181314-35-2Relevant articles and documents
Synthesis of a cyclic urea as a nonnatural biopolymer scaffold
Kim, Jong-Man,Wilson, Troy E.,Norman, Thea C.,Schultz, Peter G.
, p. 5309 - 5312 (2007/10/03)
A cyclic urea trimer was synthesized from readily available amino acid derivatives using a simple, iterative approach. A selective amide reduction using borane (BH3-THF) and a triphosgene-mediated cyclization are the key features in a synthesis of the cyclic urea trimer 2.