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2-Aminothiophene derivatives in a novel synthesis of phthalimidines

โœ Scribed by L. Yu. Ukhin; E. N. Shepelenko; L. V. Belousova; Zh. I. Orlova; G. S. Borodkin; K. Yu. Suponitsky


Book ID
106521902
Publisher
Springer
Year
2011
Tongue
English
Weight
493 KB
Volume
60
Category
Article
ISSN
1573-9171

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2-aminothiophenes from triacetonamine: A
โœ Ulrich Sensfuss; Wolf D. Habicher ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 196 KB ๐Ÿ‘ 1 views

Bicyclic 2-aminothiophenes 2, which are available by the Gewald reaction of 2,2,6,6-tetramethyl-4-piperidone (triacetonamine, 1), were employed in cyclizations to give new tricyclic thienopyridine and thienopyrimidine derivatives, without protection of the piperidine nitrogen, whereas methylation of