Facile and efficient one-pot synthesis of highly functionalized thieno[2,3-b]thiopyran-4-ones from β-keto ε-xanthyl phosphonates

Organic Letters

Volumn 10, Issue 13, 2008, Pages 2861-2864

  Corbet, Matthieu ^a   Zard, Samir Z ^a  

^a LABORATOIRE DE SYNTHÈSE ORGANIQUE   (France)

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Indexed keywords

EID: 58149303348     PISSN: 15237060     EISSN: 15237052     Source Type: Journal    
DOI: 10.1021/ol801033e     Document Type: Article

References (24)

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21. Addition reactions were performed by portionwise addition of DLP (5 mol %) every 90 min to a refluxing degassed 1 M solution of 6 (1 equiv) in DCE in the presence of the olefin (2-3 equiv) until 6 had entirely reacted. Products 7a and 7b were previously reported. See ref 4.
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