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2005
Organo-silicon compounds
S 0060
Application of Directed Orthometalation Toward the Synthesis of Aryl Siloxanes.
— Treatment of ortho-lithiated arenes with Si(O-Et)4 or Tf-O-Si(O-Et)3 offers a new
06- 160 approach
to ortho-substituted aryl siloxanes. However, some limitations are observed.
The siloxanes can be coupled successfully with aryl bromides to afford unsymmetrical
biaryls in good to high yields. — (SEGANISH, W. M.; DESHONG*, P.; J. Org.
Chem. 69 (2004) 20, 6790-6795; Dep. Chem. Biochem., Univ. Md., College Park,
MD 20742, USA; Eng.) — Jannicke
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