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Aqueous-phase synthesis of di-(η<sup>5</sup>-cyclopentadienyl)salicylato-anddi-(η<sup>5</sup>-cyclopentadienyl)phthalatotitanium(IV) complexes

Aqueous-phase synthesis of di-(η5-cyclopentadienyl)salicylato-anddi-(η5-cyclopentadienyl)phthalatotitanium(IV) complexes

Publikationstyp: Zeitschriftenartikel
URI (zitierfähiger Link): http://nbn-resolving.de/urn:nbn:de:bsz:352-239838
Autor/innen: Meirim, Maria G.; Neuse, Eberhard W.; Rhemtula, Mariam; Schmitt, Siegfried; Brintzinger, Hans-Herbert
Erscheinungsjahr: 1988
Erschienen in: Transition Metal Chemistry ; 13 (1988), 4. - S. 272-276. - ISSN 0340-4285. - eISSN 1572-901X
DOI (zitierfähiger Link): https://dx.doi.org/10.1007/BF01025672
Zusammenfassung:
Di-(η5-cyclopentadienyl)dichlorotitanium(IV) reacts with salicylic acid or some of its ring-substituted derivatives in aqueous medium in the presence of alkali carbonate, giving (substituted) di-(η5-cyclopentadienyl)-salicylatotitanium(IV) complexes(3). Analogously, although less efficaciously, the dichlorotitanium compound reacts with phthalic acid to give the phthalato complex(5), and with dipicolinic acid to yield the pyridinedicarboxylato compound(7). Meticulous control of the experimental conditions is necessary to minimize hydrolytic side reactions. The product complexes(3) and(5) can be recrystallized from chloroform, in which they dissolve completely when freshly prepared; prolonged storage at ambient temperature causes reductions in solubility. I.r. and n.m.r. spectroscopic features of the product complexes are presented.
Fachgebiet (DDC): 540 Chemie
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MEIRIM, Maria G., Eberhard W. NEUSE, Mariam RHEMTULA, Siegfried SCHMITT, Hans-Herbert BRINTZINGER, 1988. Aqueous-phase synthesis of di-(η5-cyclopentadienyl)salicylato-anddi-(η5-cyclopentadienyl)phthalatotitanium(IV) complexes. In: Transition Metal Chemistry. 13(4), pp. 272-276. ISSN 0340-4285. eISSN 1572-901X. Available under: doi: 10.1007/BF01025672

@article{Meirim1988Aqueo-23983, title={Aqueous-phase synthesis of di-(η5-cyclopentadienyl)salicylato-anddi-(η5-cyclopentadienyl)phthalatotitanium(IV) complexes}, year={1988}, doi={10.1007/BF01025672}, number={4}, volume={13}, issn={0340-4285}, journal={Transition Metal Chemistry}, pages={272--276}, author={Meirim, Maria G. and Neuse, Eberhard W. and Rhemtula, Mariam and Schmitt, Siegfried and Brintzinger, Hans-Herbert} }

Schmitt, Siegfried Meirim, Maria G. 1988 Brintzinger, Hans-Herbert 2013-08-13T08:15:47Z 2013-08-13T08:15:47Z Rhemtula, Mariam Neuse, Eberhard W. Schmitt, Siegfried Neuse, Eberhard W. Meirim, Maria G. eng Aqueous-phase synthesis of di-(η<sup>5</sup>-cyclopentadienyl)salicylato-anddi-(η<sup>5</sup>-cyclopentadienyl)phthalatotitanium(IV) complexes terms-of-use Di-(η<sup>5</sup>-cyclopentadienyl)dichlorotitanium(IV) reacts with salicylic acid or some of its ring-substituted derivatives in aqueous medium in the presence of alkali carbonate, giving (substituted) di-(η<sup>5</sup>-cyclopentadienyl)-salicylatotitanium(IV) complexes(3). Analogously, although less efficaciously, the dichlorotitanium compound reacts with phthalic acid to give the phthalato complex(5), and with dipicolinic acid to yield the pyridinedicarboxylato compound(7). Meticulous control of the experimental conditions is necessary to minimize hydrolytic side reactions. The product complexes(3) and(5) can be recrystallized from chloroform, in which they dissolve completely when freshly prepared; prolonged storage at ambient temperature causes reductions in solubility. I.r. and n.m.r. spectroscopic features of the product complexes are presented. Rhemtula, Mariam Brintzinger, Hans-Herbert Transition Metal Chemistry ; 13 (1988), 4. - S. 272-276

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