Prototropism in (Pentamethylcyclopentadienyl)iridium Complexes with Pyrazole Ligands | Zendy

Carmona Daniel | Zendy; Oro Luis A. | Zendy; Lamata M. Pilar | Zendy; Elguero Josté | Zendy; del Carmen Apreda María | Zendy; FocesFoces Concepción | Zendy; Cano Félix H. | Zendy

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Prototropism in (Pentamethylcyclopentadienyl)iridium Complexes with Pyrazole Ligands

Author(s) -

Carmona Daniel,

Oro Luis A.,

Lamata M. Pilar,

Elguero Josté,

del Carmen Apreda María,

FocesFoces Concepción,

Cano Félix H.

Publication year - 1986

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.198611141

Subject(s) - pyrazole , iridium , intramolecular force , ring (chemistry) , chemistry , ligand (biochemistry) , stereochemistry , medicinal chemistry , organic chemistry , catalysis , receptor , biochemistry

The structural effect of methyl substituents in the pyrazole (pz) ligand of [(C 5 Me 5 )Ir(pz) 3 H] complexes is considerable. Whereas all three rings in 1 are equivalent and participate in intramolecular protropism, this is true for only two rings in 2 . This is revealed, for example, in the larger basicity of the third pyrazole ring in 2 .

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