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.
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Institute of Molecular and Cell Biology, 30 Medical Drive, Singapore 117609, SingaporeInstitute of Molecular and Cell Biology, 30 Medical Drive, Singapore 117609, Singapore
Lin, Peishan
Cher Hui Heng, Sabrina
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Institute of Molecular and Cell Biology, 30 Medical Drive, Singapore 117609, SingaporeInstitute of Molecular and Cell Biology, 30 Medical Drive, Singapore 117609, Singapore
Cher Hui Heng, Sabrina
Sim, Mui Mui
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Institute of Molecular and Cell Biology, 30 Medical Drive, Singapore 117609, SingaporeInstitute of Molecular and Cell Biology, 30 Medical Drive, Singapore 117609, Singapore