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ABSTRACT
A facile and fast preparation of oxetene has been reported by a microwave mediated [2+2]cycloaddition reaction of steroidal formyl enamides and alkynes in a solventless condition.
ACKNOWLEDGMENTS
We thank the Department of Science and Technology (DST), New Delhi for financial support of this work. One of us (ML) thanks University Grant Commission (UGC), New Delhi for award of a Teacher Fellowship.