Chroman-6-ol derivatives useful for stabilizing plastics

Details Chroman-6-ol derivatives useful for stabilizing plastics Chroman-6-ol derivatives useful for stabilizing plastics

1982-01-28

1983-02-15

Chan, Nicky

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

8DIG9, 585 18, C07D31172

Patent

active

043742580

ABSTRACT:
Novel chroman derivatives ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each H or C.sub.1 -C.sub.4 -alkyl, R.sup.5 is sec.--C.sub.3 -C.sub.8 --alkyl or tert.--C.sub.4 -C.sub.8 --alkyl, R.sup.6 is H or R.sup.5, m is 1, 2 or 3, and n is 0, 1, 2 or 3, a process for the preparation of these compounds, and their use as stabilizers for plastics.

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