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Synlett 2000; 2000(10): 1464-1466
DOI: 10.1055/s-2000-7626
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1,2-Diaza-1,3-butadienes as Powerful Tools in the Synthesis of New 1,6-Dithia-4,9-diazaspiro[4.4]non-2-enes and 1-Oxa-6-thia-4,9-diazaspiro[4.4]non-7-enes

Antonio Arcadi* , Orazio A. Attanasi, Barbara Guidi, Elisabetta Rossi, Stefania Santeusanio
  • *Dipartimento di Chimica, Ingegneria Chimica e Materiali della Facoltà di Scienze, Università de L'Aquila, Via Vetoio, Coppito Due, 67100 L'Aquila, Italy; Fax + 39-0722-2907; E-mail: attanasi@fis.uniurb.it
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Publication Date:
31 December 2000 (online)

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1,2-Diaza-1,3-butadienes react with 2-mercapto-2-thiazoline to give 1,4-adducts that in turn produce new 1,6-dithia-4,9-diazaspiro[4.4]non-2-ene derivatives. The same reactants treated with oxazolidine-2-thione directly afford new 1-oxa-6-thia-4,9-diazaspiro[4.4]non-7-ene derivatives.

1,2-diaza-1,3-butadienes - thiols - nucleophilic additions - annulation - spiro compounds

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