Literature DB >> 15453804

Excited-state proton transfer reactions of 10-hydroxycamptothecin.

Kyril M Solntsev1, Erica N Sullivan, Laren M Tolbert, Shay Ashkenazi, Pavel Leiderman, Dan Huppert.   

Abstract

Time-resolved and steady-state emission characterization of 10-hydroxycamptothecin reveals a rich but less complex proton-transfer behavior than its parent hydroxyquinoline. The electronic effect of the additional electron-withdrawing ring makes the excited-state both less basic and more acidic than the parent and adds to the class of high-acidity excited-state proton donors in photochemistry and photobiology.

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Year:  2004        PMID: 15453804     DOI: 10.1021/ja047821e

Source DB:  PubMed          Journal:  J Am Chem Soc        ISSN: 0002-7863            Impact factor:   15.419


  7 in total

1.  Nanodrug Formed by Coassembly of Dual Anticancer Drugs to Inhibit Cancer Cell Drug Resistance.

Authors:  Yuanyuan Zhao; Fei Chen; Yuanming Pan; Zhipeng Li; Xiangdong Xue; Chukwunweike Ikechukwu Okeke; Yifeng Wang; Chan Li; Ling Peng; Paul C Wang; Xiaowei Ma; Xing-Jie Liang
Journal:  ACS Appl Mater Interfaces       Date:  2015-08-19       Impact factor: 9.229

2.  Potential oral delivery of 7-ethyl-10-hydroxy-camptothecin (SN-38) using poly(amidoamine) dendrimers.

Authors:  Rohit B Kolhatkar; Peter Swaan; Hamidreza Ghandehari
Journal:  Pharm Res       Date:  2008-04-26       Impact factor: 4.200

3.  An organic white light-emitting fluorophore.

Authors:  Youjun Yang; Mark Lowry; Corin M Schowalter; Sayo O Fakayode; Jorge O Escobedo; Xiangyang Xu; Huating Zhang; Timothy J Jensen; Frank R Fronczek; Isiah M Warner; Robert M Strongin
Journal:  J Am Chem Soc       Date:  2006-11-01       Impact factor: 15.419

4.  Excited state intramolecular proton transfer in o-tosylaminobenzaldehyde.

Authors:  Mikhail N Khimich; Leonid D Popov; Anatoly S Burlov; Boris M Uzhinov
Journal:  J Fluoresc       Date:  2012-06-08       Impact factor: 2.217

5.  Isoenergetic two-photon excitation enhances solvent-to-solute excited-state proton transfer.

Authors:  Jurick Lahiri; Mehdi Moemeni; Jessica Kline; Ilias Magoulas; Stephen H Yuwono; Maryann Laboe; Jun Shen; Babak Borhan; Piotr Piecuch; James E Jackson; G J Blanchard; Marcos Dantus
Journal:  J Chem Phys       Date:  2020-12-14       Impact factor: 3.488

6.  Elaboration and controlling excited state double proton transfer mechanism of 2,5-bis(benzoxazol-2-yl)thiophene-3,4-diol.

Authors:  Jinfeng Zhao; Yujun Zheng
Journal:  Sci Rep       Date:  2017-03-22       Impact factor: 4.379

7.  Effect of Ca²⁺ on the steady-state and time-resolved emission properties of the genetically encoded fluorescent sensor CatchER.

Authors:  You Zhuo; Kyril M Solntsev; Florence Reddish; Shen Tang; Jenny J Yang
Journal:  J Phys Chem B       Date:  2014-06-05       Impact factor: 2.991

  7 in total

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