Piperazine derivatives

Details Piperazine derivatives Piperazine derivatives

1981-04-09

1982-10-12

Daus, Donald G.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

252 73, 252190, 252392, 252394, 544398, 544401, C07D40504

Patent

active

043540287

ABSTRACT:
Novel amide acetals of the formula ##STR1## wherein R.sub.1 is hydrogen, methyl or Y and Y is the remnant of a hydroxyl-containing compound are claimed. The compounds are useful as water scavengers in fluid compositions.

REFERENCES:
patent: 3092637 (1963-06-01), Brown
patent: 3920746 (1975-11-01), Leimgruber et al.
patent: 4170653 (1979-10-01), Ferland et al.
Gloede, et al., "Zeitschrift fur Chemi", vol. 9, No. 6, 1969, pp. 201-213.
Meerwein, "Angew Chem.," vol. 71, 1959, p. 530.

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