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Synthesis, reaction and enantiomeric resolution of chiral clusters containing SRuNiM (M=Mo, W) core by Zhi-Guo Bian; Wei-Qiang Zhang; Hong-Xia Guan; Yuan-Qi Yin; Qing-Shan Li; Jie Sun is a Chemistry article available to read on EtoBox.

What is Synthesis, reaction and enantiomeric resolution of chiral clusters containing SRuNiM (M=Mo, W) core about?

The treatment of [(h 5 -C 5 H 4 R)CoRuM(CO) 8 (m 3 -S)] with NiCp 2 in THF at refluxing temperature gives six novel clusters containing functionally substituted cyclopentadienyl ligand . The reactions of clusters (1 Á/6) with 2,4-dinitrophenylhydrazine were investigated. The ester group was difficult to hydrolyze (clusters 3 Á/6). Hydrazide can easily condense with the ketonic carbonyl (cluster 1 and 2) on the cyclopentadienyl ring to form complexes [(h 5 -C 5 H 5 )(h 5 -C 5 H 4 C(NR)CH 3 )NiRuM(CO) 5 (m 3 -S)] (7, M0/Mo, R0/NH-C 6 H 3 -2,4-(NO 2 ) 2 ; 8, M0/W, R 0/NH Ã/C 6 H 3 -2,4-(NO 2 ) 2 ). The structures of 1, 2 and 7 have been established by the single crystal X-ray diffraction method and the enantiomers of chiral complexes 1, 3 and 5 were successfully separated by liquid chromatography.

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Author

Zhi-Guo Bian; Wei-Qiang Zhang; Hong-Xia Guan; Yuan-Qi Yin; Qing-Shan Li; Jie Sun

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-328X)

Published

2002

Language

EN

Field

Chemistry (Physical Sciences)