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Thioaldehydes, Thioketones, and Thioacetals

Thioaldehydes Rule C-531

531.1 - Where -(C)HS is the principal group the monomeric compound RCHS is named by adding "-thial" to the name of the hydrocarbon RCH3.

Example to Rule C-531.1

531.2 - Alternatively, the -CHS group is named "-carbothialdehyde" this term being used as suffix, the principles of Rule C-303.1 beingapplied.

Examples to Rule C-531.2

531.3 - Where -CHS is not the principal group, the prefix "thioformyl-" is used.

Examples to Rule C-531.3

531.4 - The use of "thio" and "aldehyde" in trivial names, as in "thiobenzaldehyde" (C6H5-CHS) is retained for simple instances, but the nomenclature of Rules C-531.1 to C-531.3 is in general preferred.

See Recommendations'93 R-5.6.1

Next:
Thioaldehydes (Monomeric), Tioketones, and Tioacetals Rule C-532, Rule C-533
Thiocarboxylic Acids and Thiocarbonic Acid Derivatives Rule C-541, Rule C-542, Rule C-543 , Rule C-544, Rule C-545, Rule C-546, Rule C-547 , Rule C-548
Sulfonium Compounds Rule C-551

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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.

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