Visible light‐induced synthesis of functionalized coumarins

J Singh, A Sharma - Advanced Synthesis & Catalysis, 2021 - Wiley Online Library
Functionalized coumarins are privileged scaffolds which display diverse pharmacological
and physiological activities, and a myriad of applications in medical science and biomedical …

Prevalent bioimaging scaffolds: Synthesis, photophysical properties and applications

K Colas, S Doloczki, M Posada Urrutia… - European Journal of …, 2021 - Wiley Online Library
This minireview describes the syntheses, structure‐photophysical properties relationship,
and bioimaging applications of fluorescent coumarins, xanthenes, BODIPYs, and cyanines …

Silver-catalyzed monofluoromethylation of alkynoates with sodium monofluoroalkanesulfinate (CH2FSO2Na) to access 3-monofluoromethylated coumarins

W Fu, Y Sun, X Li - Synthetic Communications, 2020 - Taylor & Francis
A silver-catalyzed cascade radical monofluoromethylation/5-exo cyclization/ester migration
of alkynoates with sodium monofluoromethanesulfinate (CH2FSO2Na) to give a variety of 3 …

Synthesis of (Z)-Cinnamate Derivatives via Visible-Light-Driven E-to-Z Isomerization

P Shu, H Xu, L Zhang, J Li, H Liu, Y Luo, X Yang… - …, 2019 - thieme-connect.com
(Z)-Cinnamate derivatives are prevalent in natural bioactive products and in organic
synthesis. Herein, we report a practical approach toward the efficient synthesis of (Z) …

Visible-light photocatalysed synthesis of coumarin derivatives

A Kashyap, PP Singh, Y Murti, P Gahtori, S Mahajan… - Tetrahedron …, 2024 - Elsevier
A straightforward, environmentally friendly, and highly efficient, metal-free, visible light
mediated organophotocatalysed method has been devised for synthesizing potentially …

Visible light-induced selective sulfonylation-cyclization versus methylation-cyclization of aryl alkynoate esters to corresponding 3-substituted coumarins under metal …

P Natarajan - Journal of Photochemistry and Photobiology A …, 2024 - Elsevier
With a rise in the pollution and waste produced by chemical processes in industrial and
chemical laboratories, chemists are concentrating their efforts toward the use of green …

Visible‐Light Mediated Metal‐free Synthesis of 3‐Bromo Coumarins Using In situ Generated Transient Non‐Symmetric Bromoiodanes

Monika, K Ram Bajya, MK Gupta… - …, 2023 - Wiley Online Library
We report herein the in situ generated transient non‐symmetric bromoiodanes promoted
regioselective intramolecular halocyclization of alkynoates for the first time under visible light …

Visible‐Light‐Induced Tandem Cyclization of Alkynoates and Phenylacetylenes to Naphtho[2,1‐c]coumarins

Z Wang, L Wang, Z Wang, P Li - Asian Journal of Organic …, 2019 - Wiley Online Library
An efficient visible‐light‐induced tandem cyclization of alkynoates and phenylacetylenes to
naphtho [2, 1‐c] coumarins was developed. The reaction could be carried out at room …

Recent Progress in Monofluoromethylation

Y Liu, C Li, J Meng, D Song, B Liu… - Chinese Journal of Organic …, 2020 - sioc-journal.cn
Organic fluorides play an indispensable role in medicine, agricultural chemistry and other
fields, among them fluoromethyl functional groups have strong lipophilicity, which can …

单氟甲基化反应的研究进展

刘颖杰, 李晨, 孟建萍, 宋冬雪, 刘冰, 许颖 - 有机化学, 2020 - sioc-journal.cn
摘要有机氟化物在医药, 农业化学等领域发挥着不可缺少的作用, 其中, 氟甲基官能团具有较强的
的亲脂性, 可以极大地改善药物分子的药代动力学性质. 因此, 开发各类氟化反应具有重要的价值 …