The strain-induced chirality of cyclophanes has attracted interest within the synthetic community. Herein, we report the synthesis of anilinocyclophanes derived from naturally occurring terpenes, such as citronellol, geraniol, and farnesol. The resulting cyclic oligoprenyl molecules exhibit considerable ring strain (up to 31 kcal/mol), as evident from their bent aniline planes, and possess chirality across the planes of an aryl ring and double bonds. Unexpected outcomes, such as the formation of isomerized neraniline, highlight the influence of ring strain on the stability and reactivity of terpenoid -cyclophanes.
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http://dx.doi.org/10.1021/jacs.4c06308 | DOI Listing |
Eur J Med Chem
December 2024
School of Pharmacy and Food Engineering, Wuyi University, 529020, Jiangmen, China; Department of Chemistry, University of Liverpool, L69 7ZD, Liverpool, UK. Electronic address:
Aryl quinolone derivatives can target the cytochrome bc complex of Plasmodium falciparum, exhibiting excellent in vitro and in vivo antimalarial activity. However, their clinical development has been hindered due to their poor aqueous solubility profiles. In this study, a series of bioisosteres containing saturated heterocycles fused to a 4-pyridone ring were designed to replace the inherently poorly soluble quinolone core in antimalarial quinolones with the aim to reduce π-π stacking interactions in the crystal packing solid state, and a synthetic route was developed to prepare these alternative core derivatives.
View Article and Find Full Text PDFJ Agric Food Chem
January 2025
State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.
Gossypol removal is crucial for the resourceful utilization of cottonseed meals in the food and feed industries. Herein, we investigated the comprehensive detoxification mechanism of a gossypol-tolerant strain of (WK331) newly isolated from the rumen. Biodegradation assays showed that WK331 removes over 80% of free gossypol, of which 50% was biodegraded and 30% was converted into bound gossypol.
View Article and Find Full Text PDFSci Rep
December 2024
Key Laboratory of Transportation Tunnel Engineering, School of Civil Engineering, Ministry of Education, Southwest Jiaotong University, Chengdu, 610031, China.
Nat Commun
December 2024
School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China.
The strain-release-driven reactions of bicyclo[1.1.0]butanes (BCBs) have received significant attention from chemists.
View Article and Find Full Text PDFFuture Med Chem
December 2024
Chemistry Department, Faculty of science(Girls), Al-Azhar University, Nasr City, Cairo, Egypt.
Aim: Emerging resistance among pathogens necessitates the development of novel antimicrobial agents. As a result, we aimed to synthesize new coumarins and study their antimicrobial activity with the hope of obtaining effective drugs.
Method: A series of coumarins were synthesized, characterized, and assessed for antimicrobial activity using broth microdilution and agar diffusion methods against Gram-positive (), Gram-negative () bacteria, and fungi ().
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