The Practice of Medicinal Chemistry
by Madjackfrost on October 1, 2009
The role of chemistry in the manufacture of new drugs, and also of cosmetics and agrochemicals, is essential. It is doubtful, however, whether chemists have been properly trained to design and synthesize new drugs or other bioactive compounds. The majority of medicinal chemists working in the pharmaceutical industry are organic synthetic chemists with little or no background in medicinal chemistry who have to acquire the specific aspects of medicinal chemistry during their early years in the pharmaceutical industry. This book is precisely aimed to be their ‘bedside book’ at the beginning of their career.
After a concise introduction covering background subject matter, such as the definition and history of medicinal chemistry, the measurement of biological activities and the three main phases of drug activity, the second part of the book discusses the most appropriate approach to finding a new lead compound or an original working hypothesis. This most uncertain stage in the development of a new drug is nowadays characterized by high-throughput screening methods, synthesis of combinatorial libraries, data base mining and a retum to natural product screening.
The core of the book (Parts III to V) considers the optimization of the lead in terms of potency, selectivity, and safety. In ‘Primary Exploration of Structure-Activity Relationships’, the most common operational stratagems are discussed, allowing identification of the portions of the molecule that are important for potency. ‘Substituents and functions’ deals with the rapid and systematic optimization of the lead compound. ‘Spatial Organization, Receptor Mapping and Molecular Modelling’ considers the three-dimensional aspects of drag-receptor interactions, giving particular emphasis to the design of peptidomimetic drags and to the control of the agonist antagonist transition. Parts VI and VII concentrate on the definition of satisfactory drag-delivery conditions, i.e. means to ensure that the molecule reaches its target organ. Pharmacokinetic properties are improved through adequate chemical modifications, notably prodrug design, obtaining suitable water solubility (of utmost importance in medical practice) and improving organoleptic properties (and thus rendering the drag administration acceptable to the patient). Part VIII, ‘Development of New Drags: Legal and Economic Aspects’, constitutes an important area in which chemists are almost wholly self taught following their entry into industry.
The Practice of Medicinal Chemistry is exactly the type of book to be recommended as a text or as first reading to asynthetic chemist beginning a career in medicinal chemistry. And, even if primarily aimed at organic chemists entering into pharmaceutical research, all medicinal chemists will derive a great deal from reading the book.
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The role of chemistry in the manufacture of new drugs, and also of cosmetics and agrochemicals, is essential. It is doubtful, however, whether chemists have been properly trained to design and synthesize new drugs or other bioactive compounds. The majority of medicinal chemists working in the pharmaceutical industry are organic synthetic chemists with little or no background in medicinal chemistry who have to acquire the specific aspects of medicinal chemistry during their early years in the pharmaceutical industry. This book is precisely aimed to be their ‘bedside book’ at the beginning of their career.
