title: The syntheses of amphiphilic antimony(V)-phthalocyanines and spectral investigation on their aggregation behaviors in aqueous and non-aqueous solutions.
abstract: Three amphiphilic antimony(V)-phthalocyanines have been synthesized by treating [Sb(R(4)Pc)(OH)(2)](+) salts in concentrated H(2)SO(4) and isolated as zwitter ions, [Sb(R(4)Pc)(SO(4)H)(SO(4))], where R(4)Pc denotes tetra-substituted phthalocyaninate; R(4)Pc=pc (R=H), tbpc (R=(t)Bu), and tObpc (R=O(n)Bu). Their solubility (R=tbpc>pc >>tObpc in H(2)O (much improved by the presence of surfactant or alcohol) while tbpc>tObpc >>pc in CH(2)Cl(2)) and aggregation behaviors are highly sensitive to the nature of the peripheral substituents. The pc and tbpc derivatives form well-behaved J-aggregates in aqueous media in the presence of surfactant or alcohol.
authors.affiliation: National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki, Japan. ISAGO.Hiroaki@nims.go.jp
authors.forename: Hiroaki
authors.initials: H
authors.lastname: Isago
authors.forename: Yutaka
authors.initials: Y
authors.lastname: Kagaya
authors.forename: Youichi
authors.initials: Y
authors.lastname: Oyama
authors.forename: Harumi
authors.initials: H
authors.lastname: Fujita
authors.forename: Tamotsu
authors.initials: T
authors.lastname: Sugimori
mesh_terms: D000096:Acetone / Q000737:chemistry; D000965:Antimony / Q000737:chemistry*; D056831:Coordination Complexes / Q000138:chemical synthesis* / Q000737:chemistry; D000431:Ethanol / Q000737:chemistry; D007211:Indoles / Q000737:chemistry*; D054833:Isoindoles; D000432:Methanol / Q000737:chemistry; D008958:Models, Molecular; D015394:Molecular Structure; D012995:Solubility; D012997:Solvents / Q000737:chemistry; D021241:Spectrometry, Mass, Electrospray Ionization; D013053:Spectrophotometry; D013501:Surface-Active Agents / Q000138:chemical synthesis* / Q000737:chemistry; D014867:Water / Q000737:chemistry
chemical_list: D056831:Coordination Complexes; D007211:Indoles; D054833:Isoindoles; D012997:Solvents; D013501:Surface-Active Agents; D014867:Water; D000096:Acetone; D000431:Ethanol; D000965:Antimony; C013647:phthalocyanine; D000432:Methanol