LS Konstantinova, EA Knyazeva… - Organic Preparations and …, 2014 - Taylor & Francis
1, 2, 5-Chalcogenadiazoles (oxa-, thia-, selena-, and telluradiazoles) have been known for
many years. Their first representative, 2, 1, 3-benzothiadiazole (1), was discovered in 1889 …