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661.2 (Alternative to part of Rule C-661.1) - Compounds R-NH-SO3H and may be named as N-substituted sulfamic acids, or by means of a prefix "sulfoamino-" to denote the group HO3S-NH-.
Examples to Rule C-661.1
(but see also Rule C-661.2)
(but see also Rule C-661.3)
661.3 (Alternative to part of Rule C-661.1) - (a) Compounds , , and where may be H, may be named as assemblies of identical units (see Subsection C-0.7), by use of the prefix "thio-" for >S (Rule C-514.1) or "sulfinyl-" for >SO or "sulfonyl-" for >SO2 (Rule C-631.2). (b) Compounds may be named as substitution products of sulfamide, SO2(NH2)2. (c) If or is phenyl, "aniline" replaces "phenylamine", and "anilide" replaces "phenylamide" in the resulting names. Prefixes N and N' are used for clarity when required.
Examples to Rule C-661.2
(see also Rule C-661.1)
661.4 - Names of esters, salts, and other derivatives of amides of sulfur acids are derived by altering the ending of the names given in the preceding rule in the ways described in Rule C-651.
Examples to Rule C-661.3
661.5 - Compounds containing, formally, a group -N=SO or -N=SO2 are named as sulfinylamines or sulfonylamines, respectively.
Example to Rule C-661.4
661.6 - The following trivial names for parent compounds are retained:
Examples to Rule C-661.5
See Recommendations'93 R-5.7.8, Table 14
Examples to Rule C-661.6
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