One-pot synthesis of thiazolo[3,2-a]pyrimidine derivatives, their cytotoxic evaluation and molecular docking studies
作者:Thuraka Sekhar、Pinnu Thriveni、Annavarapu Venkateswarlu、Thathapudi Daveedu、Kotha Peddanna、Sri Bhashyam Sainath
DOI:10.1016/j.saa.2020.118056
日期:2020.4
An economical, simple and efficient one-pot method has been developed for the synthesis of thiazolo[3,2-a]pyrimidine hydrobromide derivatives. 2,4-diaryl-6,7,8,9-tetrahydro-4H-benzo[4,5]thiazolo[3,2-a]pyrimidine hydrobromides were synthesized by the α-bromination of cyclohexanone with N-Bromosuccinamide (NBS) and followed by cyclization with 3,4-dihydropyrimidine-2(1H)-thiones, respectively, in the
已经开发了一种经济,简单和有效的一锅法来合成噻唑并[3,2-a]嘧啶氢溴酸盐衍生物。通过用N-溴代琥珀酰胺(NBS)对环己酮进行α-溴化反应合成了2,4-二芳基-6,7,8,9-四氢-4H-苯并[4,5]噻唑并[3,2-a]嘧啶氢溴酸盐然后在对甲苯磺酸(PTSA)在乙腈中的存在下分别用3,4-二氢嘧啶-2(1H)-硫酮环化。但是,当用己酮丙酮代替环己酮和α-四氢萘酮得到相应的1-(3-甲基-5,7-二芳基-5H-噻唑洛[3,2-a]嘧啶-2-基)乙-1-酮氢溴酸盐和9,11-二芳基-6,11-二氢-5H-萘并[1',2':4,5]噻唑并[3,2-a]嘧啶氢溴酸盐衍生物。这种方法的主要特点是新颖,简单,实验步骤便宜,反应时间短,收率好。评估了一些合成的化合物对人肺腺癌细胞系(A549),人乳腺癌细胞系(MCF-7),人宫颈癌细胞系(HeLa)和人神经元癌细胞系(SKNSH)的细胞毒活性。受试