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Synthesis of 6-Substituted/Unsubstituted-7,9-diaryl-1,2,4,8-tetraazaspiro [4.5]decan-3-thiones.

โœ Scribed by C. Ramalingan; S. Balasubramanian; S. Kabilan


Publisher
John Wiley and Sons
Year
2003
Weight
81 KB
Volume
34
Category
Article
ISSN
0931-7597

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Synthesis of 8-Substituted Xanthines and
โœ Hans Zimmer; Adel Amer; Frank M. Baumann; Michael Haecker; Christopher G. M. Hes ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 382 KB ๐Ÿ‘ 1 views

The synthesis of a number of 8-(dialkylamino)-and 8-CPBA did not undergo the rearrangement but only yielded the expected N-oxide derivatives 16. This result seems to alkoxyxanthines (3 and 6, respectively) is described. Treatment of 3 with m-chloroperoxybenzoic acid (m-CPBA) indicate that a necessa