What are the physical and chemical properties of (E)-N~5~-(Amino{[(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)sulfonyl]amino}methylene)-N~2~-{[(2-methyl-2-propanyl)oxy]carbonyl}-D-ornithine (CAS: 186698-61-3)?

This compound is a crystalline solid with a molecular weight of approximately 653.8 g/mol. It is poorly soluble in water but has good solubility in organic solvents like methanol and dimethyl sulfoxide. Chemically, it is highly reactive, especially towards nucleophiles and reducing agents. It has been observed to form stable complexes with metal ions and to undergo facile conjugate addition reactions.