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2005
Oxazole derivatives
R 0220
Synthesis and Hetero-Michael Addition Reactions of 2-Alkynyl Oxazoles and
— The desired heterocycles are sufficiently polarized to be subjected to
21- 133 Oxazolines.
hydrohalogenation and nucleophilic conjugate addition reactions with a variety of
nucleophiles. Stable 2-oxazolyl ketones such as (XXIII) are available via dithiolanes.
In general, a unique, mild and flexible approach to numerous biologically active naturally products is presented. — (WIPF*, P.; GRAHAM, T. H.; Org. Biomol. Chem. 3
(2005) 1, 31-pp; Dep. Chem., Univ. Pittsburgh, Pittsburgh, PA 15260, USA; Eng.) —
Klein
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