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A NEW SYNTHESIS OF 4H-THIOPYRAN-4-THIONES FROM ACETYLENIC β-DIKETONES

✍ Scribed by Marei, Mohamed Gaber


Book ID
115489772
Publisher
Taylor and Francis Group
Year
1993
Tongue
English
Weight
413 KB
Volume
81
Category
Article
ISSN
1042-6507

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Synthesis of 4H-1,3-oxathiin-4-ones by r
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## Abstract A series of 2,2‐disubstituted 5,6‐diphenyl‐4H‐1,3‐oxathiin‐4‐ones was synthesized by cycloaddition of thiones with benzoylphenylketene, which was generated by the thermal Wolff rearrangement of 2‐diazo‐1,3‐diphenyl‐1,3‐propanedione. © 2001 John Wiley & Sons, Inc. Heteroatom Chem 12:630–