-19

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 95, 524 97, 524100, 524217, 524103, 544 86, 544121, 544129, 544360, 544357, 546190, 546233, 546247, 564194, 564197, C08K 520, C07C103727, C07C10350, C07D21100

Patent

active

045006628

ABSTRACT:
Polysubstituted .alpha.-aminoacetamides of the formula ##STR1## wherein R.sup.1 is tert-alkyl; R.sup.4 is alkyl, phenyl, substituted phenyl, cycloalkyl, piperidinyl, tetraalkylpiperidinyl or an alkylene (.alpha.-aminoacetamide). These compounds are prepared by first reacting an .alpha.-haloacetamide with a base to form an .alpha.-lactam intermediate which in turn is reacted with a primary amine. The compounds are useful as stabilizers of polymeric materials against ultraviolet light degradation.

REFERENCES:
patent: 4310429 (1982-01-01), Lai
I. Lengyel et al. ".alpha.-Lactams (Aziridinones)" Angewandte Chemie, vol. 7, No. 1, pp. 25-35 (1968) International edition in English.

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