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封面介绍Palladium-catalyzed intramolecular Heck tandem cyclization reactions were developed by Li, Wang and Xu on page 3073. In the presence of palladium iodide as a catalyst and 4-(dimethylamino)triphenylphosphine as a ligand, the 3-substituted indoleamide derivatives were converted to bridged N-heterocyclic products in good yields under simple reaction conditions. The tandem reactions are featured by efficient construction of fused ring compounds in one pot and good functional group compatibility.
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封面介绍The synthesis of diarylmethyl phosphorus oxides con-taining CN-substituted quaternary stereocenters via 1,6- conjugate addition of P(O)—H compounds to para- quinone methides is reported by Wang, Kan, Ma and Liu on page 3192. The para-quinone methides with diverse substituents at α-position and aryl groups at δ-position are tolerated.
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