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

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Selective deprotonation of tetra[3,4]thienylene in the presence of n-BuLi
Organic Chemistry Frontiers ( IF 4.6 ) Pub Date : 2017-02-06 00:00:00 , DOI: 10.1039/c6qo00754f
Lu Li _{1,

2,

3,

4,

5} , Bingbing Li _{1,

2,

3,

4} , Chunli Li _{1,

2,

3,

4} , Zhiying Ma _{1,

2,

3,

4} , Li Xu _{2,

3,

4,

6} , Hua Wang _{1,

2,

3,

4}

Affiliation

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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