Efficient Synthesis of Highly Functional
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Josรฉ Barluenga; Fernando Aznar; M. Angel Palomero
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Article
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2001
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John Wiley and Sons
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English
โ 132 KB
๐ 1 views
A range of stable chromium and tungsten Fischer dienyl carbenes have been prepared by [3+2] cycloaddition of alkenylethynyl carbene complexes with nitrones or diazoalkanes. Treatment of these systems with isocyanides gives entry to highly functionalized 2,3-dihydro-1,2-benzisoxazoles and indazoles i