1 Ocak 1991 Dergi makalesi Açık Erişim

MUSLUOGLU, E; AHSEN, V; GUL, A; BEKAROGLU, O

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    <subfield code="a">A straightforward and generalizable synthesis of metal-free and metal (Ni, Pb, Lu) derivatives of symmetrically tetrasubstituted phthalocyanines derived from 15,16-dibromo- or -dicyano-2,3,6,7,8,9,11,12-octahydro-5H-benzo[e][1,4,7,13]tetroxazacyclopentadecine (1) is described.  Quaternarization of the N-acetyl derivatives 7 in a chloroform/dimethyl sulfate mixture gives phthalocyanines 9 soluble in the pH range of 1 - 13.  The electronic spectra of the phthalocyanines in buffered solutions (pH 4, 7, and 10) are examined.  Furthermore, the electronic spectra of lutetium bis(phthalocyaninate) 9 d in water and in DMSO are compared for the first time.</subfield>
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