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2005
Addition reactions
Addition reactions
O 0060
Michael Addition of Ketone Enolates to α,β-Unsaturated Esters or Amides in a
Procedure: Highly Efficient Effect of Lithium Salt Generated in situ on
28- 033 One-Pot
Organotin Enolate. — Treatment of aliphatic ketones with sBuLi and Bu3SnBr generates highly coordinated tin enolates complexed with LiBr generated in situ. This species is efficiently trapped by activated olefins to afford Michael adducts in moderate
yields. — (YASUDA, M.; SHIGEYOSHI, Y.; SHIBATA, I.; BABA*, A.; Synthesis
2005, 2, 233-239; Dep. Mol. Chem., Fac. Eng., Osaka Univ., Suita, Osaka 565, Japan;
Eng.) — Mais
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