Journal of Heterocyclic Chemistry p. 725 - 726 (1998)
Update date:2022-08-28
Topics:
Sashida, Haruki
Yasuike, Syuji
Treatment of 2, 2′-dibromodiphenylacetylene 7 with tert-butyllithium followed by tellurium insertion resulted in intramolecular ring closure to afford [1]benzotelluro[3,2-b][1]benzotellurophene 8a. Similarly, [1]benzoseleno-[3,2-b][1]benzoselenophene 8b a
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