62901-99-9Relevant articles and documents
Synthesis of Cairomycin-B, a Novel Bicyclic Peptide Containing Lysine and Aspartic Acid
Kumar, Arun,Singh, Mahak,Chauhan, V. S.
, p. 230 - 232 (2007/10/02)
Cairomycin-B, a bicyclic peptide antibiotic containing lysine and aspartic acid has been synthesised.Diketopiperazine (5) is first prepared from the compound (3), deprotected and subjected to internal cyclisation using DDC and N-hydroxysuccinimide to yield the title compound (7) in 11 percent yield.All the intermediates and final compounds have been fully characterised.