Abstract

The synthesis of a new class of spiro[tetrahydronaphthalen-one/butenolide]pyrrolidines has been accomplished by the 1,3-dipolar cycloaddition of azomethine ylide generated by thermal ring opening of cis-3-benzoyl-1-cyclohexyl-2-phenylaziridine with ( E)-2-arylidene-1,2,3,4-tetrahydronaphthalen-1-ones and ( E)-3-arylidene-5-phenyl-Δ 4,5-butenolides. The structures of the products were confirmed by spectroscopic techniques as well as single crystal X-ray analysis of one of the products.

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