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4H,8H-Thiopyrano[3,2-b]thiopyran-4,8-dione and −4,8-dithione – novel bicylic heterocycles

✍ Scribed by Prof. Dr. E. Fanghänel; T. Palmer

Book ID
105354517
Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
265 KB
Volume
337
Category
Article
ISSN
1615-4150

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An Uncommon Derivative of 4H-Thiopyran-4
An Uncommon Derivative of 4H-Thiopyran-4-one: 4H,8H-Thiopyrano[3,2-b]thiopyran-4,8-dione: Synthesis, Redox Properties, and Calculations
✍ Martin Hemmerling; Siegfried Hünig; Martina Kemmer; Karl Peters 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 562 KB

Starting from tetrahydrothiopyran-4-one (4d) a rational NMR spectra, redox behavior, and crystal structure (H 4 -3a and 3a). The very low solubility of 3a and 3b prevented eight-step synthesis of 3a has been developed with 25 % overall yield. This route passes H 4 -3a and H 2 -3a which are further r