Mesoionic purinone analogs. V. Synthesis of mesoionic thiazolo[3,2-a]-s-triazine-5,7-diones, mesoionic 1,3,4-thiadiazolo[3,2-a]-s-triazine-5,7-diones, and their monothione derivatives
Mesoionic purinone analogs. V. Synthesis of mesoionic thiazolo[3,2-a]-s-triazine-5,7-diones, mesoionic 1,3,4-thiadiazolo[3,2-a]-s-triazine-5,7-diones, and their monothione derivatives
Mesoionic purinone analogs. V. Synthesis of mesoionic thiazolo[3,2-a]-s-triazine-5,7-diones, mesoionic 1,3,4-thiadiazolo[3,2-a]-s-triazine-5,7-diones, and their monothione derivatives