Purification of stable water-soluble dioxetanes

Details Purification of stable water-soluble dioxetanes Purification of stable water-soluble dioxetanes

C - Chemistry, Metallurgy

07

D

260/373.1, 260/3

C07D 321/00 (2006.01) C07D 405/04 (2006.01) C07F 9/655 (2006.01)

Patent

CA 1340357

Methods are disclosed for purifying chemiluminescent water-soluble 1,2-dioxetane derivatives suitable for use as reporter molecules in a variety of biological analytical systems, including enzyme-linked immunoassays, nucleic acid probe techniques, and structural determinations. The methods are based upon high pressure, medium pressure or low pressure liquid chromatography using as the stationary phase alkaline pH-stable compositions with the chromatographic characteristics of reversed-phase adsorbents, at alkaline pH values, and in the absence of acid-forming compounds or compounds with an unshared pair of electrons. Desalting of substantially pure water soluble 1,2-dioxetane derivatives may be accomplished by the same chromatographic systems or by molecular sieve chromatography systems, but in the absence of salt buffers. Under some circumstances, purification and desalting may be combined in a single chromatographic step. Substantially pure chemiluminescent water-soluble 1,2-dioxetane derivatives prepared by the methods of the invention are also disclosed.

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