Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 351, Issue 18, Pages 3118-3122Publisher
WILEY-BLACKWELL
DOI: 10.1002/adsc.200900503
Keywords
allenes; palladium-catalyzed reactions; pyrroles; sequential reactions
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Funding
- National Natural Science Foundation of China [20732005, 20872127]
- National Basic Research Program of China [2009CB825300]
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In this paper, we report a novel sequential reaction sequence consisting of a series of processes including Sonogashira coupling, propargyl-allenyl isomerization, [3+2]cycloaddition, denitrogenation, and highly selective biradical coupling reaction, providing an efficient synthesis of fused polycyclic pyrrole derivatives. The reaction features one C-C bond and two C-N bonds formed to construct the pyrrole unit, together with two rings efficiently assembled in one stroke.
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