Drug solid solutions - a method for tuning phase transformations

Delori, Amit and Maclure, Pauline and Bhardwaj, Rajni M. and Johnston, Andrea and Florence, Alastair J. and Sutcliffe, Oliver B. and Oswald, Iain D. H. (2014) Drug solid solutions - a method for tuning phase transformations. CrystEngComm, 16 (26). pp. 5827-5831. ISSN 1466-8033 (https://doi.org/10.1039/c4ce00211c)

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This paper describes a methodology for the modification of phase transition temperatures using (+/-)-4 `-methylmethcathinone solid solutions as an exemplar. This method serves to show that by varying the composition of the halide ion one can systematically alter the temperatures at which phase transitions can occur in order to evade the possibility of interconversion between polymorphs during processing or storage of materials.