@article {6654,
	title = {Diversity-oriented synthesis of fused pyran γ-lactones via an efficient Pd-thiourea-catalyzed alkoxycarbonylative annulation},
	journal = {Organic Letters},
	year = {2008},
	pages = {5163-5166},
	doi = {10.1021/ol802115u},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/18922007},
	author = {Zhengtao Li and Yingxiang Gao and Zhaodong Jiao and Na Wu and David Zhigang Wang and Zhen Yang}
}
