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A New Synthesis of Allyl Sulfoxides via Nucleophilic Addition of Sulfinyl Carbanions to Group 6 Fischer Carbene Complexes

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journal contribution
posted on 31.03.2005, 00:00 by José Barluenga, Martín Fañanás-Mastral, Fernando Aznar
A novel synthesis of allyl sulfoxides has been developed. Primary α-lithiosulfinyl carbanions react with group 6 Fischer carbene complexes to give allyl sulfoxides as products. The Fischer carbene complex experiments involve a 1,2-addition of two molecules of sulfinyl carbanion to give an intermediate that, after a β-elimination, furnishes the mentioned product.