26 results on '"Hasegawa, Eietsu"'
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2. Aryl-substituted dimethylbenzimidazolines as effective reductants of photoinduced electron transfer reactions
3. A photo-reagent system of benzimidazoline and Ru(bpy)3Cl2 to promote hexenyl radical cyclization and Dowd–Beckwith ring-expansion of α-halomethyl-substituted benzocyclic 1-alkanones
4. 1,4-Elimination/Brønsted acid catalyzed aza-Ferrier reaction sequence as an entry to β-amino-β,γ-unsaturated aldehydes
5. A formal method for the de-N,N-dialkylation of Sommelet–Hauser rearrangement products
6. Tris(trimethylsilyl)silane promoted radical reaction and electron-transfer reaction in benzotrifluoride
7. Photoinduced electron-transfer systems consisting of electron-donating pyrenes or anthracenes and benzimidazolines for reductive transformation of carbonyl compounds
8. Reductive transformation of α,β-epoxy ketones and other compounds promoted through photoinduced electron transfer processes with 1,3-dimethyl-2-phenylbenzimidazoline (DMPBI)
9. Copper(II)–acid catalyzed cyclopropanation of 1,3-dienamides by electrophilic activation of α-aryl diazoesters
10. Carbon–carbon bond formation via benzoyl umpolung attained by photoinduced electron-transfer with benzimidazolines
11. 1,2-Dimethoxy-4,5-dimethylene: a new protecting group for acyclic amino acid derivatives prepared by Stevens rearrangement
12. Asymmetric α-2-tosylvinylation of in situ-generated N-2-tosylvinyl proline-derived ammonium ylides
13. Novel transformation of 2-substituted alkyl 1-indanone-2-acetates to 6-substituted 3,4-benzotropolones through sequential reduction and oxidation processes using Sm(II) and Ce(IV) salts
14. Samarium diiodide-promoted intramolecular ketone–ester coupling reaction: novel cyclization and ring expansion pathway
15. Reaction of ethyl 2-haloethyl-1-tetralone-2-carboxylate and samarium diiodide: first example of intramolecular O-alkylation of samarium ketyl radical by carbon–halogen bond
16. Photosensitized oxygenation reactions of 1,3-dithianes through cooperative single electron transfer pathway and singlet oxygen pathway
17. Deprotection of 1,3-dithianes by antimony pentachloride via single electron transfer processes
18. Pyrylium salt promoted substitution reactions of acetals with various silylated nucleophiles
19. Photoinduced electron transfer reactions of α,β-epoxy ketones with 2-phenyl-N,N-dimethylbenzimidazoline (PDMBI): Significant water effect on the reaction pathway
20. Reactions of 1-bromo-2,3-epoxypropane with samarium diiodide: First observation of carbon-carbon bond cleavage of oxiranylmethyl radical under the single electron transfer conditions
21. Aminium salt promoted catalytic substitution reactions of acetals with silylated nucleophiles
22. Pyrylium salt sensitized photochemical deprotections of dithioacetals and ketals
23. Photoinduced single electron transfer reactions of 1,3-dithianes and 1,3-dithiolanes sensitized by triphenylpyrylium salt in the presence of molecular oxygen
24. Free radical trapping of α-keto radicals derived from α,β-epoxy ketones via photoinduced single electron transfer process
25. First example of samarium diiodide-promoted sequential cyclization and ring-expansion reactions of α-bromomethyl cyclic β-keto esters to homologated γ-keto esters
26. Electron transfer induced stereoselective cyclization of 2,2-disubstituted dibenzoylmethane to anti-1,2-cyclopropanediol
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