Selective activation and transformation of C-O bonds under mild conditons is of great significance in synthetic chemistry because of the widespread existence of carbon-oxygen single bond. In this work, allenyl...
Facile and Controllable Synthesis of Multiply Substituted Benzenes via a Formal [3 + 3] Cycloaddition Approach. -An efficient protocol for preparation of di-to pentasubstituted benzene derivatives from ,-unsaturated carbonyl derivatives and ylides is presented. The substituents as well as the substitution pattern are controllable by choice of the reactants. -(SHU, Z.-C.; ZHU, J.-B.; LIAO, S.; SUN, X.-L.; TANG*, Y.; Tetrahedron 69 (2013) 1, 284-292, http://dx.
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