Ligand-coupling assembly of Re(I)-thiolate complexes

By taking advantage of solvothermal reactions of Re2(CO)10 with 2-mercaptobenzothiazol (HNS2) or 2-mercaptobenzoxazol (HNOS), a series of Re(I) complexes (1-4) with in situ ligands were synthesized and structurally characterized by X-ray diffraction. In this study, we examined the effects of reactio...

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Published inDalton transactions : an international journal of inorganic chemistry Vol. 43; no. 30; pp. 11510 - 11515
Main Authors Tzeng, Biing-Chiau, Chao, An, Banik, Manas
Format Journal Article
LanguageEnglish
Published England 14.08.2014
Subjects
Assembly
Benzene
Diffraction
Formations
Ligands
Mesitylene
Solvents
X-rays
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Summary:By taking advantage of solvothermal reactions of Re2(CO)10 with 2-mercaptobenzothiazol (HNS2) or 2-mercaptobenzoxazol (HNOS), a series of Re(I) complexes (1-4) with in situ ligands were synthesized and structurally characterized by X-ray diffraction. In this study, we examined the effects of reaction conditions (i.e., reaction solvents and temperatures) on the HNS2 system to give complexes 1-3, and also compared the reaction products of the HNS2 (2) and HNOS (4) systems under similar reaction conditions. For the HNS2 system, the reaction temperatures at 140 and 120 °C in mesitylene led to different ligands in complexes 1 and 2, respectively. However, at the same temperature of 140 °C, different solvents (mesitylene or benzene) caused the formation of complexes 1 and 3 containing different ligands, respectively. Although the same temperature and solvent were used, HNS2 and HNOS underwent a similar in situ ligand reaction in dinuclear complexes 2 and 4, which surprisingly show both anti and syn conformations, respectively.
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ISSN:1477-9226
1477-9234
DOI:10.1039/c4dt00791c