Reaction of ruppert’s reagent (TMS-CF3) with Oxazolidinones: Synthesis of protected α-amino trifluoromethylketones
摘要:
(Trifluoromethyl)trimethylsilane adds to alpha-amino acid derived oxazolidin-5-ones in excellent yields. The adducts can be converted into protected alpha-amino trifluoromethylketones by acid hydrolysis.
The reaction of benzyloxycarbonyl-5-oxazolidinones with alcohols and sodium hydrogen carbonate to afford the corresponding benzyloxycarbonyl esters is described.
描述了苄氧羰基-5-恶唑烷酮与醇和碳酸氢钠的反应,得到相应的苄氧羰基酯。
US6043278A
申请人:——
公开号:US6043278A
公开(公告)日:2000-03-28
Reaction of ruppert’s reagent (TMS-CF3) with Oxazolidinones: Synthesis of protected α-amino trifluoromethylketones
作者:Magnus W. Walter、Robert M. Adlington、Jack E. Baldwin、John Chuhan、Christopher J. Schofield
DOI:10.1016/0040-4039(95)01619-s
日期:1995.10
(Trifluoromethyl)trimethylsilane adds to alpha-amino acid derived oxazolidin-5-ones in excellent yields. The adducts can be converted into protected alpha-amino trifluoromethylketones by acid hydrolysis.
The invention concerns perfluoro-lower-alkyl derivatives of amino acids. A new synthetic route is provided for preparing .alpha.-aminotrifluoromethylketones, by converting .alpha.-amino acids to oxazolidin-5-ones which are then reacted with Ruppert's Reagent. Fluorinated derivatives of amino acids and peptides are shown to have a new property of inhibiting or inactivating metallo-.beta.-lactamase enzymes, and are thus valuable components of antibacterial formulations. Certain of the trifluoromethyl derivatives of amino acids are new compounds per se.