Helvetica Chimica Acta p. 767 - 773 (1991)
Update date:2022-08-04
Topics:
Muller, Marc
Bur, Daniel
Tschamber, Theophile
Streith, Jacques
The ketene derivative of the chiral oxazolidone 1 underwent non-converted stereospecific <2 + 2> cycloadditions with the (Z)-imine moiety of diazepines 2, leading thereby with good diastereoselection to the trans-β-lactam adducts 3 (major) and 4 (minor).T
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