Yoo, K.H. Kim, D.J. Kim, D.C. Park, S.W. 2024-01-22T00:01:11Z 2024-01-22T00:01:11Z 2022-01-28 1991-01 0385-5414 https://pubs.kist.re.kr/handle/201004/146850 New heterocycles, (12RS, 13SR)- and (12SR, 13SR)-12-benzoyl-2,4-dioxo-1,3,9-triphenyl-6,7-dihydro-12H-thiazino[3′,4′; 2,3]imidazo[1,2-a][1,3,5]triazines (4a and 4b), were synthesized via 1,4-dipolar cycloaddition from 5,6-dihydro-3-phenyl-7-[N-phenyl(carbamoyl)]imidazo[2,1-b]thiazolium-betaine (2) by the treatment of phenacyl bromide. ？ 1991. English Reaction mechanism and structure of new heterocycles via 1,4-dipolar cycloaddition of imidazo[2,1-b]thiazolium-betaine Article 10.3987/com-90-5593 1 Heterocycles, v.32, no.2, pp.253 - 259 Heterocycles 32 2 253 259 scopus 2-s2.0-0004479642 Article imidazo[2,1-b]thiazolium-betaine reaction mechanism structure elucidation