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ChemInform Abstract: 4H,8H-Thiopyrano(3,2-b)thiopyran-4,8-dione and -4,8-dithione - Novel Bicyclic Heterocycles.

✍ Scribed by E. FANGHAENEL; T. PALMER

Book ID
112028659
Publisher
John Wiley and Sons
Year
2010
Weight
27 KB
Volume
27
Category
Article
ISSN
0931-7597

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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