Robuta

https://merckindex.rsc.org/monographs/m10806 L-Threose | The Merck Index Online the merck indexl https://pubs.rsc.org/en/Content/ArticleLanding/2010/CC/C0CC00613K Efficient asymmetric organocatalytic formation of erythrose and threose under aqueous conditions -... Esters of proteinogenic amino acids efficiently catalyse the formation of erythrose and threose under aqueous conditions in the highest yields and... efficientasymmetricformation