N-(lower alkyl sulfonyl-methyl sulfonyl)-piperazines

Details N-(lower alkyl sulfonyl-methyl sulfonyl)-piperazines N-(lower alkyl sulfonyl-methyl sulfonyl)-piperazines

1976-04-29

1977-02-22

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

96 29R, C07D29520

Patent

active

040091678

ABSTRACT:
This application is directed to compounds of the formula ##STR1## wherein R.sup.1 is lower alkyl; R.sup.2 is hydrogen, lower alkyl or --CH.sub.2 ).sub.m S--CH.sub.2).sub.n Y wherein m is a whole number 2 to 5, n is a whole number 1 to 4 and Y is hydrogen, --OH or --COOR wherein R is hydrogen or lower alkyl; and X is ##STR2## wherein A is a halide or sulfonate, R.sup.3 is hydrogen or --CH.sub.2).sub.n Y wherein n and Y have the same meaning given above, R.sup.4 is --CH.sub.2).sub.n Y wherein n and Y have the same meaning given above and R.sup.5 is lower alkyl. These compounds are useful as silver halide solvents in photography.

REFERENCES:
patent: 3836535 (1974-09-01), Shun-Ichi Naito
patent: 3895010 (1975-07-01), Goralski et al.

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