21 research outputs found
Π‘ΠΈΠ½ΡΠ΅Π· Ρ ΠΏΡΠΎΡΠΈΠΏΡΡ Π»ΠΈΠ½Π½Π° Π°ΠΊΡΠΈΠ²Π½ΡΡΡΡ 2-(4-aΠΌΡΠ½ΠΎ-5-ΠΌΠ΅ΡΠΈΠ»-4H-[1,2,4]ΡΡΠΈΠ°Π·ΠΎΠ»-3-ΡΠ»ΡΡΠ»ΡΡΠ°Π½ΡΠ»)-N-(5-R-Π±Π΅Π½Π·ΠΈΠ»ΡΡΠ°Π·ΠΎΠ»-2-ΡΠ»)-Π°ΡΠ΅ΡΠ°ΠΌΡΠ΄ΡΠ²
3-Aryl-2-chloropropanals 2a-h have been prepared by the reaction of arenediazonium chlorides 1a-h with acroleinΒ in the conditions of Meerwein arylation (water-acetone, CuCl2 as a catalyst). These aldehydes react with thioureaΒ by refluxing in ethanol to obtain 2-amino-5-R-benzyl-1,3-thiazoles 3a-h (R = 2-Cl, 3-Cl, 4-Cl, 3-CF3, 2,4-Cl2, 2,5-Cl2,Β 3,4-Cl2, 3-Cl-4-Me) with high yields. The resulting 2-aminothiazoles were acylated with chloroacetic acid chloridesΒ to form 2-chloro-N-(5-aryl-1,3-thiazol-2-yl)acetamides 4a-h with the yields of 68-91%. By the reaction of compoundsΒ 4a-h with 4-amino-5-methyl-4H-1,2,4-triazole-3-thiole 5 a series of novel 2-(4-amino-5-methyl-4H-[1,2,4]triazol-3-ylsulfanyl)-N-(5-R-benzylthiazol-2-yl)-acetamides 6a-h (71-86%) have been synthesized. These compounds haveΒ been evaluated for their anticancer activity against 60 cancer lines in the concentration of 10 ΞΌM. The human tumourΒ cell lines were derived from nine different cancer types: leukemia, melanoma, lung, colon, CNS, ovarian, renal, prostate,Β and breast cancers. Among all the derivatives, compounds 6a-c, 6e,f (R = 2-Cl, 3-Cl, 4-Cl, 2,4-Cl2, 2,5-Cl2) haveΒ been found to be active and have a high selectivity in relation to melanoma, while 2-(4-amino-5-methyl-4H-[1,2,4]Β triazol-3-ylsulfanyl)-N-[5-(2-chlorobenzyl)-thiazol-2-yl]-acetamide (6a) and 2-(4-amino-5-methyl-4H-[1,2,4]triazol-3-ylsulfanyl)-N-[5-(3,4-dichlorobenzyl)-thiazol-2-yl]-acetamide (6g) are active in relation to breast cancer.ΠΠ·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡΠ²ΠΈΠ΅ΠΌ Π°ΡΠ΅Π½Π΄ΠΈΠ°Π·ΠΎΠ½ΠΈΠ΅Π²ΡΡ
ΡΠΎΠ»Π΅ΠΉ 1a-h Ρ Π°ΠΊΡΠΎΠ»Π΅ΠΈΠ½ΠΎΠΌ Π² Π²ΠΎΠ΄Π½ΠΎ-Π°ΡΠ΅ΡΠΎΠ½ΠΎΠ²ΠΎΠΉ ΡΡΠ΅Π΄Π΅ Π² ΠΏΡΠΈΡΡΡΡΡΠ²ΠΈΠΈ ΠΊΠ°ΡΠ°Π»ΠΈΠ·Π°ΡΠΎΡΠ° Ρ
Π»ΠΎΡΠΈΠ΄Π° ΠΌΠ΅Π΄ΠΈ(II) (ΡΡΠ»ΠΎΠ²ΠΈΡ ΡΠ΅Π°ΠΊΡΠΈΠΈ ΠΠ΅Π΅ΡΠ²Π΅ΠΉΠ½Π°) ΡΠΈΠ½ΡΠ΅Π·ΠΈΡΠΎΠ²Π°Π½Ρ 3-Π°ΡΠΈΠ»-2-Ρ
Π»ΠΎΡΠΎΠΏΡΠΎΠΏΠ°Π½Π°Π»ΠΈ 2a-h. ΠΡΠΈΒ Π°Π»ΡΠ΄Π΅Π³ΠΈΠ΄Ρ ΡΠ΅Π°Π³ΠΈΡΡΡΡ Ρ ΡΠΈΠΎΠΌΠΎΡΠ΅Π²ΠΈΠ½ΠΎΠΉ ΠΏΡΠΈ Π½Π°Π³ΡΠ΅Π²Π°Π½ΠΈΠΈ Π² ΡΠΏΠΈΡΡΠ΅, ΠΎΠ±ΡΠ°Π·ΡΡ 2-Π°ΠΌΠΈΠ½ΠΎ-5-R-Π±Π΅Π½Π·ΠΈΠ»-1,3-ΡΠΈΠ°Π·ΠΎΠ»ΡΒ 3a-h (R = 2-Cl, 3-Cl, 4-Cl, 3-CF3, 2,4-Cl2, 2,5-Cl2, 3,4-Cl2, 3-Cl-4-Me) Ρ Π²ΡΡΠΎΠΊΠΈΠΌΠΈ Π²ΡΡ
ΠΎΠ΄Π°ΠΌΠΈ. ΠΡΠΈΠ»ΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ Π°ΠΌΠΈΠ½ΠΎΡΠΈΠ°Π·ΠΎΠ»ΠΎΠ² 3a-h Ρ
Π»ΠΎΡΠ°Π½Π³ΠΈΠ΄ΡΠΈΠ΄ΠΎΠΌ Ρ
Π»ΠΎΡΡΠΊΡΡΡΠ½ΠΎΠΉ ΠΊΠΈΡΠ»ΠΎΡΡ Π² ΠΏΡΠΈΡΡΡΡΡΠ²ΠΈΠΈ ΡΡΠΈΡΡΠΈΠ»Π°ΠΌΠΈΠ½Π° ΠΏΠΎΠ»ΡΡΠ΅Π½Ρ 2-Ρ
Π»ΠΎΡ-N-(5-Π°ΡΠΈΠ»-1,3-ΡΠΈΠ°Π·ΠΎΠ»-2-ΠΈΠ»)Π°ΡΠ΅ΡΠ°ΠΌΠΈΠ΄Ρ 4a-h Ρ Π²ΡΡ
ΠΎΠ΄Π°ΠΌΠΈ 68-91%. ΠΠΈΠΏΡΡΠ΅Π½ΠΈΠ΅ΠΌ ΠΏΠΎΡΠ»Π΅Π΄Π½ΠΈΡ
Ρ ΡΠΊΠ²ΠΈΠΌΠΎΠ»ΡΡΠ½ΡΠΌ ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎΠΌ 4-Π°ΠΌΠΈΠ½ΠΎ-5-ΠΌΠ΅ΡΠΈΠ»-4H-[1,2,4]ΡΡΠΈΠ°Π·ΠΎΠ»-3-ΡΠΈΠΎΠ»Π° 5 Π½Π° ΠΏΡΠΎΡΡΠΆΠ΅Π½ΠΈΠΈ 4 ΡΠ°ΡΠΎΠ² Π² ΠΏΡΠΈΡΡΡΡΡΠ²ΠΈΠΈ ΡΡΠΈΡΡΠΈΠ»Π°ΠΌΠΈΠ½Π° ΡΠΈΠ½ΡΠ΅Π·ΠΈΡΠΎΠ²Π°Π»ΠΈ ΡΠ΅ΡΠΈΡ Π½ΠΎΠ²ΡΡ
2-(4-Π°ΠΌΠΈΠ½ΠΎ-5-ΠΌΠ΅ΡΠΈΠ»-4H-[1,2,4]ΡΡΠΈΠ°Π·ΠΎΠ»-3-ΠΈΠ»ΡΡΠ»ΡΡΠ°Π½ΠΈΠ»)-N-(5-R-Π±Π΅Π½Π·ΠΈΠ»ΡΠΈΠ°Π·ΠΎΠ»-2-ΠΈΠ»)-Π°ΡΠ΅ΡΠ°ΠΌΠΈΠ΄ΠΎΠ² 6aβh, Π²ΡΡ
ΠΎΠ΄Ρ ΠΊΠΎΡΠΎΡΡΡ
ΡΠΎΡΡΠ°Π²Π»ΡΡΡ 71-86%. ΠΠ·ΡΡΠ΅Π½Π° ΠΏΡΠΎΡΠΈΠ²ΠΎΡΠ°ΠΊΠΎΠ²Π°Ρ Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΠΏΠΎΠ»ΡΡΠ΅Π½Π½ΡΡ
ΡΠΎΠ΅Π΄ΠΈΠ½Π΅Π½ΠΈΠΉ. ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΏΡΠΎΡΠΈΠ²ΠΎΠΎΠΏΡΡ
ΠΎΠ»Π΅Π²ΠΎΠΉ Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ ΡΠΎΠ΅Π΄ΠΈΠ½Π΅Π½ΠΈΠΉ ΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠ»ΠΈ Π½Π°Β 60 Π»ΠΈΠ½ΠΈΡΡ
ΡΠ°ΠΊΠΎΠ²ΡΡ
ΠΊΠ»Π΅ΡΠΎΠΊ Π² ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ 10 ΠΌΠΊΠ. ΠΠΈΠ½ΠΈΠΈ ΠΎΠΏΡΡ
ΠΎΠ»Π΅Π²ΡΡ
ΠΊΠ»Π΅ΡΠΎΠΊ ΡΠ΅Π»ΠΎΠ²Π΅ΠΊΠ° Π±ΡΠ»ΠΈ ΠΏΠΎΠ»ΡΡΠ΅Π½Ρ ΠΈΠ·Β Π΄Π΅Π²ΡΡΠΈ ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΡΠΈΠΏΠΎΠ² ΡΠ°ΠΊΠ°: Π»Π΅ΠΉΠΊΠ΅ΠΌΠΈΠΈ, ΠΌΠ΅Π»Π°Π½ΠΎΠΌΡ, ΡΠ°ΠΊΠ° Π»Π΅Π³ΠΊΠΈΡ
, ΡΠΎΠ»ΡΡΠΎΠΉ ΠΊΠΈΡΠΊΠΈ, Π¦ΠΠ‘, ΡΠΈΡΠ½ΠΈΠΊΠΎΠ², ΠΏΠΎΡΠ΅ΠΊ,Β ΠΏΡΠΎΡΡΠ°ΡΡ, ΠΌΠΎΠ»ΠΎΡΠ½ΠΎΠΉ ΠΆΠ΅Π»Π΅Π·Ρ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ ΡΠΎΠ΅Π΄ΠΈΠ½Π΅Π½ΠΈΡ 6a-c, 6e,f (R = 2-Cl, 3-Cl, 4-Cl, 2,4-Cl2, 2,5-Cl2) Π½Π°ΠΈΠ±ΠΎΠ»Π΅Π΅ Π°ΠΊΡΠΈΠ²Π½Ρ ΠΎΡΠ½ΠΎΡΠΈΡΠ΅Π»ΡΠ½ΠΎ Π»ΠΈΠ½ΠΈΠΉ ΠΌΠ΅Π»Π°Π½ΠΎΠΌΡ, Π° 2-(4-Π°ΠΌΠΈΠ½ΠΎ-5-ΠΌΠ΅ΡΠΈΠ»-4Π-[1,2,4]ΡΡΠΈΠ°Π·ΠΎΠ»-3-ΠΈΠ»ΡΡΠ»ΡΡΠ°Π½ΠΈΠ»)-N-[5-(2-Ρ
Π»ΠΎΡΠ±Π΅Π½Π·ΠΈΠ»)ΡΠΈΠ°Π·ΠΎΠ»-2-ΠΈΠ»]Π°ΡΠ΅ΡΠ°ΠΌΠΈΠ΄ (6Π°) ΠΈ 2-(4-Π°ΠΌΠΈΠ½ΠΎ-5-ΠΌΠ΅ΡΠΈΠ»-4Π-[1,2,4]ΡΡΠΈΠ°Π·ΠΎΠ»-3-ΠΈΠ»ΡΡΠ»ΡΡΠ°Π½ΠΈΠ»)-N-[5-(3,4-Π΄ΠΈΡ
Π»ΠΎΡΠ±Π΅Π½Π·ΠΈΠ»)ΡΠΈΠ°Π·ΠΎΠ»-2-ΠΈΠ»]Π°ΡΠ΅ΡΠ°ΠΌΠΈΠ΄ (6g) β ΠΎΡΠ½ΠΎΡΠΈΡΠ΅Π»ΡΠ½ΠΎ Π»ΠΈΠ½ΠΈΠΉ ΡΠ°ΠΊΠ° ΠΌΠΎΠ»ΠΎΡΠ½ΠΎΠΉ ΠΆΠ΅Π»Π΅Π·Ρ.ΠΠ·Π°ΡΠΌΠΎΠ΄ΡΡΡ Π°ΡΠ΅Π½Π΄ΡΠ°Π·ΠΎΠ½ΡΡΠ²ΠΈΡ
ΡΠΎΠ»Π΅ΠΉ 1a-h Π· Π°ΠΊΡΠΎΠ»Π΅ΡΠ½ΠΎΠΌ Ρ Π²ΠΎΠ΄Π½ΠΎ-Π°ΡΠ΅ΡΠΎΠ½ΠΎΠ²ΠΎΠΌΡ ΡΠ΅ΡΠ΅Π΄ΠΎΠ²ΠΈΡΡ Π·Π° Π½Π°ΡΠ²Π½ΠΎΡΡΡ ΠΊΠ°ΡΠ°Π»ΡΠ·Π°ΡΠΎΡΠ° Ρ
Π»ΠΎΡΠΈΠ΄Ρ ΠΌΡΠ΄Ρ(II) (ΡΠΌΠΎΠ²ΠΈ ΡΠ΅Π°ΠΊΡΡΡ ΠΠ΅ΡΡΠ²Π΅ΠΉΠ½Π°) ΡΠΈΠ½ΡΠ΅Π·ΠΎΠ²Π°Π½ΠΎ 3-Π°ΡΠΈΠ»-2-Ρ
Π»ΠΎΡΠΎΠΏΡΠΎΠΏΠ°Π½Π°Π»Ρ 2a-h. Π¦Ρ Π°Π»ΡΠ΄Π΅Π³ΡΠ΄ΠΈ ΡΠ΅Π°Π³ΡΡΡΡ Π· ΡΡΠΎΡΠ΅ΡΠΎΠ²ΠΈΠ½ΠΎΡ ΠΏΡΠΈ Π½Π°Π³ΡΡΠ²Π°Π½Π½Ρ Ρ ΡΠΏΠΈΡΡΡ, ΡΡΠ²ΠΎΡΡΡΡΠΈ 2-Π°ΠΌΡΠ½ΠΎ-5-R-Π±Π΅Π½Π·ΠΈΠ»-1,3-ΡΡΠ°Π·ΠΎΠ»ΠΈ 3a-hΒ (R = 2-Cl, 3-Cl, 4-Cl, 3-CF3, 2,4-Cl2, 2,5-Cl2, 3,4-Cl2, 3-Cl-4-Me) Π· Π²ΠΈΡΠΎΠΊΠΈΠΌΠΈ Π²ΠΈΡ
ΠΎΠ΄Π°ΠΌΠΈ. ΠΡΠΈΠ»ΡΠ²Π°Π½Π½ΡΠΌ Π°ΠΌΡΠ½ΠΎΡΡΠ°Π·ΠΎΠ»ΡΠ² 3a-h Ρ
Π»ΠΎΡΠ°Π½Π³ΡΠ΄ΡΠΈΠ΄ΠΎΠΌ Ρ
Π»ΠΎΡΠΎΡΡΠΎΠ²ΠΎΡ ΠΊΠΈΡΠ»ΠΎΡΠΈ Π·Π° Π½Π°ΡΠ²Π½ΠΎΡΡΡ ΡΡΠΈΠ΅ΡΠΈΠ»Π°ΠΌΡΠ½Ρ ΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΎ 2-Ρ
Π»ΠΎΡ-N-(5-Π°ΡΠΈΠ»-1,3-ΡΡΠ°Π·ΠΎΠ»-2-ΡΠ»)Π°ΡΠ΅ΡΠ°ΠΌΡΠ΄ΠΈ 4a-h Π· Π²ΠΈΡ
ΠΎΠ΄Π°ΠΌΠΈ 68-91%. ΠΠΈΠΏβΡΡΡΠ½Π½ΡΠΌ ΡΠΈΡ
Ρ
Π»ΠΎΡΠ°ΡΠ΅ΡΠ°ΠΌΡΠ΄ΡΠ² Π· Π΅ΠΊΠ²ΡΠΌΠΎΠ»ΡΡΠ½ΠΎΡ ΠΊΡΠ»ΡΠΊΡΡΡΡΒ 4-Π°ΠΌΡΠ½ΠΎ-5-ΠΌΠ΅ΡΠΈΠ»-4H-[1,2,4]ΡΡΠΈΠ°Π·ΠΎΠ»-3-ΡΡΠΎΠ»Ρ 5 ΠΏΡΠΎΡΡΠ³ΠΎΠΌ 4 Π³ΠΎΠ΄ΠΈΠ½ Ρ ΠΏΡΠΈΡΡΡΠ½ΠΎΡΡΡ ΡΡΠΈΠ΅ΡΠΈΠ»Π°ΠΌΡΠ½Ρ ΡΠΈΠ½ΡΠ΅Π·ΡΠ²Π°Π»ΠΈ ΡΠ΅ΡΡΡ Π½ΠΎΠ²ΠΈΡ
2-(4-Π°ΠΌΡΠ½ΠΎ-5-ΠΌΠ΅ΡΠΈΠ»-4H-[1,2,4]ΡΡΠΈΠ°Π·ΠΎΠ»-3-ΡΠ»ΡΡΠ»ΡΡΠ°Π½ΡΠ»)-N-(5-R-Π±Π΅Π½Π·ΠΈΠ»ΡΡΠ°Π·ΠΎΠ»-2-ΡΠ»)-Π°ΡΠ΅ΡΠ°ΠΌΡΠ΄ΡΠ²Β 6a-h, Π²ΠΈΡ
ΠΎΠ΄ΠΈ ΡΠΊΠΈΡ
ΡΠΊΠ»Π°Π΄Π°ΡΡΡ 71-86%. ΠΠΈΠ²ΡΠ΅Π½Π° ΠΏΡΠΎΡΠΈΡΠ°ΠΊΠΎΠ²Π° Π°ΠΊΡΠΈΠ²Π½ΡΡΡΡ ΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ
ΡΠΏΠΎΠ»ΡΠΊ. ΠΠΎΡΠ»ΡΠ΄ΠΆΡΠ²Π°Π»ΠΈΒ ΠΏΡΠΎΡΠΈΠΏΡΡ
Π»ΠΈΠ½Π½Ρ Π°ΠΊΡΠΈΠ²Π½ΡΡΡΡ ΡΠΎΠ΄ΠΎ 60 ΡΠ°ΠΊΠΎΠ²ΠΈΡ
Π»ΡΠ½ΡΠΉ Π² ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΡΡ 10 ΠΌΠΊΠ. ΠΡΠ½ΡΡ ΠΏΡΡ
Π»ΠΈΠ½Π½ΠΈΡ
ΠΊΠ»ΡΡΠΈΠ½ Π»ΡΠ΄ΠΈΠ½ΠΈΒ Π±ΡΠ»ΠΈ ΠΎΡΡΠΈΠΌΠ°Π½Ρ Π· Π΄Π΅Π²βΡΡΠΈ ΡΡΠ·Π½ΠΈΡ
ΡΠΈΠΏΡΠ² ΡΠ°ΠΊΡ: Π»Π΅ΠΉΠΊΠ΅ΠΌΡΡ, ΠΌΠ΅Π»Π°Π½ΠΎΠΌΠΈ, ΡΠ°ΠΊΡ Π»Π΅Π³Π΅Π½ΡΠ², ΡΠΎΠ²ΡΡΠΎΡ ΠΊΠΈΡΠΊΠΈ, Π¦ΠΠ‘, ΡΡΡΠ½ΠΈΠΊΡΠ², Π½ΠΈΡΠΎΠΊ, ΠΏΡΠΎΡΡΠ°ΡΠΈ, ΠΌΠΎΠ»ΠΎΡΠ½ΠΎΡ Π·Π°Π»ΠΎΠ·ΠΈ. ΠΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΠΎ ΡΠΏΠΎΠ»ΡΠΊΠΈ 6a-c, 6e,f (R = 2-Cl, 3-Cl, 4-Cl, 2,4-Cl2,Β 2,5-Cl2) Π½Π°ΠΉΠ°ΠΊΡΠΈΠ²Π½ΡΡΡ Π²ΡΠ΄Π½ΠΎΡΠ½ΠΎ Π»ΡΠ½ΡΠΉ ΠΌΠ΅Π»Π°Π½ΠΎΠΌΠΈ, Π° 2-(4-Π°ΠΌΡΠ½ΠΎ-5-ΠΌΠ΅ΡΠΈΠ»-4Π-[1,2,4]ΡΡΠΈΠ°Π·ΠΎΠ»-3-ΡΠ»ΡΡΠ»ΡΡΠ°Π½ΡΠ»)-N-[5-(2-Ρ
Π»ΠΎΡΠΎΠ±Π΅Π½Π·ΠΈΠ»)ΡΡΠ°Π·ΠΎΠ»-2-ΡΠ»]Π°ΡΠ΅ΡΠ°ΠΌΡΠ΄ (6Π°) Ρ 2-(4-Π°ΠΌΡΠ½ΠΎ-5-ΠΌΠ΅ΡΠΈΠ»-4Π-[1,2,4]ΡΡΠΈΠ°Π·ΠΎΠ»-3-ΡΠ»ΡΡΠ»ΡΡΠ°Π½ΡΠ»)-N-[5-(3,4-Π΄ΠΈΡ
Π»ΠΎΡΠΎΠ±Π΅Π½Π·ΠΈΠ»)ΡΡΠ°Π·ΠΎΠ»-2-ΡΠ»]Π°ΡΠ΅ΡΠ°ΠΌΡΠ΄ (6g) β Π²ΡΠ΄Π½ΠΎΡΠ½ΠΎ Π»ΡΠ½ΡΠΉ ΡΠ°ΠΊΡ ΠΌΠΎΠ»ΠΎΡΠ½ΠΎΡ Π·Π°Π»ΠΎΠ·ΠΈ
ΠΠ΅ΡΠ΅ΡΠΎΡΠΈΠΊΠ»ΡΠ·Π°ΡΡΡ Π½Π° ΠΎΡΠ½ΠΎΠ²Ρ Π΅ΡΠΈΠ» 1-Π°ΡΠΈΠ»-4-(Π±ΡΠΎΠΌΠ°ΡΠ΅ΡΠΈΠ»)-5-ΠΌΠ΅ΡΠΈΠ»-1Π½-ΠΏΡΡΠ°Π·ΠΎΠ»- 3-ΠΊΠ°ΡΠ±ΠΎΠΊΡΠΈΠ»Π°ΡΡΠ²
Ethyl 1-aryl-5-methyl-4-(2-R-1,3-thiazol-4-yl)-1H-pyrazole-3-carboxylates, ethyl 1-aryl-4-(imidazo[1,2-a]pyridin-2-yl)-5-methyl-1H-pyrazole-3-carboxylates, ethyl 1-aryl-4-(imidazo[2,1-b][1,3]thiazol-6-yl)-5-methyl-1H-pyrazole-3-carboxylates, ethyl 1-aryl-4-{3-aryl(hetaryl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-6-yl}-5-methyl-1H-pyrazole-3-carboxylate have been synthesized by heterocyclisations of ethyl 1-aryl-4-(bromoacetyl)-5-methyl-1H-pyrazole-3-carboxylates with thiobenzamide, 1-(6-methylpyridin-2-yl)thiourea or 1-carbamidoylthiourea, pyridin-2-amine, 1,3-thiazol-2-amine and 4-amino-5-aryl(hetaryl)-2,4-dihydro-3H-1,2,4-triazole-3-thiones, respectively.ΠΠ΅ΡΠ΅ΡΠΎΡΠΈΠΊΠ»ΠΈΠ·Π°ΡΠΈΡΠΌΠΈ ΡΡΠΈΠ» 1-Π°ΡΠΈΠ»-4-(Π±ΡΠΎΠΌΠ°ΡΠ΅ΡΠΈΠ»)-5-ΠΌΠ΅ΡΠΈΠ»-1Π-ΠΏΠΈΡΠ°Π·ΠΎΠ»-3-ΠΊΠ°ΡΠ±ΠΎΠΊΡΠΈΠ»Π°ΡΠΎΠ² Ρ ΡΠΈΠΎΠ±Π΅Π½Π·Π°ΠΌΠΈΠ΄ΠΎΠΌ, (6-ΠΌΠ΅ΡΠΈΠ»ΠΏΠΈΡΠΈΠ΄ΠΈΠ½-2-ΠΈΠ»)ΡΠΈΠΎΠΌΠΎΡΠ΅Π²ΠΈΠ½ΠΎΠΉ ΠΈΠ»ΠΈ Π³ΡΠ°Π½ΠΈΠ΄ΠΈΠ»ΡΠΈΠΎΠΌΠΎΡΠ΅Π²ΠΈΠ½ΠΎΠΉ), 2-Π°ΠΌΠΈΠ½ΠΎΠΏΠΈΡΠΈΠ΄ΠΈΠ½ΠΎΠΌ, 2-Π°ΠΌΠΈΠ½ΠΎΡΠΈΠ°Π·ΠΎΠ»ΠΎΠΌ ΠΈ 4-Π°ΠΌΠΈΠ½ΠΎ-5-Π°ΡΠΈΠ»(Π³Π΅ΡΠ°ΡΠΈΠ»)-2,4-Π΄ΠΈΠ³ΠΈΠ΄ΡΠΎ-3Π-1,2,4-ΡΡΠΈΠ°Π·ΠΎΠ»-3-ΡΠΈΠΎΠ½Π°ΠΌΠΈ ΠΏΠΎΠ»ΡΡΠ΅Π½Ρ ΡΡΠΈΠ» 1-Π°ΡΠΈΠ»-5-ΠΌΠ΅ΡΠΈΠ»-4-(2-R-1,3-ΡΠΈΠ°Π·ΠΎΠ»-4-ΠΈΠ»)-1H-ΠΏΠΈΡΠ°Π·ΠΎΠ»-3-ΠΊΠ°ΡΠ±ΠΎΠΊΡΠΈΠ»Π°ΡΡ, ΡΡΠΈΠ» 1-Π°ΡΠΈΠ»-4-(ΠΈΠΌΠΈΠ΄Π°Π·ΠΎΠ»ΠΎ[1,2-a]ΠΏΠΈΡΠΈΠ΄ΠΈΠ½-2-ΠΈΠ»)-5-ΠΌΠ΅ΡΠΈΠ»-1H-ΠΏΠΈΡΠ°Π·ΠΎΠ»-3-ΠΊΠ°ΡΠ±ΠΎΠΊΡΠΈΠ»Π°ΡΡ, ΡΡΠΈΠ» 1-Π°ΡΠΈΠ»-4-(ΠΈΠΌΠΈΠ΄Π°Π·ΠΎ[2,1-b][1,3]ΡΠΈΠ°Π·ΠΎΠ»-6-ΠΈΠ»)-5-ΠΌΠ΅ΡΠΈΠ»-1Π-ΠΏΠΈΡΠ°Π·ΠΎΠ»-3-ΠΊΠ°ΡΠ±ΠΎΠΊΡΠΈΠ»Π°ΡΡ ΠΈ ΡΡΠΈΠ» 1-Π°ΡΠΈΠ»-4-{3-Π°ΡΠΈΠ»(Π³Π΅ΡΠ°ΡΠΈΠ»)-7H-[1,2,4]ΡΡΠΈΠ°Π·ΠΎΠ»[3,4-b][1,3,4]ΡΠΈΠ°Π΄ΠΈΠ°Π·ΠΈΠ½-6-ΠΈΠ»)}-5-ΠΌΠ΅ΡΠΈΠ»-1H-ΠΏΠΈΡΠ°Π·ΠΎΠ»-3-ΠΊΠ°ΡΠ±ΠΎΠΊΡΠΈΠ»Π°ΡΡ ΡΠΎΠΎΡΠ²Π΅ΡΡΡΠ²Π΅Π½Π½ΠΎ.ΠΠ΅ΡΠ΅ΡΠΎΡΠΈΠΊΠ»ΡΠ·Π°ΡΡΡΠΌΠΈ Π΅ΡΠΈΠ» 1-Π°ΡΠΈΠ»-4-(Π±ΡΠΎΠΌΠ°ΡΠ΅ΡΠΈΠ»)-5-ΠΌΠ΅ΡΠΈΠ»-1Π-ΠΏΡΡΠ°Π·ΠΎΠ»-3-ΠΊΠ°ΡΠ±ΠΎΠΊΡΠΈΠ»Π°ΡΡΠ² Π· ΡΡΠΎΠ±Π΅Π½Π·Π°ΠΌΡΠ΄ΠΎΠΌ, (6-ΠΌΠ΅ΡΠΈΠ»ΠΏΡΡΠΈΠ΄ΠΈΠ½-2-ΡΠ»)ΡΡΠΎΡΠ΅ΡΠΎΠ²ΠΈΠ½ΠΎΡ Π°Π±ΠΎ Π³ΡΠ°Π½ΡΠ΄ΠΈΠ»ΡΡΠΎΡΠ΅ΡΠΎΠ²ΠΈΠ½ΠΎΡ, 2-Π°ΠΌΡΠ½ΠΎΠΏΡΡΠΈΠ΄ΠΈΠ½ΠΎΠΌ, 2-Π°ΠΌΡΠ½ΠΎΡΡΠ°Π·ΠΎΠ»ΠΎΠΌ ΡΠ° 4-Π°ΠΌΡΠ½ΠΎ-5-Π°ΡΠΈΠ»(Π³Π΅ΡΠ°ΡΠΈΠ»)-2,4-Π΄ΠΈΠ³ΡΠ΄ΡΠΎ-3Π-1,2,4-ΡΡΠΈΠ°Π·ΠΎΠ»-3-ΡΡΠΎΠ½Π°ΠΌΠΈ ΡΠΈΠ½ΡΠ΅Π·ΠΎΠ²Π°Π½ΠΎ Π΅ΡΠΈΠ» 1-Π°ΡΠΈΠ»-5-ΠΌΠ΅ΡΠΈΠ»-4-(2-R-1,3-ΡΡΠ°Π·ΠΎΠ»-4-ΡΠ»)-1H-ΠΏΡΡΠ°Π·ΠΎΠ»-3-ΠΊΠ°ΡΠ±ΠΎΠΊΡΠΈΠ»Π°ΡΠΈ, Π΅ΡΠΈΠ» 1-Π°ΡΠΈΠ»-4-(ΡΠΌΡΠ΄Π°Π·ΠΎ[1,2-a]ΠΏΡΡΠΈΠ΄ΠΈΠ½-2-ΡΠ»)-5-ΠΌΠ΅ΡΠΈΠ»-1H-ΠΏΡΡΠ°Π·ΠΎΠ»-3-ΠΊΠ°ΡΠ±ΠΎΠΊΡΠΈΠ»Π°ΡΠΈ, Π΅ΡΠΈΠ» 1-Π°ΡΠΈΠ»-4-(ΡΠΌΡΠ΄Π°Π·ΠΎ[2,1-b][1,3]ΡΡΠ°Π·ΠΎΠ»-6-ΡΠ»)-5-ΠΌΠ΅ΡΠΈΠ»-1Π-ΠΏΡΡΠ°Π·ΠΎΠ»-3-ΠΊΠ°ΡΠ±ΠΎΠΊΡΠΈΠ»Π°ΡΠΈ ΡΠ° Π΅ΡΠΈΠ» 1-Π°ΡΠΈΠ»-4-{3-Π°ΡΠΈΠ»(Π³Π΅ΡΠ°ΡΠΈΠ»)-7H-[1,2,4]ΡΡΠΈΠ°Π·ΠΎΠ»ΠΎ[3,4-b][1,3,4]ΡΡΠ°Π΄ΡΠ°Π·ΠΈΠ½-6-ΡΠ»)}-5-ΠΌΠ΅ΡΠΈΠ»-1H-ΠΏΡΡΠ°Π·ΠΎΠ»- 3-ΠΊΠ°ΡΠ±ΠΎΠΊΡΠΈΠ»Π°ΡΠΈ Π²ΡΠ΄ΠΏΠΎΠ²ΡΠ΄Π½ΠΎ
Apoptosis induction in human leukemia cells by novel 2-amino-5-benzylthiazole derivatives
Derivatives of 2-amino-5-benzylthiazole are heterocyclic pharmacophores that exhibit different pharmacological activities including anticancer action. The mechanisms of such action of these compounds are not clear. The aim of the present study was to investigate apoptosis induction, particularly DNA damage in human leukemia cells, by the novel synthesized thiazole derivatives β 2,8-dimethyl-7-(3-trifluoromethyl-benzyl)pyrazolo[4,3-e]thiazolo[3,2-a]pyrimidin-4(2H)-one (compound 1) and 7-benzyl-8-methyl-2-propylpyrazolo[4,3-e]thiazolo[3,2-a]pyrimidin-4(2H)-one (compound 2). Western-blot analysis, DNA comet assay in alkaline conditions, diphenylamine DNA fragmentation assay, agarose gel retardation, and methyl green DNA intercalation assays were used to study the effects of the studied compounds in human leukemia cells. These compounds induced PARP1 and caspase 3 cleavage in the leukemia cells, also increased the level of pro-apoptotic Bim protein and the mitochondrion-specific EndoG nuclease, and decreased the level of the anti-apoptotic Bcl-2 protein. They caused DNA single-strand breaks and DNA fragmentation in the leukemia cells without direct DNA binding or DNA intercalation. Thus, novel 2-amino-5-benzylthiazole derivatives may be promising agents for apoptosis induction in the targeted human leukemia cells
SYNTHESIS OF HETEROCYCLES ON THE BASIS OF ARYLATION PRODUCTS OF UNSATURATED COMPOUNDS. 11. 1
Utilization of Methyl 3-Aryl-2-thiocyanatopropanoates in the Synthesis of 2-(4-Morpholinyl)- and 2-(Piperazinyl)-5-(benzyl)thiazol-4-ones 1
Effects of new derivatives of 2-amino-5-benzylthiazole of genotoxicity and acute toxicity in Allium bioassays
We have found that new derivatives of 2-amino-5-benzylthiazole possess cytotoxic action towards human tumor cells (Finiuk et al., Biopolym. Cell, 2017; Finiuk et al., Ukr. Biochem. J., 2018). A release of the chemotherapeutic drugs into the environment may cause adverse effects towards ecosystems. To promote further these derivatives as potential anticancer agents, it was necessary to evaluate their genotoxicity and acute toxiΒcity, namely in plants that have an important trophic level in ecosystems. To do that, we used towards plant bioassays for new derivatives of N-(5-benzyl-1,3-thiazol-2-yl)-3,5-dimethyl-1-benzofuran-2-carboxamide (compound 1) and 2,8-dimethyl-7-(3-trifluoromethyl-benzyl)pyrazolo[4,3-e]thiazolo[3,2-a]pyrimidin-4-one (compound 2). Allium cepa ana-telophase assay was applied to monitor the genotoxicity of the studied compounds. Besides, the acute toxic effects such as inhibition of cell division, seed germination and growth of Allium roots were estimated. The compound 1 (10 mM) in concentration equal to the IC50 for tumor cells, and compound 2 in 1 mM (1Β΄ concentration, equal to the IC50 for tumor cells) and 10 mM (10Β΄ concentration) did not possess acute toxicity towards Allium cepa. A significant inhibition of root growth and seed germination effects were detected at using the compound 1 only in dose that is 10 times higher than the IC50 for tumor cells. The ana-telophase assay did not reveal the genotoxic effect of the compounds 1 (10 mM) and 2 (1 and 10 mM). The compounds 1 (10 mM) and 2 (1 and 10 mM) did not affect the mitotic and phase (prophase, metaphase, anaphase, telophase) indices. A commercial anticancer drug Doxorubicin (0.1 and 1 mM) possessed a significant inhibitory effect on root growth and seed germination, mitotic index and enhanced a level of chromosomal aberrations in Allium cepa. The compound 1 at 10 mM and compound 2 at 1 mM and 10 mM did not possess a significant acute toxicity (inhibition of cell division, seed germination and growth of Allium roots), did not demonstrated the genotoxic effects (induction of chromosomal aberrations) in Allium bioassay. These results give primary evidence about a possibility of using the synthetic 2-amino-5-benzylthiazole derivatives β compounds 1 and 2 β as novel antineoplastic agents that will have no negative side effects in the treated plant organism. Additional experiments should be performed in order to evaluate the adverse effects of new derivatives of 2-amino-5-benzylthiazole in a vide spectrum of the concentrations for the prediction of environmental toxicity and genotoxicity of chemicals
Evaluation of antiproliferative activity of pyrazolothiazolopyrimidine derivatives
The research aim was to test cytotoxic effects in vitro of seven novel pyrazolothiazolopyrimidine derivatives in targeting several lines of tumor and pseudo-normal mammalian cells. We demonstrated that cytotoxic effects of these derivatives depended on the tissue origin of targeted cells. Leukemia cells were found to be the most sensitive to the action of compounds 2 and 7. Compound 2 demonstrated approximately two times higher toxicity towards the multidrug-resistant sub-line of HL-60/ADR cells compared to the Doxorubicin effect. Antiproliferative action of compounds 2 and 7 dropped in the order: leukemia > melanoma > hepatocarcinoma > glioblastoma > colon carcinoma > breast and ovarian carcinoma cells. These compounds were less toxic than Doxorubicin towards the non-tumor cells. The novel pyrazolothiazolopyrimidine, compound 2, demonstrated high toxicity towards human leukemia and, of special importance, towards multidrug-resistant leukemia cells, and low toxicity towards pseudo-normal cells