@article {6616,
	title = {Synthesis of 4-substituted coumarins via the palladium-catalyzed cross-couplings of 4-tosylcoumarins with terminal acetylenes and organozinc reagents},
	journal = {Journal of Organic Chemistry},
	year = {2001},
	pages = {3642-3645},
	doi = {10.1021/jo0102157},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/11348165},
	author = {J. Wu and Y. Liao and Z. Yang}
}
