Issue 12, 2022

Photoinduced cascade cyclization of alkynes with NH4SCN: access to SCN-containing dibenzazepines or dioxodibenzothiazepines

Abstract

Photoinduced radical cascade cyclization of aryl acetylenes with NH4SCN was achieved, which provides a simple and mild protocol for the synthesis of SCN-containing dibenzazepines or dioxodibenzothiazepines. A variety of scaled-up operations, functional group transformations, radical capture studies and on/off light experiments were performed to test the merits of the desired products and the reaction process.

Graphical abstract: Photoinduced cascade cyclization of alkynes with NH4SCN: access to SCN-containing dibenzazepines or dioxodibenzothiazepines

Supplementary files

Article information

Article type
Communication
Submitted
02 Eph 2022
Accepted
17 Mey 2022
First published
19 Mey 2022

Green Chem., 2022,24, 4742-4747

Photoinduced cascade cyclization of alkynes with NH4SCN: access to SCN-containing dibenzazepines or dioxodibenzothiazepines

S. Chen, Q. Yan, J. Fan, Y. Gao, X. Yang, L. Li, Z. Liu and Z. Li, Green Chem., 2022, 24, 4742 DOI: 10.1039/D2GC01276F

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