Selective deprotonation of tetra[3,4]thienylene in the presence of n-BuLi
Literature Information
Bingbing Li, Chunli Li, Zhiying Ma, Li Xu, Hua Wang
The sequential lithiation mechanism for the selective deprotonation of tetra[3,4]thienylene (1) to form Li4-1 in the present of n-BuLi in THF is investigated. The specific contralateral and ipsilateral selectivities of the lithiation sites in the different steps are explored. A series of tetra-substituted 1 are obtained, viaLi4-1 with electrophiles, in good yields.
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Organic Chemistry Frontiers

Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry










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