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2005
Pyrrole derivatives
R 0120
The Application of Vinylogous Iminium Salt Derivatives to an Efficient Relay Synof the Pyrrole Containing Alkaloids Polycitone A and B. — A new synthesis
24- 106 thesis
of title compounds (I) is developed by preparation of Steglich intermediate (V) based
on cyclization of vinamidinium salts followed by electrophilic functionalizations and
Suzuki coupling. This method opens an efficient access towards a variety of bioactive
pyrrole containing natural products. — (GUPTON*, J. T.; et al.; Tetrahedron 61
(2005) 7, 1845-1854; Dep. Chem., Univ. Richmond, Richmond, VA 23284, USA;
Eng.) — Nuesgen
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