Abstract

The reaction of isatin with secondary cyclic α-amino acid 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid gives rise to azomethine ylide which undergoes [3+2] cycloaddition with various dipolarophiles to afford inseparable stereoisomeric mixture of spiro oxazolidinone and fused pyrrolidinc derivatives. The newly synthesized compounds have been screened for their antimicrobial activities.

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