Synlett p. 491 - 492 (1997)
Update date:2022-07-29
Topics:
Alonso, Diego A.
Alonso, Emma
Nájera, Carmen
Yus, Miguel
Deprotonation of α-amido sulfones 7 with BunLi at -90°C followed by reaction with electrophiles leads, depending on the substitution on the amidic nitrogen to enamides 10 (secondary amides 7a,b) or functionalised α-amido sulfones 12 (tertiary amides 7c,d). Naphthalene-catalysed lithiation of tertiary α-amido sulfones 7c,d in the presence of electrophiles (Barbier conditions) at -78°C affords functionalised amides 13.
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(1997)
