81516-46-3Relevant academic research and scientific papers
Some transformations of 2-chloromethyl-7-methyl-5H-1,3,4-thiadiazolopyrimidin-5-one
Shukurov, V. I.,Kukaniev, M. A.,Nasyrov, M. I.,Zakharov, K. S.,Karakhanov, R. A.
, p. 854 - 856 (1994)
The reactions of 2-chloromethyl-7-methyl-5H-1,3,4-thiadiazolopyrimidin-5-one with tert-butyl hypochlorite and molecular bromine and the replacement of the chlorine atom in the chloromethyl group through the action of piperidine and morpholine were investigated. - Key words: electrophilic and nucleophilic substitution; 2-chloromethyl-7-methyl-5H-1,3,4-thiadiazolopyrimidin-5-one; tert-butyl hypochlorite; molecular bromine; piperidine; morpholine.
Convenient Synthesis of 2,7-Disubstituted 5H-1,3,4-Thiadiazolopyrimidin-5-ones and Related Compounds
Tsuji, Tadakazu,Takenaka, Keiko
, p. 637 - 638 (2007/10/02)
2,7-Disubstituted 5H-1,3,4-thiadiazolopyrimidin-5-ones were synthesized from the reaction of 3-amino-6-methyl-2-thiouracil with carboxylic acid or from that of thiosemicarbazide with carboxylic acid and β-keto ester in the presence of phosphorus pentaoxide and methanesulfonic acid.The synthesis of related compounds is also described.
