A carbonylation procedure involving the cyclization of propargylic alcohols with elemental sulfur was developed. With 1,8‐diazabicyclo[5.4.0]undec‐7‐ene as the catalyst, elemental sulfur and carbon monoxide are activated and incorporated into propargylic alcohols. Good to excellent yields of the desired sulfur‐containing heterocycles were obtained at room temperature.
European Journal of Organic Chemistry – Wiley
Published: Jan 14, 2018
Keywords: ; ; ; ;
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