The invention provides a method for the preparation of regioisomerically pure intermediates which are useful for the preparation of carboxy-fluorescein-type compounds. Such compounds have broad applications within bio-conjugation and/or fluorescent imaging.
|IPC||C07D 407/ 10 A I|
|Country/Territory||International Bureau of the World Intellectual Property Organization (WIPO)|
|Publication status||Published - 12 Nov 2015|