Tetrahedron Letters p. 2637 - 2640 (1990)
Update date:2022-07-29
Topics:
Nativi
Ricci
Taddei
Silylcupration and stannylcupration of 4-acetoxy-2-azetidinones gave the corresponding silyl- and stannyl-β-lactams. The first results on the reactivity of these products with electrophiles are reported: 4-(tributylstannyl)- 2-azetidinone undergoes the palladium catalyzed coupling with electrophiles allowing an 'umpolung' acylation of the position 4 of the β-lactam ring.
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