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Titolo:
Self-assembly of tetrametallic square [Re-4(CO)(12)Br-4(mu-pz)(4)] (pz = pyrazine) from [Re(CO)(4)Br(pz)]. A mechanistic approach
Autore:
Rajendran, T; Manimaran, B; Lee, FY; Chen, PJ; Lin, SC; Lee, GH; Peng, SM; Chen, YJ; Lu, KL;
Indirizzi:
Acad Sinica, Inst Chem, Taipei 115, Taiwan Acad Sinica Taipei Taiwan 115Acad Sinica, Inst Chem, Taipei 115, Taiwan Natl Taiwan Univ, Dept Chem, Taipei 107, Taiwan Natl Taiwan Univ Taipei Taiwan 107 n Univ, Dept Chem, Taipei 107, Taiwan
Titolo Testata:
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS
fascicolo: 22, , anno: 2001,
pagine: 3346 - 3351
SICI:
1472-7773(2001):22<3346:SOTS[(>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
ELECTROSPRAY MASS-SPECTROMETRY; LIGAND-EXCHANGE REACTIONS; MOLECULAR SQUARES; TRANSITION-METAL; HOST-GUEST; ORGANOMETALLIC CHEMISTRY; MACROCYCLIC SQUARES; DONOR LIGANDS; COMPLEXES; IONIZATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
68
Recensione:
Indirizzi per estratti:
Indirizzo: Chen, YJ Acad Sinica, Inst Chem, Taipei 115, Taiwan Acad Sinica Taipei Taiwan 115 ca, Inst Chem, Taipei 115, Taiwan
Citazione:
T. Rajendran et al., "Self-assembly of tetrametallic square [Re-4(CO)(12)Br-4(mu-pz)(4)] (pz = pyrazine) from [Re(CO)(4)Br(pz)]. A mechanistic approach", J CHEM S DA, (22), 2001, pp. 3346-3351

Abstract

Self-assembly of the tetranuclear square [Re-4(CO)(12)Br-4(mu -pz)(4)] (pz= pyrazine) from the monometallic complex [Re( CO) 4 Br( pz)] in acetone at room temperature has been investigated. The mechanistic pathway is examined and proved by both in-situ H-1 NMR and ES-MS studies. Both techniques are helpful to identify three species, Re-2(CO)(8)Br-2(mu -pz), Re(CO)(3)Br(pz)(2) and Re-2(CO)(7)Br-2(mu -pz)(pz), as intermediates. The other intermediates, Re-3(CO)(11)Br-3(mu -pz)(2), Re-3(CO)(10)Br-3(mu -pz)(2)(pz), Re-4(CO)(14)Br-4(mu -pz)(3) and Re-4(CO)(13) Br-4(mu -pz)(3)(pz), detected by electrospray mass spectral techniques also support the proposed mechanistic pathway.

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Documento generato il 21/09/20 alle ore 06:12:02