Schwefelabbau mit Halbsandwich-Komplexen des Mangans und Rheniums

Herberhold, Max; Schmidkonz, Bertram

doi:10.1016/0022-328x(88)87086-4

Cited by 22 publications

(1 citation statement)

References 89 publications

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“…With regard to coordination chemistry, however, the reactivity of nucleophilic aziridines towards electrophilic transition metal centers differs strongly from those of oxiranes and thiiranes with a only few exceptions. [19][20][21] While the latter act as oxidizing agents towards organometallic complexes resulting in the formation of oxo-or thiocomplexes via ethene elimination, [22][23][24][25][26] aziridines usually remain intact and prefer metal coordination via the nitrogen atom. Therefore, only one example of two-fold breakage of C-N bonds, elimination of ethene and formation of an imido complex is known in the literature.…”

Section: Introductionmentioning

confidence: 99%

Synthesis, structural characterization, antimicrobial and cytotoxic effects of aziridine, 2-aminoethylaziridine and azirine complexes of copper(ii) and palladium(ii)

et al. 2012

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Section: Introductionmentioning

confidence: 99%

Synthesis, structural characterization, antimicrobial and cytotoxic effects of aziridine, 2-aminoethylaziridine and azirine complexes of copper(ii) and palladium(ii)

et al. 2012

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Aziridines as Complex Ligands: Coordination and Ring Opening

Lorenz¹,

Beckerath²,

Nöth³

1998

Eur. J. Inorg. Chem.

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New Approach to the Chemistry of Polysulfides Using Diphosphanylmethanide Complexes of Manganese(I)

Ruiz¹,

Ceroni²,

Quinzani³

et al. 2001

Chem. Eur. J.

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The study of the nucleophilic degradation of S8 by the methanide complex [Mn(CO)4[(PPh2)2CH]] (2) has led to the preparation of a unique class of polysulfide derivatives of formula [(CO)4Mn[(PPh2)2C-Sn-C(PPh2)2]-Mn(CO)4]. The structures of 3 (n = 6), 4 (n = 2), and 7 (n = 1) have been determined by X-ray crystallography, whereas those polysulfides with the sulfur chains S7, S5, S4, and S3 have been detected by spectroscopic methods. The polysulfides with n > 2 lose sulfur spontaneously, a process that can be accelerated by treatment with PPh3 or Na/Hg. Complexes 3, 4, and 7 were protonated at the two methanide carbon atoms to give the cationic dinuclear derivatives [(CO)4Mn[(PPh2)2C(H)-Sn-C(H)-(PPh2)2]Mn(CO)4]2+ (8, n=6; 9, n=2; 10, n = 1). The 1H NMR spectrum of 9 suggests the existence of intramolecular C-H...S interactions, in agreement with the X-ray structural determination of this complex. By treatment of 4 and 7 with one equivalent of HBF4 it is possible to selectively protonate just one methanide carbon atom, which allows the isolation of the mixed cationic derivatives R(CO)4Mn[(PPh2)2C(H)-Sn-C(PPh2)2]Mn(CO)4]+ (11, n = 2; 6, n = 1). Additionally, heterometallic complexes containing a bridging disulfide unit, of general formula [(CO)4Mn[(PPh2)2C(AuPPh3)S-SC-(AuPPh3)(PPh2)2]Mn(CO)4]2+ (12) and [(CO)4Mn[(PPh2)2C(H)S-SC(AuPPh3)-(PPh2)2]Mn(CO)4]+ (13), were prepared by reaction of 4 and 11, respectively, with [AuCl(PPh3)] in the presence of TlPF6.

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Schwefelabbau mit Halbsandwich-Komplexen des Mangans und Rheniums

Cited by 22 publications

References 89 publications

Synthesis, structural characterization, antimicrobial and cytotoxic effects of aziridine, 2-aminoethylaziridine and azirine complexes of copper(ii) and palladium(ii)

Synthesis, structural characterization, antimicrobial and cytotoxic effects of aziridine, 2-aminoethylaziridine and azirine complexes of copper(ii) and palladium(ii)

Aziridines as Complex Ligands: Coordination and Ring Opening

New Approach to the Chemistry of Polysulfides Using Diphosphanylmethanide Complexes of Manganese(I)

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