Azetidinone antibiotics. XIV. Removal of a phthaloyl protective group from acid and base sensitive compounds
作者:Stjepan Kukolja、Steven R. Lammert
DOI:10.1021/ja00852a044
日期:1975.9
Azetidinone sulfenic acids. Isolation of crystalline sulfenic acids from penicillin sulfoxides and a study of their reactivities
作者:T. S. Chou、J. R. Burgtorf、A. L. Ellis、S. R. Lammert、S. P. Kukolja
DOI:10.1021/ja00812a063
日期:1974.3
Azetidinone antibiotics. XII. Chemical transformations of penicillins and cephalosporins. Mechanism and stereochemistry of the interconversions of penam and cepham systems
作者:S. Kukolja、S. R. Lammert、M. R. Gleissner、A. I. Ellis
DOI:10.1021/ja00844a045
日期:1975.5
Preparation of a novel cephalosporin sulfonium salt