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2005
Fused pyridine derivatives
R 0450
Synthesis of Spiro-pyrazole-3,3'-thiopyrano[2,3-b]pyridines and Azolo[a]pyrias New Ring Systems with Antifungal
33- 159 do[2',3':5,6]thiopyrano[3,4-d]pyrimidines
and Antibacterial Activities. — The synthesis of so far unreported 3-benzylidene-4-oxothiopyranopyridines (III) and corresponding aminomethylene analogue (VII) as
well as their application in the preparation of novel spiro-compounds (V) and new heterocyclic systems (IX) and (XI) are described. Some of the title products show significant antimicrobial activity. — (DAWOOD*, K. M.; J. Heterocycl. Chem. 42 (2005)
2, 221-225; Dep. Chem., Fac. Sci., Cairo Univ., Giza 12613, Egypt; Eng.) —
A. Forchert
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