Synthetic Communications p. 2239 - 2246 (2017)
Update date:2022-08-10
Topics:
Berry, Shiwani
Bari, Shamsher S.
Banik, Bimal K.
Bhalla, Aman
Stereoselective synthesis of novel monocyclic trans-3-halogenated-4-pyrazolyl-β-lactams 5 is described. The reaction of ketene derived from α-bromo/chloroethanoic acids 4 using POCl3 and Et3N with pyrazolyl substituted imines 3a–d in
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