Ohkubo K - Search Results

1

Synthesis, photophysical, electrochemical, tumor-imaging, and phototherapeutic properties of purpurinimide-N-substituted cyanine dyes joined with variable lengths of linkers.

Williams MP, Ethirajan M, Ohkubo K, Chen P, Pera P, Morgan J, White WH 3rd, Shibata M, Fukuzumi S, Kadish KM, Pandey RK. Williams MP, et al. Among authors: ohkubo k. Bioconjug Chem. 2011 Nov 16;22(11):2283-95. doi: 10.1021/bc200345p. Epub 2011 Oct 21. Bioconjug Chem. 2011. PMID: 21985310 Free PMC article.

2

100 selective oxygenation of p-xylene to p-tolualdehyde via photoinduced electron transfer.

Ohkubo K, Fukuzumi S. Ohkubo K, et al. Org Lett. 2000 Nov 16;2(23):3647-50. doi: 10.1021/ol0065571. Org Lett. 2000. PMID: 11073666

3

Quantitative evaluation of Lewis acidity of metal ions derived from the g values of ESR spectra of superoxide: metal ion complexes in relation to the promoting effects in electron transfer reactions.

Fukuzumi S, Ohkubo K. Fukuzumi S, et al. Among authors: ohkubo k. Chemistry. 2000 Dec 15;6(24):4532-5. doi: 10.1002/1521-3765(20001215)6:24<4532::aid-chem4532>3.0.co;2-9. Chemistry. 2000. PMID: 11192086

4

Comparison between electron transfer and nucleophilic reactivities of ketene silyl acetals with cationic electrophiles.

Fukuzumi S, Ohkubo K, Otera J. Fukuzumi S, et al. Among authors: ohkubo k. J Org Chem. 2001 Feb 23;66(4):1450-4. doi: 10.1021/jo005733g. J Org Chem. 2001. PMID: 11312979

5

Photochemical and electrochemical properties of zinc chlorin-C60 dyad as compared to corresponding free-base chlorin-C60, free-base porphyrin-C60, and zinc porphyrin-C60 dyads.

Fukuzumi S, Ohkubo K, Imahori H, Shao J, Ou Z, Zheng G, Chen Y, Pandey RK, Fujitsuka M, Ito O, Kadish KM. Fukuzumi S, et al. Among authors: ohkubo k. J Am Chem Soc. 2001 Oct 31;123(43):10676-83. doi: 10.1021/ja015738a. J Am Chem Soc. 2001. PMID: 11673999

6

Evidence that gold(III) porphyrins are not electrochemically inert: facile generation of gold(II) 5,10,15,20-tetrakis(3,5-di-tert-butylphenyl)porphyrin.

Kadish KM, Wenbo E, Ou Z, Shao J, Sintic PJ, Ohkubo K, Fukuzumi S, Crossley MJ. Kadish KM, et al. Among authors: ohkubo k. Chem Commun (Camb). 2002 Feb 21;(4):356-7. doi: 10.1039/b109795d. Chem Commun (Camb). 2002. PMID: 12120072

7

Fluorescence maxima of 10-methylacridone-metal ion salt complexes: a convenient and quantitative measure of lewis acidity of metal ion salts.

Fukuzumi S, Ohkubo K. Fukuzumi S, et al. Among authors: ohkubo k. J Am Chem Soc. 2002 Sep 4;124(35):10270-1. doi: 10.1021/ja026613o. J Am Chem Soc. 2002. PMID: 12197716

8

Metal ion-catalyzed Diels-Alder and hydride transfer reactions. Catalysis of metal ions in the electron-transfer step.

Fukuzumi S, Ohkubo K, Okamoto T. Fukuzumi S, et al. Among authors: ohkubo k. J Am Chem Soc. 2002 Nov 27;124(47):14147-55. doi: 10.1021/ja026417h. J Am Chem Soc. 2002. PMID: 12440913

9

Driving force dependence of intermolecular electron-transfer reactions of fullerenes.

Fukuzumi S, Ohkubo K, Imahori H, Guldi DM. Fukuzumi S, et al. Among authors: ohkubo k. Chemistry. 2003 Apr 4;9(7):1585-93. doi: 10.1002/chem.200390182. Chemistry. 2003. PMID: 12658657

10

Quantitative evaluation of Lewis acidity of metal ions with different ligands and counterions in relation to the promoting effects of Lewis acids on electron transfer reduction of oxygen.

Ohkubo K, Menon SC, Orita A, Otera J, Fukuzumi S. Ohkubo K, et al. J Org Chem. 2003 Jun 13;68(12):4720-6. doi: 10.1021/jo034258u. J Org Chem. 2003. PMID: 12790575

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