Facile and Efficient One-Pot Synthesis of Highly Functionalized Thieno[2,3b]thiopyran-4-ones from b-Keto e-Xanthyl Phosphonates

Matthieu Corbet; Samir Zard

Facile and Efficient One-Pot Synthesis of Highly Functionalized Thieno[2,3b]thiopyran-4-ones from b-Keto e-Xanthyl Phosphonates

Matthieu Corbet ¹ Samir Zard ¹

1 DCSO - Laboratoire de synthèse organique

Abstract : Synthesis of various functionalized thieno[2,3-b]thiopyran-4-ones from readily available β-keto ε-xanthyl phosphonates has been accomplished by combining a Horner−Wadsworth−Emmons olefination with a base-induced intramolecular domino cyclization/thio-Michael addition. The use of cyclic ketones in this transformation allowed a facile access to novel spiro-type thieno[2,3-b]thiopyran structures.

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https://hal-polytechnique.archives-ouvertes.fr/hal-00968362
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Submitted on : Monday, March 31, 2014 - 9:22:07 PM
Last modification on : Thursday, February 7, 2019 - 5:16:35 PM

Facile and Efficient One-Pot Synthesis of Highly Functionalized Thieno[2,3b]thiopyran-4-ones from b-Keto e-Xanthyl Phosphonates

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Facile and Efficient One-Pot Synthesis of Highly Functionalized Thieno[2,3b]thiopyran-4-ones from b-Keto e-Xanthyl Phosphonates

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