TABLE XI

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TABLE XI Examples of Mixed Anhydrides of Thio Acids

(arranged in order of decreasing priority of the anhydride grouping for citation as principal group)

Mixed anhydride Formula

Acetic propionic anhydride CH3-CO-O-CO-CH2-CH3

Acetic propionic thioanhydride CH3-CO-S-CO-CH2-CH3

Acetic thiopropionic anhydride CH3-CO-O-CS-CH2-CH3

Propionic thioacetic anhydride CH3-CS-O-CO-CH2-CH3

Acetic thiopropionic
thioanhydride CH3-CO-S-CS-CH2-CH3

Propionic thioacetic
thioanhydride CH3-CS-S-CO-CH2-CH3

Thioacetic thiopropionic
anhydride CH3-CS-O-CS-CH2-CH3

Thioacetic thiopropionic
thioanhydride CH3-CS-S-CS-CH2-CH3

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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Mixed anhydride	Formula

Acetic propionic anhydride	CH3-CO-O-CO-CH2-CH3
Acetic propionic thioanhydride	CH3-CO-S-CO-CH2-CH3
Acetic thiopropionic anhydride	CH3-CO-O-CS-CH2-CH3
Propionic thioacetic anhydride	CH3-CS-O-CO-CH2-CH3
Acetic thiopropionic thioanhydride	CH3-CO-S-CS-CH2-CH3
Propionic thioacetic thioanhydride	CH3-CS-S-CO-CH2-CH3
Thioacetic thiopropionic anhydride	CH3-CS-O-CS-CH2-CH3
Thioacetic thiopropionic thioanhydride	CH3-CS-S-CS-CH2-CH3