medicinal chemistry
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2022 ◽  
Vol 230 ◽  
pp. 114107
Xin Deng ◽  
Qianqian Qiu ◽  
Baowei Yang ◽  
Xuekun Wang ◽  
Wenlong Huang ◽  

Bhupender Nehra ◽  
Bijo Mathew ◽  
Pooja A Chawla

Aim: To describe structure activity relationship of heterocyclic derivatives with multi-targeted anticancer activity. Objectives: With the following goals in mind, this review tries to describe significant recent advances in the medicinal chemistry of heterocycle-based compounds: (1) To shed light on recent literature focused on heterocyclic derivatives' anticancer potential; (2) To discuss recent advances in the medicinal chemistry of heterocyclic derivatives, as well as their biological implications for cancer eradication; (3) To summarise the comprehensive correlation of structure activity relationship (SAR) with pharmacological outcomes in cancer therapy. Background: Cancer remains one of the major serious health issues devastating the world today. Cancer is a complex disease in which improperly altered cells proliferate at an uncontrolled, rapid, and severe rate. Variables such as poor dietary habits, high stress, age, and smoking, can all contribute to the development of cancer. Cancer can affect almost any organ or tissue, although the brain, breast, liver, and colon are the most frequently affected organs. From several years, surgical operations and irradiation are in use along with chemotherapy as a primary treatment of cancer but still effective treatment of cancer remains a huge challenge. Chemotherapy is now one of the most effective strategies to eradicate cancer, although it has been shown to have a number of cytotoxic and unfavourable effects on normal cells. Despite all of these cancer treatments, there are several other targets for anticancer drugs. Cancer can be effectively eradicated by focusing on these targets, which include both cell-specific and receptor-specific targets such as tyrosine kinase receptors (TKIs). Heterocyclic scaffolds also have a variety of applications in drug development and are a common moiety in the pharmaceutical, agrochemical, and textile industries. Methods: The association between structural activity relationship data of many powerful compounds and their anticancer potential in vitro and in vivo has been studied. SAR of powerful heterocyclic compounds can also be generated using molecular docking simulations, as reported vastly in literature. Conclusions: Heterocycles have a wide range of applications, from natural compounds to synthesised derivatives with powerful anticancer properties. To avoid cytotoxicity or unfavourable effects on normal mammalian cells due to a lack of selectivity towards the target site, as well as to reduce the occurrence of drug resistance, safer anticancer lead compounds with higher potency and lower cytotoxicity are needed. This review emphasizes on design and development of heterocyclic lead compounds with promising anticancer potential.

Synlett ◽  
2022 ◽  
Jing Jiao ◽  
Pengyang Wang ◽  
Fangtao Xiao ◽  
Zhipeng Zhang

Quinolines especially 2-aminoquinolines are highly important heterocycles in medicinal chemistry. 2-Aminoquinolines can be synthesized via stepwise construction of quinoline ring followed by additional amination, however the protocol is cumbersome. Herein, we describe a [5+1] cyclization of 2-vinylanilines with tetraalkylthiuram disulfide in the presence of iodine and copper(II) triflate. This reaction directly employs readily available and low-cost thiuram as both C1 synthon and nitrogen source, providing a facile approach for one-step synthesis of a variety of 2-aminoquinolines in good to excellent yields.

2022 ◽  
Vol 15 (1) ◽  
pp. 66
Jyothi Dhuguru ◽  
Eugene Zviagin ◽  
Rachid Skouta

Despite the scientific advancements, organophosphate (OP) poisoning continues to be a major threat to humans, accounting for nearly one million poisoning cases every year leading to at least 20,000 deaths worldwide. Oximes represent the most important class in medicinal chemistry, renowned for their widespread applications as OP antidotes, drugs and intermediates for the synthesis of several pharmacological derivatives. Common oxime based reactivators or nerve antidotes include pralidoxime, obidoxime, HI-6, trimedoxime and methoxime, among which pralidoxime is the only FDA-approved drug. Cephalosporins are β-lactam based antibiotics and serve as widely acclaimed tools in fighting bacterial infections. Oxime based cephalosporins have emerged as an important class of drugs with improved efficacy and a broad spectrum of anti-microbial activity against Gram-positive and Gram-negative pathogens. Among the several oxime based derivatives, cefuroxime, ceftizoxime, cefpodoxime and cefmenoxime are the FDA approved oxime-based antibiotics. Given the pharmacological significance of oximes, in the present paper, we put together all the FDA-approved oximes and discuss their mechanism of action, pharmacokinetics and synthesis.

Mengyu Qiu ◽  
Xuegang Fu ◽  
Peng Fu ◽  
Jianhui Huang

N-heterocycles can be found in natural products and drug molecules, which are indispensable components in the area of organic synthesis, medicinal chemistry and material science. The construction of these N-containing...

Yu Chen ◽  
Fukuan Du ◽  
Liyao Tang ◽  
Jinrun Xu ◽  
Yueshui Zhao ◽  

2022 ◽  
A. K. Sinha ◽  
R. Singh

AbstractThe clickable addition reaction between thiols and unsaturated compounds leading to the generation of (branched/linear) thioethers or (branched/linear) vinyl sulfides is known as the hydrothiolation reaction. Based upon the nature of unsaturation, i.e. double bond or triple bond, hydrothiolation reactions are classified as thiol–ene and thiol–yne click reactions, respectively. These reactions have emerged as a powerful and widely used strategy for the generation of carbon–sulfur bonds due to several associated benefits including versatile synthetic procedures, wide functional-group tolerance, high atom economy with few to no byproducts, and simple purification. The hydrothiolation reactions have numerous trapping applications in the fields of polymer chemistry, nanoengineering, pharmaceuticals, natural products, and perhaps most importantly in medicinal chemistry for the synthesis of many drugs and bioactive molecules.

2022 ◽  
Thi Phuong Anh Tran ◽  
Sylvain Poulet ◽  
Mélanie Pernak ◽  
Anita Rayar ◽  
Stephane Azoulay ◽  

The discovery of new original scaffolds for selective RNA targeting is one of the main challenges of current medicinal chemistry since therapeutically relevant RNAs represent potential targets for a number...

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