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4-Acyl-2H-thiopyran-3,5(4H,6H)-diones: Synthesis, Oxidation, and Reaction with Amines

✍ Scribed by T. A. Zheldakova; M. V. Budnikova; I. L. Rubinova; D. B. Rubinov

Book ID
111609124
Publisher
SP MAIK Nauka/Interperiodica
Year
2003
Tongue
English
Weight
79 KB
Volume
39
Category
Article
ISSN
1070-4280

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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