1,4,7,10-Tetraazatetracyclo[5.5.1.0.sup.4,13.0.sup.10,13 ]tridec

Details 1,4,7,10-Tetraazatetracyclo[5.5.1.0.sup.4,13.0.sup.10,13 ]tridec 1,4,7,10-Tetraazatetracyclo[5.5.1.0.sup.4,13.0.sup.10,13 ]tridec

1973-11-27

1976-01-13

Love, Ethel G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

99 665, 99107, 260239B, 2603097, 260482C, C07D 4934

Patent

active

039324516

ABSTRACT:
1,4,7,10-Tetraazatetracyclo[5.5.1.0.sup.4,13.0.sup.10,13 ]tridecane -tridecane which can reversibly and successively add two moles of acids to form conjugate acids, can be made by condensation of 1,4,7,10-tetraazacyclododecane with ethyl orthocarbonate or by the condensation of 2,3,5,6-tetrahydro-1H-imidazo[1,2-a]imidazole with ethyl bis(2-chloroethyl)carbamate followed by acid hydrolysis. The salts with acids having photographically innocuous anions can be used in developers for silver halide emulsion to reduce fog, and can be used in the emulsions themselves as sensitizers.

REFERENCES:
chem. Abstracts, 65: 18580c.

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