Preparation of benzofurano-, benzothieno-, indolo-3-sulfolenes as precursors for heteroaromatic o-quinodimethanes

DOI: 10.1016/S0040-4039(97)01183-0

Source and publish data:

Tetrahedron Letters p. 5315 - 5318 (1997)

Update date:2022-08-04

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Authors:

Ko, Chung-Wen

Chou, Ta-Shue

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Article abstract of DOI:10.1016/S0040-4039(97)01183-0

Efficient routes have been developed for the synthesis of benzothieno-3-sulfolene 15, benzofurano-3 sulfolene 16, and N-tosylindolo-3-sulfolene 18. These compounds are ideal precursors for the corresponding heteroaromatic o-quinodimethanes.

Full text of DOI:10.1016/S0040-4039(97)01183-0

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