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Degradation of dichloromethane by bispidine
Authors:Huiling Cui  Richard Goddard  Klaus‐Richard Pörschke
Institution:Max‐Planck‐Institut für Kohlenforschung, , D‐45466 Mülheim an der Ruhr, Germany
Abstract:An effective degradation reaction of CH2Cl2 by bispidine (3,7‐diazabicyclo3.3.1]nonane, C7H12(NH)2, 1 ) is reported. The reaction starts as low as ?20 °C and is quantitative with respect to 1 . The overall reaction implies nucleophilic substitution of chloride, followed by a series of cascading acid–base reactions, ending with the formation of two easily separable products, one being soluble and the other insoluble. The starting 1 , the intermediates, and the products show a variety of interesting solid‐state structures, associated with plasticity, N–H?N and N–H?Cl?H–N hydrogen bonding, and polymorphism. Copyright © 2012 John Wiley & Sons, Ltd.
Keywords:alkaloids  amines  hydrogen bonds  mesophases  polymorphism  solid‐state structures
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