@article{weko_14912_1, author = "Somei,Masanori and Nakagawa,Kyoko", title = "Simple total syntheses of (-)-ergot alkaloids and their (+)-enantiomers by a common synthesis method utilizing optical resolution", journal = "Heterocycles", year = "1997", volume = "45", number = "7", pages = "1263--1266", month = "jan" }