Chou, Wen-ChihWen-ChihChouFang, Jim-MinJim-MinFang2009-10-142018-07-102009-10-142018-07-101996http://ntur.lib.ntu.edu.tw//handle/246246/170981application/pdf242759 bytesapplication/pdfen-USUse of Ketene Dithioacetal as a Latent Carboxylic Acid in the Macrolactonization Applicable to the Synthesis of Dilactonic Pyrrolizidine Alkaloidsjournal article10.1021/jo951363y2-s2.0-0029971742WOS:A1996TX42000045http://ntur.lib.ntu.edu.tw/bitstream/246246/170981/1/67.pdf