paratext
Angewandte Chemie International Edition
Ernst, Richard R.✉
Abstract
New structural motives for organosuperbases, that are easy to prepare and highly basic are urgently required in many areas of chemistry. The synthesis of N, N’-bis(imidazolyl)guanidine bases (BIG bases) is reported. Their pKa values are determined as 26.1–29.3 in THF. They are thus probably the strongest phosphorous-free organic bases both in solution and in the gas phase. Calculations help to determining the structural and electronic factors giving rise to the high basicity.
Chemistry and Chemical EngineeringConnection (principal bundle)Library scienceEngineering ethicsAdvisory committeePolitical scienceOperations researchComputer scienceEngineeringPublic administrationMechanical engineering
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