Asymmetric Synthesis of Enantiomerically Pure Phosphonic Analogues of Glutamic Acid and Proline
作者:Ulrich Groth、Lutz Richter、Ulrich Schöllkopf
DOI:10.1016/s0040-4020(01)80584-6
日期:1992.1
Michael addition of the metallated camphor derivatives 2 to vinylogous esters and subsequential hydrolysis afforded phosphonic analogues of glutamic acid. The enantiomericallypure lactam 6 was reduced by LiBH4/BF3·OEt2 to phosphoproline 7.