The tetra[N-phthaloyl-(S)-tert-leucine]dirhodium-bis(ethyl acetate) adduct is an optically active chiral dirhodium complex (II) developed by Ryutaro Hashimoto and his colleagues. It is used as a catalyst to decompose diazo compounds into ylide configurations.
![DIRHODIUM TETRAKIS[N-PHTHALOYL-(S)-TERT-LEUCINATE] BIS(ETHYL ACETATE) ADDUCT Structure](/StructureFile/ChemBookStructure8/GIF/CB7347229.gif)