TY - JOUR
T1 - Quinolone analogs 14
T2 - Synthesis of antimalarial 1-aryl-3-(4-quinolon-2-yl) ureas and related compounds
AU - Kurasawa, Yoshihisa
AU - Yoshida, Kiminari
AU - Yamazaki, Naoki
AU - Sasaki, Kenji
AU - Zamami, Yoshito
AU - Min, Zhao
AU - Togi, Atsumi
AU - Ito, Hideyuki
AU - Kaji, Eisuke
AU - Fukaya, Haruhiko
PY - 2014/8
Y1 - 2014/8
N2 - The 4-quinolone-2-carbohydrazide 6a was converted into 1-aryl-3-(4- quinolon-2-yl)ureas 5a, 5b, 5c, 5d, 5e, 1-aryl-3-(4-quinolon-2-yl)imidazolidine- 2,4-diones 9a,9b, and N-(4-quinolon-2-yl)carbamates 10a,10b via 4-quinolone-2-carbonylazide 7a. The 4-methoxyquinoline-2-carbohydrazide 6b was also transformed into 1-aryl-3-(4-methoxyquinolin-2-yl)ureas 11a, 11b, 11c, 11d, 1-aryl-3-(4-methoxyquinolin-2-yl)imidazolidine-2,4-diones 12a,12b, and N-(4-methoxyquinolin-2-yl)carbamates 13a,13b via 4-methoxyquinoline-2- carbonylazide 7b. Some of the 1-aryl-3-(4-quinolon-2-yl)ureas 5a, 5b, 5c, 5d, 5e showed the in vitro antimalarial activity to chloroquine-resistant Plasmodium falciparum, wherein IC50 was 0.93 to 4.00 μM.
AB - The 4-quinolone-2-carbohydrazide 6a was converted into 1-aryl-3-(4- quinolon-2-yl)ureas 5a, 5b, 5c, 5d, 5e, 1-aryl-3-(4-quinolon-2-yl)imidazolidine- 2,4-diones 9a,9b, and N-(4-quinolon-2-yl)carbamates 10a,10b via 4-quinolone-2-carbonylazide 7a. The 4-methoxyquinoline-2-carbohydrazide 6b was also transformed into 1-aryl-3-(4-methoxyquinolin-2-yl)ureas 11a, 11b, 11c, 11d, 1-aryl-3-(4-methoxyquinolin-2-yl)imidazolidine-2,4-diones 12a,12b, and N-(4-methoxyquinolin-2-yl)carbamates 13a,13b via 4-methoxyquinoline-2- carbonylazide 7b. Some of the 1-aryl-3-(4-quinolon-2-yl)ureas 5a, 5b, 5c, 5d, 5e showed the in vitro antimalarial activity to chloroquine-resistant Plasmodium falciparum, wherein IC50 was 0.93 to 4.00 μM.
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U2 - 10.1002/jhet.1813
DO - 10.1002/jhet.1813
M3 - Article
AN - SCOPUS:84907022311
VL - 51
SP - E241-E248
JO - Journal of Heterocyclic Chemistry
JF - Journal of Heterocyclic Chemistry
SN - 0022-152X
IS - SUPPL. 1
ER -