different between thiazoline vs triazoline

English

thiazoline (plural thiazolines)

(organic chemistry) An unsaturated heterocyclic compound containing a five-membered ring, one double bond, one nitrogen and one sulfur atom; any derivative of this compound

triazoline (plural triazolines)

(organic chemistry) An unsaturated five-membered heterocycle having two carbon atoms, three nitrogen atoms and one double bond (between two of the nitrogen atoms); any derivative of this compound
Aldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich
With benzo-Smith’s diene 152 as a substrate, reaction was achieved at the cyclobutene-1,2-diester ?-bond to form a triazoline adduct 153, which was transformed to the aziridine 154 by UV irradiation.

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