Answers are grounded in this paper and cite their sources.
The chalcogeno-Baylis–Hillman reaction catalysed by sulfides and selenides, the group 16 element compounds, in the presence of Lewis acids gave coupling products in moderate to good yield even after only 1 h at room temperature.
No takes yet. Share an insight, caveat, or question.
Kataoka et al. (1998) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: