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ChemInform Abstract: Efficient Synthesis of Highly Functionalized Indazoles and 2,3-Dihydro-1,2-benzisoxazoles by Reaction of Stable Fischer Dienyl Carbenes and Isocyanides.

โœ Scribed by Jose Barluenga; Fernando Aznar; M. Angel Palomero


Publisher
John Wiley and Sons
Year
2010
Weight
36 KB
Volume
33
Category
Article
ISSN
0931-7597

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Efficient Synthesis of Highly Functional
โœ Josรฉ Barluenga; Fernando Aznar; M. Angel Palomero ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 132 KB ๐Ÿ‘ 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