6,7‐Dihydro‐5H‐1,2,4‐triazolo[3,4‐b][1,3,4]thiadiazine Ring Cleavage and Tautomerism of the Products: Experimental and Theoretical Study

AA Kolodina, AA Tsaturyan, MS Galkina… - …, 2020 - Wiley Online Library
Electronic effects of aryl substituents at the C (7)‐atom play a crucial role in the cleavage of a
six‐membered ring of 6, 7‐dihydro‐5H‐[1, 2, 4] triazolo [3, 4‐b][1, 3, 4] thiadiazines. Our …

Bicyclic 5-6 Systems with One Bridgehead (Ring Junction) Nitrogen Atom: Four Extra Heteroatoms 2: 2

A Claraz - Comprehensive Heterocyclic Chemistry IV, 2022 - hal.science
Bicyclic 5-6 systems with one ring junction nitrogen atom and two extra heteroatoms
(nitrogen, sulfur and oxygen) in both cycles are reviewed in this chapter. Literature data from …