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Original Articles

REACTION OF HYDRAZONOYL HALIDES WITH 5-ARYLMETHYLENE-3-PHENYL-2-THIOXOTHIAZOLIDIN-4-ONE. SYNTHESIS OF 4,9-DITHIA-1,2,6-TRIAZASPIRO[4,4]NONAN-2-EN-7-ONE

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Pages 53-58 | Received 17 Oct 1995, Accepted 29 Nov 1995, Published online: 04 Oct 2006
 

Abstract

Nitrilimines 2 cycloadd to the C[dbnd]S double bond rather than the exocyclic C[dbnd]C double bond of 3-phenyl-5-arylmethylene-2-thioxothiazolidin-4-one 7 to give the corresponding spiro cycloadducts 8 in good yield.

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