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2005
Reactions of organo-metal compounds
O 0350
Convenient Magnesiation of Aromatic and Heterocyclic Rings Bearing a
Group in Presence of LiCl. — The reaction of various iodophenols (I) with
13- 059 Hydroxy
MeMgCl in the presence of LiCl followed by the addition of iPrMgCl provides the corresponding magnesated magnesium phenolates as THF soluble reagents. These compounds can be subjected to the Grignard reaction, for example with aldehydes (II), or
- after transmetalation- to Cu- or Pd-catalyzed coupling reactions. This
approach can be extended to suitable substituted heterocyclic compounds, such as (IV).
— (KOPP, F.; KRASOVSKIY, A.; KNOCHEL*, P.; Chem. Commun. (Cambridge)
2004, 20, 2288-2289; Fachbereich Chem., Ludwig-Maximilians-Univ., D-81377
Muenchen, Germany; Eng.) — M. Paetzel
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