4.7 Article

A trinuclear chromium(iii) chlorocarbyne

Journal

CHEMICAL COMMUNICATIONS
Volume 57, Issue 42, Pages 5199-5202

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc01514a

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Funding

  1. MEXT, Japan [18H03911]
  2. Grants-in-Aid for Scientific Research [18H03911] Funding Source: KAKEN

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Reduction of CCl4 by CrCl2 in THF led to the formation of a trinuclear chromium(iii) carbyne. The chlorocarbyne complex reacted with aldehydes to yield chloroallylic alcohols and terminal alkynes. Mechanistic study suggested two competing pathways via an alpha-chlorovinyl intermediate.
Reduction of CCl4 by CrCl2 in THF afforded a trinuclear chromium(iii) carbyne [CrCl(thf)(2)](3)(mu(3)-CCl)(mu-Cl)(3). The chlorocarbyne complex reacted with aldehydes to afford chloroallylic alcohols and terminal alkynes. The mechanistic study proposed two competitive pathways via an alpha-chlorovinyl intermediate.

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