Oligoethylenepiperazines
AssigneeSanraku-Ocean Co., Ltd.
InventorKouki Fujii
Life of this patent
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Abstract
Oligoethylenepiperazines and their derivatives of the formula ##SPC1## Wherein n is a positive integer of 1 to 7 inclusive; m is zero or one when n=1, or m is one when n=2.about.7 R.sub.1 is hydrogen, benzenesulfonyl or benzenesulfonyl ring substituted by at least one member selected from the group consisting of lower alkyl of 1-4 carbon atoms, nitro and amino; R.sub.2 is halogen when m=zero and hydrogen, benzenesulfonyl or benzenesulfonyl ring substituted by at least one member selected from the group consisting of lower alkyl of 1-4 carbon atoms, nitro and amino when m=one; and the cationic salts thereof are useful as anion exchange oligomers, antihelmintic compounds, and intermediates for the preparation of polymers and fine industrial chemicals.
Claims9
A compound selected from the group consisting of oligoethylenepiperazines of the formula ##SPC20##
- wherein n is a positive integer of 2 through 7 inclusive, the acid addition salts thereof and the quaternary salts thereof wherein at least one tertiary amino group is in quaternary form.
Dependencies are inferred from the claim text.