Tetrahedron p. 1625 - 1634 (1993)
Update date:2022-08-03
Topics:
Vorbruggen
Woodward
β-Amino esters with an unsubstituted amino group such as 1 or 19 can be cyclized by two equivalents of alkylaluminum compounds such as triisobutylaluminum in yields of up to 61% to the corresponding β-lactams 2 or 20.
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