A system view of solvent selection in the pharmaceutical industry: towards a sustainable choice |
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| Authors: | S Perez-Vega E Ortega-Rivas I Salmeron-Ochoa P N Sharratt |
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| Institution: | 1. School of Chemical Science, Autonomous University of Chihuahua, Circuit 1, New University Campus, CP 31125, Chihuahua, Mexico
2. Institute of Chemical and Engineering Sciences, Jurong Island, 627833, Singapore
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| Abstract: | This paper presents a review of approaches that may be useful for the selection of solvents in the early stages of process development for the synthesis of active pharmaceutical ingredients. Characteristics of the methodologies and their applicability in early stages are explored. Early stages of development are recognised as ideal for detecting benefits and issues regarding the use of solvents. The ??system?? concept is introduced for the evaluation and selection of solvents in pharmaceutical processes; this concept does not yet seem to be widely utilised within the fine chemicals and pharmaceutical industries. System analysis is considered an important tool for viewing solvent selection from a holistic perspective. Hence, approaches suitable for the early stages of development and considering a holistic perspective might deliver more sustainable processes. The evolution of the synthesis of Ibuprofen API is used to illustrate this concept. |
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