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951.2 - Names of amidines are derived from the names of the corresponding acids by replacing "-oic acid" or "-ic acid" by "-amidine" or "-carboxylic acid" by "-carboxamidinc". (For sulfinamidines see Rule C-641.9).
951.3 - N-Substituted amidines are named by prefixing the name of the appropriate radical to the name of the unsubstituted amidine, with or as locant, , referring to the NH2 and to the =NH group. If the position of the double bond is not known the locants N and N' are used.Examples to Rule C-951.2
Hexanamidine
Cyclohexanecarboxamidine
Acetamidine
951.4 - The systematic prefix name for the radical -C(=NH)-NH2 is "carbamimidoyl-" but, because of precedent, the name "amidino-" is retained.Examples to Rule C-951.3
N-Ethyl-N'-methylbenzamidine
951.4 - The systematic prefix name for the radical -C(=NH)-NH2 is "carbamimidoyl-" but, because of precedent, the name "amidino-" is retained.Example to Rule C-951.4
p-Amidinobenzoic acid
Note: The isomeric radicals HN=CH-NH- and H2N-CH=N are "iminomethylamino-", and "aminomethyleneamino-", respectively.
951.5 - The compound [H2N(NH=)C-S-]2 and its substitution products have the generic name "formamidine disulfides". Individual compounds are named as derivatives of assemblies of identical units (see Subsection C-0.7); locants are assigned as in the example.Example to Rule C-951.4
Iminomethylaminoacetic acid
See Recommendations'93 Table 31(a)Example to Rule C-951.5
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