CYCLOADDITION OF AZIDES AND ALKYNES
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United States of America Patent
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Issued Date -
Mar 12, 2009
app pub date -
Sep 12, 2008
filing date -
Sep 12, 2007
priority date (Note) -
Abandoned
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Abstract
anion, to form a 1,2,3-triazole in which at least the 1 and 4 positions each has a substituent. The N-heterocyclic carbene either an imidazol-2-ylidene in which the 1 and the 3 positions each has a substituent which has at least one carbon atom, or a 4,5-dihydro-imidazol-2-ylidene in which the 1 and the 3 positions each has a substituent which has at least one carbon atom.
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