Synthesis of α-Methoxy-α,β-unsaturated Esters by Iodine-oxidation of the Anions of Fischer-type Carbene Complexes
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α-Methoxy vinyl tungsten species, generated by the deprotonation reaction of Fischer-type carbene complexes or by the Michael addition of lithium enolates to α,β-unsaturated carbene complexes, were found to give α-methoxy-α,β-unsaturated esters in good yields by iodine-oxidation in the presence of silver triflate.
- Chemistry Letters
Chemistry Letters 1998(11), 1149-1150, 1998-11-05
The Chemical Society of Japan