Syntheses of chromium pentacarbonyl derivatives of arsenic(V) and antimony(V). Contrasting chemical reactivity with organic halogen derivatives

J. J. Cherng, Y. W. Lai, Y. H. Liu, S. M. Peng, C. H. Ueng, Minghuey Shieh

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Abstract

We have synthesized a new series of chromium-group 15 dihydride and hydride complexes [H2As{Cr(CO)5}2]- (1) and [HE{Cr(CO)5}3]2- (E = As, 2a; E = Sb, 2b), which represent the first examples of group 6 complexes containing E-H fragments. The contrasting chemical reactivity of 2a and 2b with organic halogen derivatives is demonstrated. The reaction of 2a with RBr (R = PhCH2, HC≡CCH2) produces the RX addition products [(R)(Br)As{Cr(CO)5}2]- (R = PhCH2, 3; R = C3H3, 4), while the treatment of 2b with RX (RX = PhCH2Br or HC≡CCH2Br, CH3(CH2)5C(O)CI) forms the halo-substituted complexes [XSb{Cr(CO)5}3]2- (X = Br, 5; X = Cl, 6). Moreover, the dihaloantimony complexes [XX′Sb{Cr(CO)5}2]- can be obtained from the reaction of 2b with the appropriate organic halides. In this study, a series of organoarsenic and antimony chromium carbonyl complexes have been synthesized and structurally characterized and the role of the main group on the formation of the resultant complexes is also discussed.

Original languageEnglish
Pages (from-to)1206-1212
Number of pages7
JournalInorganic Chemistry
Volume40
Issue number6
DOIs
Publication statusPublished - 2001 Mar 12

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Antimony
Chemical reactivity
Halogens
Arsenic
Chromium
Carbon Monoxide
antimony
arsenic
halogens
chromium
reactivity
Derivatives
synthesis
dihydrides
hydrides
halides
halos
fragments
Hydrides
products

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

Cite this

Syntheses of chromium pentacarbonyl derivatives of arsenic(V) and antimony(V). Contrasting chemical reactivity with organic halogen derivatives. / Cherng, J. J.; Lai, Y. W.; Liu, Y. H.; Peng, S. M.; Ueng, C. H.; Shieh, Minghuey.

In: Inorganic Chemistry, Vol. 40, No. 6, 12.03.2001, p. 1206-1212.

Research output: Contribution to journalArticle

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