@article{article, title  = {{Chromium-mediated β-lactone synthesis using ultrasonication}},

 url = {{}},

 year = {{1999}},

 month = {{1}},

 author = {{Caldwell JJ and Harrity JPA and Heron NM and Kerr WJ and McKendry S and Middlemiss D}},

 doi = {{10.1016/S0040-4039(99)00429-3}},

 volume = {{40}},

 journal = {{Tetrahedron Letters}},

 issue = {{17}},

 pages = {{3481-3484}},

 note = {{Accessed on 2024/12/22}}}