Journals / Fabad Eczacılık Bilimler Dergisi / 2026 / Cilt: 51 Sayı: 2

2-Sulfanylidene-2,3-dihydropyridopyrimidin-4(1H)-one Derivatives: Synthesis, Reactions and Biological Activities

2-Sülfaniliden-2,3-dihidropiridopirimidin-4(1H)-on Türevleri: Sentezi, Reaksiyonları ve Biyolojik Aktiviteleri

Ferhat Güneş(ATATÜRK ÜNİVERSİTESİ)0000-0001-6791-9538
Yasemin Dündar(GAZİ ÜNİVERSİTESİ)0000-0002-8250-7096
Pages
1059–1086
Publication Date
2026-08-31
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

In addition, the pharmacological effects of the 2-sulfanylidene-2,3-dihydropyridopyrimidin-4(1H)-one ring system, particularly its anticancer activities, are highlighted, underscoring the importance of this structural system in the field of medicinal chemistry.

📌 3 Key Takeaways

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Objective & Hypothesis:This review presents a comprehensive examination of the syntheses, structural modifications, and biological activities of the 2-sulfanilidene-2,3-dihydropyridopyrimidin-4(1H)-one ring systems.
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Key Findings & Data:The study is divided into four main sections covering compounds possessing the core structures of pyrido[2,3-d]-, pyrido[3,4-d]-, pyrido[4,3-d]-, and pyrido[3,2-d]pyrimidines.
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Conclusion & Impact:In addition, the pharmacological effects of the 2-sulfanylidene-2,3-dihydropyridopyrimidin-4(1H)-one ring system, particularly its anticancer activities, are highlighted, underscoring the importance of this structural system in the field of medicinal chemistry.
🔬Design:Review & Systematic Survey
📍Scope:Comprehensive Sample
⚙️Variables:pirido[2 · 3-d]pirimidin · pirido[3

Abstract

This review presents a comprehensive examination of the syntheses, structural modifications, and biological activities of the 2-sulfanilidene-2,3-dihydropyridopyrimidin-4(1H)-one ring systems. The study is divided into four main sections covering compounds possessing the core structures of pyrido[2,3-d]-, pyrido[3,4-d]-, pyrido[4,3-d]-, and pyrido[3,2-d]pyrimidines. Common synthetic strategies frequently used in the synthesis of these fused rings, such as reactions of aminopyridinecarboxylic acid derivatives with thiourea, ammonium thiocyanate, or isothiocyanates, are summarized, with a particular focus on structural modifications performed at the 2- and 3-positions of the rings. In the case of pyrido[3,2-d]pyrimidine derivatives, the reactions of the widely reported 6-amino-2-sulfanylpyrimidin-4(3H)-one compound with β-dicarbonyl compounds or α,β-unsaturated carbonyl derivatives are comprehensively discussed. In addition, the pharmacological effects of the 2-sulfanylidene-2,3-dihydropyridopyrimidin-4(1H)-one ring system, particularly its anticancer activities, are highlighted, underscoring the importance of this structural system in the field of medicinal chemistry.

Özet

Bu inceleme, 2-sülfaniliden-2,3-dihidropiridopirimidin-4(1H)-on halka sistemlerinin sentezlerini, yapısal modifikasyonlarını ve biyolojik aktivitelerini kapsamlı bir şekilde ele almaktadır. Çalışma, pirido[2,3-d]-, pirido[3,4-d]-, pirido[4,3-d]- ve pirido[3,2-d]pirimidin ana yapısına sahip bileşiklerin ele alındığı dört ana bölüme ayrılmıştır. Halkaların sentezinde aminopiridinkarboksilik asit türevlerinin tiyoüre, amonyum tiyosiyanat veya izotiyosiyanat ile reaksiyonları gibi yaygın olarak kullanılan sentetik stratejiler özetlenmiş; özellikle halkaların 2 ve 3 nolu konumlarından gerçekleştirilen yapısal modifikasyonlara odaklanılmıştır. Pirido[3,2-d]pirimidin türevi özelinde, literatürde geniş olarak yer bulan 6-amino-2-sülfanilpirimidin-4(3H)-on bileşiğinin, β-dikarbonil bileşikleri veya α,β-doymamış karbonil türevleri ile tepkimeleri kapsamlı bir biçimde değerlendirilmiştir. Bunun yanı sıra, 2-sülfaniliden-2,3-dihidropiridopirimidin-4(1H)-on halka sisteminin farmakolojik etkileri, özellikle antikanser aktivitelerine vurgu yapılarak, bu yapı sisteminin medisinal kimya alanındaki önemi ortaya konulmuştur.

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Cite This Article

Güneş, F., Öztürk, Ö. K., Dündar, Y. (2026). 2-Sulfanylidene-2,3-dihydropyridopyrimidin-4(1H)-one Derivatives: Synthesis, Reactions and Biological Activities. Fabad Eczacılık Bilimler Dergisi, Cilt: 51 Sayı: 2, 1059–1086. https://doi.org/10.55262/fabadeczacilik.1889330

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References (1)

  1. Abd-Elaziz, A. M., Aly, H. M., Saleh, N. M., Fouad, S. A., Ismail, A. A., & Fouda, A. (2022). Synthesis and characterization of the novel pyrimidine’s derivatives, as a promising tool for antimicrobial agent and in-vitro cytotoxicity. Journal of the Iranian Chemical Society, 19(6), 2279-2296. doi: 10.1007/s13738-021-02448-w.