A simple approach to amino acids with a diazo function in the side chain starting from aspartic acid

Article abstract of DOI:10.1055/s-1992-26324

[2,2-Bis(trifluoromethyl)-5-oxo-1,3-oxazolidin-4-yl]acetic acid chloride (2) and diazoalkanes react to give the amino acid derivatives 2,2-bis(trifluoromethyl)-4-(3-diazo-2-oxopropyl)-1,3-oxazolidin-5-ones 3. Compounds 3 are useful intermediates for the s