World Wide Web-based system for the calculation of substituent parameters and substituent similarity searches.
Easy to use, interactive, and platform-independent WWW-based tools are ideal for development of chemical applications. By using the newly emerging Web technologies such as Java applets and sophisticated scripting, it is possible to deliver powerful molecular processing capabilities directly to the desk of synthetic organic chemists. In Novartis Crop Protection in Basel, a Web-based molecular modelling system has been in use since 1995. In this article two new modules of this system are presented: a program for interactive calculation of important hydrophobic, electronic, and steric properties of organic substituents, and a module for substituent similarity searches enabling the identification of bioisosteric functional groups. Various possible applications of calculated substituent parameters are also discussed, including automatic design of molecules with the desired properties and creation of targeted virtual combinatorial libraries.
Agro Research Computing Group, Novartis Crop Protection AG, Basel, Switzerland.
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D002625:Chemistry, Organic; D003196:Computer Graphics; D015195:Drug Design; D020407:Internet; D008956:Models, Chemical; D008958:Models, Molecular; D015394:Molecular Structure; D055601:Organic Chemistry Phenomena; D012984:Software