Bicyclic amide ketal derivatives

Compositions – Heat-exchange – low-freezing or pour point – or high boiling... – Organic components

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252 515R, 252392, 548218, C10M 132

Patent

active

045016798

ABSTRACT:
Bicyclic amide ketals such as 1-aza-4,6-dioxabicyclo[3.3.0]octanes have utility as water or acid scavengers for addition to functional fluids.

REFERENCES:
patent: 3507830 (1970-04-01), Feinauer
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patent: 3640957 (1972-02-01), Tomalia et al.
patent: 4277353 (1981-07-01), Deen et al.
patent: 4277354 (1981-07-01), Brois et al.
patent: 4320024 (1982-03-01), Reierson et al.
Burzin et al., "4,8-Dioxa-1-azabicyclo[3.3.0] octane from iminodiethanols and nitriles", Angew. Chem., 1973, 85(23), 1055-6, (CA 81:25594).
Feinauer et al., "Addition of epoxides to cyclic imino esters", Justus Leibigs Ann. Chem. 698, 174-9, (1966), (CA 66:37857).

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