Selective deprotonation of tetra[3,4]thienylene in the presence of n-BuLi

Literature Information

Publication Date 2017-02-06
DOI 10.1039/C6QO00754F
Impact Factor 5.281
Authors

Bingbing Li, Chunli Li, Zhiying Ma, Li Xu, Hua Wang


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Abstract

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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