caa a22 4500 469049731 CHVBK 20180323132827.0 cr unu---uuuuu 170328e19920301xx s 000 0 eng 10.1007/BF02973977 doi (NATIONALLICENCE)springer-10.1007/BF02973977 Reactions with hydrazidoyl halides VIII: Synthesis of thiazolo [3,2-a] benzimidazoles, imidazo[2,1-b] thiazoles and imidazo[2,1-b] benzthiazoles [Elektronische Daten] [Fikry Abdel-Mohdy, Abdou Abdelhamid] Hydrazidoyl halides were condensed with 2-mercaptobenzimidazole2 yielding4a-c which were cyclized to the corresponding 3-substituted 2-arylazothiazolo-[3,2-a] benzimidazole6a-c, respectively. Imidazo-[2,1-b] thiazoles9, 12, 15, and16 were obtained by the reaction of hydrazidoyl halides1 with 2-mercapto 4,5-dihydroimidazole3 and 2-aminothiazoles10. The structures of the products were established on the basis of their elemental analysis and spectral data studies. The Pharmaceutical Society of Korea, 1992 Thiazolo [3,2-a] benzimidazole nationallicence imidazo [2,1-b] thiazole nationallicence 2-aminothiazoles nationallicence 2-mercaptobenzimidazole nationallicence hydrazidoyl halides nationallicence Abdel-Mohdy Fikry Department of Scienc, King Khalid Military Academy, P. O. Box 2214o, 11495, Riyadh, Saudi Arabia aut Abdelhamid Abdou Department of Scienc, King Khalid Military Academy, P. O. Box 2214o, 11495, Riyadh, Saudi Arabia aut Archives of Pharmacal Research Pharmaceutical Society of Korea 15/1(1992-03-01), 9-13 0253-6269 15:1<9 1992 15 12272 https://doi.org/10.1007/BF02973977 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF02973977 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Abdel-Mohdy Fikry Department of Scienc, King Khalid Military Academy, P. O. Box 2214o, 11495, Riyadh, Saudi Arabia aut NATIONALLICENCE 700 1- Abdelhamid Abdou Department of Scienc, King Khalid Military Academy, P. O. Box 2214o, 11495, Riyadh, Saudi Arabia aut NATIONALLICENCE 773 0- Archives of Pharmacal Research Pharmaceutical Society of Korea 15/1(1992-03-01), 9-13 0253-6269 15:1<9 1992 15 12272 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer