Synthesis of (S)-N-hydantoinoalkylglycoluriles by one-pot double cyclisation of chiral α,ω-diureido acids under the action of 4,5-dihydroxyimidazolidin-2-ones
作者:Il’ya E. Chikunov、Angelina N. Kravchenko、Pavel A. Belyakov、Oleg V. Lebedev、Nina N. Makhova
DOI:10.1070/mc2005v015n02abeh002094
日期:2005.1
The reaction of 4,5-dihydroxyimidazolidin-2-ones with chiral (S)-N,N'-dicarbamoyl-alpha,omega-amino acids occurs as one-pot double cyclisation under acid catalysis to give the corresponding glycoluriles with (S)-N-hydantoinoalkyl substituents.