The Stability of Iron(III) 5-Cyano Tropolone Chelate
نویسندگان
چکیده
منابع مشابه
5-(Phenyldiazenyl)tropolone
THE TITLE COMPOUND [SYSTEMATIC NAME: (E)-2-hy-droxy-5-(phenyl-diazen-yl)cyclo-hepta-2,4,6-trien-1-one], C(13)H(10)N(2)O(2), is essentially planar with an r.m.s. deviation of 0.036 (2) Å and a dihedral angle of 1.57 (8)° between the phenyl and tropolone rings. In the crystal, mol-ecules are linked by pairs of O-H⋯O hydrogen bonds into inversion dimers. The dimers are further connected by C-H⋯O h...
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In the title mol-ecule, C11H9NO4, the two acet-oxy groups are twisted from the plane of the benzene ring by 67.89 (4) and 53.30 (5)°. Both carbonyl groups are on the same side of the aromatic ring. In the crystal, weak C-H⋯O hydrogen bonds link mol-ecules into layers parallel to the ac plane. The crystal packing exhibits π-π inter-actions between the aromatic rings, indicated by a short inter-c...
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Tropolone (1). showed strong insecticidal activity on Tyrophagus putrescentiae and Dermatophagoides farinae. The insecticidal effect of 1 on both insects was stronger than that of hinokitiol (2, 4-isopropyltropolone: major component of Thujopsis dolabrata SIEB. et ZUCC. hondai MAKINO). The insecticidal activity of both compounds was higher than that of N,N-diethyl-m-toluamide (DEET), used as a ...
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All the published stability constants of cyanocomplexes of metal ions, and the acidic dissociation constants of hydrogen cyanide, and those of the protonated metal complexes are critically surveyed. Unfortunately, a great fraction of data is unreliable and only a few thermodynamic data could be classified to the category of recommended values. The reasons of this situation are thorougly treated...
متن کاملPhotophysics and stability of cyano-substituted boradiazaindacene dyes.
The solvatochromic photophysical properties of two fluorescent, cyano-substituted BODIPY dyes-8-(4-bromophenyl)-3,4,4,5-tetracyano-4-bora-3a,4a-diaza-s-indacene (4CN) and 8-(4-bromophenyl)-3,5-dicyano-4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (2CN)-have been studied in various solvents by UV-vis spectrophotometry and steady-state and time-resolved fluorometry. These two BODIPY analogues have c...
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ژورنال
عنوان ژورنال: Nippon kagaku zassi
سال: 1964
ISSN: 0369-5387,2185-0917
DOI: 10.1246/nikkashi1948.85.11_779