Journal
SYNTHETIC COMMUNICATIONS
Volume 36, Issue 17, Pages 2503-2511Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00397910600781281
Keywords
coupling of terminal acetylene; cupric salt; diyne; PEGs
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Diynes were synthesized in high yields by homocoupling of terminal arylacetylenes and terminal alkylacetylenes in Cu(OAc)(2)-PEG (polyethyleneglycol) with NaOAc as a base. Cu(OAc)(2)-PEG was readily recycled via solvent precipitation with efficient recyclability.
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