| http://www.w3.org/ns/prov#value | - In addition to the above described lipophilic complexing agents, various compounds containing functional groups, such as a carbonyl group, a sulfinyl group, a sulfonyl group phosphoryl group, an ether group, an amino group, an imidazole ring, a furan ring, and a pyridine ring, having a coordination ability to metal cations can be used in the process of the invention.
|
