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2005
Azetidine derivatives
R 0045
Novel Carbonyl Bromoallylation/Heck Reaction Sequence. Stereocontrolled Acto Bicyclic β-Lactams. — The tin-promoted coupling of azetidine aldehydes with
34- 144 cess
the bromopropene (II) proceeds with high diastereoselectivity. Products bearing an additional alkene tether smoothly undergo intramolecular Heck reaction allowing formation of bicyclic β-lactams of unconventional structure. In most cases the ring closure
proceeds with high regioselectivity. — (ALCAIDE*, B.; ALMENDROS, P.;
RODRIGUEZ-ACEBES, R.; J. Org. Chem. 70 (2005) 7, 2713-2719; Dep. Quim.
Org., Fac. Quim., Univ. Complutense, E-28040 Madrid, Spain; Eng.) — Jannicke
2005
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