2003
DOI: 10.1016/s0040-4039(03)01380-7
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Metal-mediated allylation of mucohalic acids: facile formation of γ-allylic α,β-unsaturated γ-butyrolactones

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Cited by 42 publications
(21 citation statements)
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“…Removing the Cl or Br atom from the mucohalic acid system is critical for further utilization of these useful building blocks. Recently, we have successfully demonstrated a highly efficient method for the reduction 20. The dehalogenation of these α,β‐unsaturated γ‐butyrolactams was found to proceed with great ease.…”
Section: Resultsmentioning
confidence: 99%
“…Removing the Cl or Br atom from the mucohalic acid system is critical for further utilization of these useful building blocks. Recently, we have successfully demonstrated a highly efficient method for the reduction 20. The dehalogenation of these α,β‐unsaturated γ‐butyrolactams was found to proceed with great ease.…”
Section: Resultsmentioning
confidence: 99%
“…The indium-mediated Barbier-type allylation of mucohalic acids proceeded extremely well. 26 Typically, the reaction of a mixture of a mucohalic acid (10 mmol), an allylic bromide (12 mmol), indium (12 mmol), and 10% ammonium chloride in tetrahydrofuran-water or methanol-water (1:1, 30 mL) at 0 °C to room temperature for 16-24 hours afforded γ-allylic butenolides in moderate to excellent yield (Scheme 16).…”
Section: Indium-mediated Allylation In Watermentioning
confidence: 99%
“…A reação foi promovida por In ou Sn em excesso de 20% e NH 4 Cl catalítico (Tabela 1). 14 Os rendimentos da reação de alilação variaram entre 41 e 75% e com excelentes quimio-e regiosseletividade. No entanto, não é possível afirmar qual metal é o melhor promotor, pois a reação que não ocorreu na presença de estanho (entrada 3), não foi realizada com índio.…”
Section: Reações Do áCido Mucobrômico Com Nucleófilos De Carbonounclassified