Photoinduced intrarotaxane electron transfer between zinc porphyrin and [60]fullerene in benzonitrile.
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Biomedical subjects
Yoshio Furusho
Publications and source records attributed to Yoshio Furusho.
Photochemical or thermal chelate exchange in the ruthenium coordination sphere of complexes of the Ru(phen)(2)L family (L = diimine or dinitrile ligands).
Complexes of the type Ru(phen)(2)L(2+), where L is a substituted bipyridine family member, have been prepared, and their photochemical substitution reactions have been investigated. In the presence of a bis-benzonitrile derivative, acting as a bidentate chelate, photoexpulsion of L is performed under the action of visible light, with quantitative formation of new complexes of the type Ru(phen)(2)L'(2+) (L' = bis-nitrile ligand). Several complexes have been characterized by X-ray crystallography. In particular, the bis-benzonitrile complexes could be crystallized, and the structure of these compounds, containing a 13-, 14-, or 15-membered metal incorporating ring, was obtained. By heating Ru(phen)(2)L'(2+) with a bipy derivative in refluxing ethylene glycol, quantitative formation of the starting complex [Ru(phen)(2)L(2+)] was carried out. The present series of compounds presents properties that could be profitably used in the design and construction of multicomponent systems acting as photochemically driven molecular machines.
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Synthesis and structure of poly(binaphthyl salen manganese complex) and its application to asymmetric epoxidation.
Poly(binaphthyl salen manganese complex)es 3-Mn were synthesized from a 3,3'-diformylbinaphthol derivative, alpha,omega-diamines, and Mn(OAc)2. Their helical structures were well-supported by their IR, UV, and CD spectra. The catalysis of 3-Mn in an asymmetric epoxidation was investigated.
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Synthesis of calix[4]arene and porphyrin tethering four chiral five-membered cyclic carbonates.
Calix[4]arene tethering four chiral five-membered cyclic carbonates 1c was synthesized by O-glycidylation of p-tert-butylcalix[4]arene 1a with (R)-glycidyl tosylate, followed by carbonation with carbon dioxide catalyzed by lithium bromide. Porphyrin tethering chiral five-membered cyclic carbonates 2c was similarly synthesized.
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