New Synthesis of 2-Alkyl-4,4-dimethyl-5-halomethylisoxazolidin-3-ones via Intramolecular Halocyclization of N-Alkyl-2,2-dimethyl-3-butenohydroxamic Acids - Kim, Hyoung Rae; Shin, Seung Il; Park, Hyun Ju; Jeon, Dong Ju; Ryu, Eung K (Synlett, 1998)