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[1]: "The term 'superbase' should only be applied to bases resulting from a mixing of two (or more) bases leading to a new basic species possessing inherent new properties. The term "superbase" does not mean a base is thermodynamically and/or kinetically stronger than another; instead it means that a basic reagent is created by combining the characteristics of several different bases." The guanidine ttmgn combines the basicity of guanidino groups with Alder's concept of a proton sponge. Therefore ttmgn clearly qualifies as "superbase".
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