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Synthesis 2006(8): 1295-1300
DOI: 10.1055/s-2006-926416
DOI: 10.1055/s-2006-926416
PAPER
© Georg Thieme Verlag Stuttgart · New York
Synthesis of the Fused Heterobicycles 5-Pyridin-2-yl-thieno[3,2-b]pyridine, 6-Pyridin-2-yl-thieno[2,3-b]pyridine and 6-Pyridin-2-yl-thieno[3,2-c]pyridine
Further Information
Received
19 September 2005
Publication Date:
29 March 2006 (online)
Publication History
Publication Date:
29 March 2006 (online)
Abstract
Three new pyridyl thienopyridines, 5-pyridin-2-yl-thieno[3,2-b]pyridine, 6-pyridin-2-yl-thieno[2,3-b]pyridine and 6-pyridin-2-yl-thieno[3,2-c]pyridine, have been synthesized, each through a different synthetic sequence. Overall yields ranged from 8% to 32%.
Key words
ring closure - fused-ring systems - heterocycles - pyridines - conjugation
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