A Mild Titanium-Catalyzed Synthesis of F
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Lisa Wirtz; Uli Kazmaier
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Article
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2011
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John Wiley and Sons
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English
⚖ 294 KB
👁 1 views
## Abstract In contrast to Brønsted and other Lewis acids ClTi(O__i__Pr)~3~ is especially suited to catalyze the formation of amino‐substituted coumarins from aminophenols and functionalized β‐oxo esters in a Pechmann condensation. This straightforward protocol allows the synthesis of fluorescence