Design, Synthesis and Antiproliferative Activities Evaluation of Thiazolopyrimidines Derivatives through Biginelli Reaction

Title:Design, Synthesis and Antiproliferative Activities Evaluation of Thiazolopyrimidines Derivatives through Biginelli Reaction

Volume: 14 Issue: 12

Author(s): Pengju Zhu, Huansheng Fu and Hao Fang*

Affiliation:

• Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmacy, Shandong University, 44 West Wenhua Rd, Ji'nan 250012,China

Keywords: Thiazolopyrimidines, Biginelli reaction, antitumor, biological activity, K562, antiproliferative.

Abstract: Background: Thiazolopyrimidines possessed their structural diversity and various biological activity. Up to date, thiazolopyrimidines derivatives have widespread applications in pharmaceutical fields. In this article, a series of thiazolopyrimidine derivatives were designed based on the lead compound structure in our previous studies.

Methods: All the target compounds were synthesized with the coupling reaction, Biginelli reaction and “one-pot” aldol condensation. Their structures were identified by 1H NMR, 13C NMR spectra and HRMS. Antitumor activities of the target compounds were evaluated by MTT.

Results: 25 new target compounds were synthesized and they primarily screened through testing their inhibitory rates against two human tumor cell lines and Compounds 15, 17, 20, 22, 40 exhibited more than 70% inhibitory rate against both MDA-MB-231 and K562. Further assessing their IC50 against five tumor cell lines, 15 and 22 show advantage over lead compound I in MDAMB- 231, K562 and PC-3.

Conclusion: A series of thiazolopyrimidine derivatives were synthesized and the preliminary biological evaluation suggest that target compound 22 exhibited better antiproliferative activity against K562 than gossypol.

Cite this article as:

Zhu Pengju, Fu Huansheng and Fang Hao*, Design, Synthesis and Antiproliferative Activities Evaluation of Thiazolopyrimidines Derivatives through Biginelli Reaction, Letters in Drug Design & Discovery 2017; 14 (12) . https://dx.doi.org/10.2174/1570180814666170512123132