An article A palladium-catalyzed approach to allenic aromatic ethers and first total synthesis of terricollene A WOS:000662270000001 published article about CROSS-COUPLING REACTIONS; NUCLEOPHILIC-SUBSTITUTION; BIOLOGICAL EVALUATION; WILLIAMSON SYNTHESIS; COPPER; CARBONYLATION; CYCLIZATION; EFFICIENT; CHEMISTRY; MACROCYCLIZATION in [Huang, Chaofan; Lin, Jie; Liu, Qi; Qin, Anni; Wang, Huanan; Wu, Guolin; Wu, Penglin; Yuan, Yuan; Zheng, Wei-Feng; Zheng, Yangguangyan; Ma, Shengming] Fudan Univ, Dept Chem, Res Ctr Mol Recognit & Synth, 220 Handan Lu, Shanghai 200433, Peoples R China; [Shi, Fuchun; Cui, Yifan; Li, Can; Xiao, Junzhe; Xu, Haibo; Zhai, Yizhan; Yu, Biao; Ma, Shengming] Chinese Acad Sci, State Key Lab Organometall Chem, Shanghai Inst Organ Chem, 345 Lingling Lu, Shanghai 200032, Peoples R China in 2021, Cited 84. Recommanded Product: Mequinol. The Name is Mequinol. Through research, I have a further understanding and discovery of 150-76-5
A palladium-catalyzed C-O bond formation reaction between phenols and allenylic carbonates to give 2,3-allenic aromatic ethers with decent to excellent yields under mild reaction conditions has been described. A variety of synthetically useful functional groups are tolerated and the synthetic utility of this method has been demonstrated through a series of transformations of the allene moiety. By applying this reaction as the key step, the total syntheses of naturally occurring allenic aromatic ethers, eucalyptene and terricollene A (first synthesis; 4.5 g gram scale), have been accomplished.
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,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles