Related Products of 73942-87-7, Catalysts allow a reaction to proceed via a pathway that has a lower activation energy than the uncatalyzed reaction. 73942-87-7, Name is 7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one, SMILES is O=C1NC=CC2=CC(OC)=C(OC)C=C2C1, belongs to amides-buliding-blocks compound. In a article, author is Qu, Tian, introduce new discover of the category.
Direct Vicinal Difunctionalization of Thiophenes Enabled by the Palladium/Norbornene Cooperative Catalysis
Herein we report a direct vicinal difunctionalization of thiophenes via the palladium/norbornene (Pd/NBE) cooperative catalysis. A series of mono- and disubstituted thiophenes can be difunctionalized site-selectively and regioselectively at the C4 and CS positions in good yields, enabled by an arsine ligand and a unique amide-based NBE. The synthetic utility has been shown in derivatizations of complex bioactive compounds and an open-flask gram-scale preparation. Preliminary results have been obtained in the difunctionalization of furans and a direct C4-selective arylation of 2-substituted thiophenes.
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