Water soluble compounds

Details Water soluble compounds Water soluble compounds

2011-02-01

2011-02-01

Ward, Paul V. (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07879996

ABSTRACT:
Provided is a compound and methods for preparation thereof according to formula (I)where A1, A2, A3, and A4are each a group containing 1 to 40 carbon atoms and at least one carboxylic group, R, R′ and R″ are each hydrogen or a group containing 1 to 80 carbon atoms, M is bivalent or an element capable of complexing with a pyrrole nitrogen atom, L is a linking group, B is a fullerene, and the compound is soluble in water.

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