B (C 6 F 5) 3 catalysed reduction of para-quinone methides and fuchsones to access unsymmetrical diaryl-and triarylmethanes: elaboration to beclobrate
A mild and efficient method for the synthesis of unsymmetrical diaryl-and triarylmethanes
through a B (C6F5) 3 catalyzed reduction of para-quinone methides and fuchsones
respectively, using the Hantzsch ester as a reducing source has been developed. Detailed
mechanistic investigations revealed that the reaction actually proceeds through a Lewis acid–
base pair complex derived from B (C6F5) 3 and the Hantzsch ester.
through a B (C6F5) 3 catalyzed reduction of para-quinone methides and fuchsones
respectively, using the Hantzsch ester as a reducing source has been developed. Detailed
mechanistic investigations revealed that the reaction actually proceeds through a Lewis acid–
base pair complex derived from B (C6F5) 3 and the Hantzsch ester.
A mild and efficient method for the synthesis of unsymmetrical diaryl- and triarylmethanes through a B(C6F5)3 catalyzed reduction of para-quinone methides and fuchsones respectively, using the Hantzsch ester as a reducing source has been developed. Detailed mechanistic investigations revealed that the reaction actually proceeds through a Lewis acid–base pair complex derived from B(C6F5)3 and the Hantzsch ester.
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