Rule C-985 (Compounds Containing a N-CO-N-N or More Complex Group)

Bring the power of IUPAC naming to your desktop!

ACD/Name (Chemist Version) offers a standardized set of features for quick and simple generation of IUPAC names, and structures from names. It is a streamlined version of our popular ACD/Name software.

View a full description and pricing on our web store.

Compounds Containing a N-CO-N-N or More Complex Group

Rule C-985

985.1 - (a) The following sulfur analogues of the preceding compounds are named and numbered as shown:

Thiosemicarbazide

Thiocarbonohydrazide

Thiocarbazone

Thiocarbodiazone

(b) The derived radicals are named by changing the final "e" to "o"

(c) Selenium analogues are named similarly, by use of "seleno-" in place of "thio-".

(d) Numbering of these compounds and radicals, and formation of names of derivatives, are carried out as indicated for the oxygen compounds .

Examples to Rule C-985.1

1-Ethyl-3-thiocarbonohydrazide

Acetophenone selenosemicarbazone

See Recommendations'93 Table 31(a)

This HTML reproduction of Sections A, B and C of IUPAC "Blue Book" is as close as possible to the published version [see Nomenclature of Organic Chemistry, Sections A, B, C, D, E, F, and H, Pergamon Press, Oxford, 1979. Copyright 1979 IUPAC.] If you need to cite these rules please quote this reference as their source.

Published with permission of the IUPAC by Advanced Chemistry Development, Inc., www.acdlabs.com, +1(416)368-3435 tel, +1(416)368-5596 fax. For comments or suggestions please contact webmaster@acdlabs.com