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DOI: 10.1055/sos-SD-011-00303

Schukat, G.; Fanghänel, E.Science of Synthesis, (200211211.

The 1,3-dithiole-2-thiones or -selones 65 (Z=S, Se) are arylated by arenediazonium salts, where nitro-substituted arenediazonium salts react spontaneously, halo- and pseudohalo-substituted arenediazonium salts require copper(I) chloride as catalyst, and donor-substituted arenediazonium salts are unsuitable (Scheme 21).[‌172‌,‌173‌]

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