Click-on fluorescent triazolyl coumarin peptidomimetics as inhibitors of human breast cancer cell line MCF-7
作者:P. Thasnim、D. Bahulayan
DOI:10.1039/c7nj02712e
日期:——
A fluorogenic click reaction which enables the formation of fluorescent and bioactive triazolylcoumarinsviaa photoinduced electron transfer process is described.
描述了一种荧光点击反应,通过光诱导电子转移过程实现了荧光和生物活性的三唑基香豆素的形成。
KPF<sub>6</sub>-Mediated Esterification and Amidation of Carboxylic Acids
作者:Sonam、Vikki N. Shinde、Anil Kumar
DOI:10.1021/acs.joc.1c02611
日期:2022.3.4
been developed for the synthesis of esters and amides. A wide range of carboxylicacids and alcohols or amines worked well under the developed reaction conditions, thus providing good to excellent (61–98%) yields of the corresponding esters and amides. The method worked well with bioactive substrates such as cholesterol, levulinic acid, and linoleic acid. Wide substrate scope, operational simplicity
Stereoselective synthesis of bio-hybrid amphiphiles of coumarin derivatives by Ugi–Mannich triazole randomization using copper catalyzed alkyne azide click chemistry
作者:P. Pramitha、D. Bahulayan
DOI:10.1016/j.bmcl.2012.01.111
日期:2012.4
An efficient synthesis of ester-triazole-amide amphiphiles of coumarin derivatives by triazole randomization based on click approach is described. Twenty-five small peptide azides were synthesized using Ugi or alternate Mannich-type multi-component reactions. The new azides were then used for the triazole randomization of alkyne functionalized coumarin ester under CuAAC conditions. Sixty-five new peptide bio-hybrids are obtained in near quantitative yield with high regio and stereoselectivity. (C) 2012 Elsevier Ltd. All rights reserved.
Step-economic and cost effective synthesis of coumarin based blue emitting fluorescent dyes
作者:T.V. Soumya、P. Thasnim、D. Bahulayan
DOI:10.1016/j.tetlet.2014.06.071
日期:2014.8
Cost effective and green protocols for the synthesis of two new series of coumarin based blue light emitting fluorophores named as 'Beta Fluors' and 'Alpha Fluors' are described. The coumarin alkylamide based Beta Fluors are developed using a one-step multi-component process in the presence of phenyl boronic acid as an efficient green catalyst. The Alpha Fluors are structured with coumarin-triazole-carboxamide peptidomimetics and their synthesis involves the 'click with MCR' concept. The new fluorophores gave high Stoke's shift values for the emission wavelengths and their structural features are promising for further fine tuning to obtain preferred emission maxima. (C) 2014 Elsevier Ltd. All rights reserved.
KRAUS G. A.; PEZZAMITE J. O.; SUGIMOTO H., TETRAHEDRON LETT., 1979, NO 10, 853-856