Journal of the Chemical Society. Chemical communications p. 320 - 322 (1988)
Update date:2022-08-10
Topics:
Sha, Chin-Kang
Tsou, Chiu-Peng
Wang, Sue-Lein
4H-Thieno<3,4-c>pyrrole (4) was synthesised from the azide (8) by intramolecular 1,3-dipolar cycloaddition followed by acid-catalysed 1,3-dipolar cycloreversion of the dihydrotriazole intermediate (9); the crystal structure of one of the products formed on trapping (4) with N-phenylmaleimide has been determined.
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