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Current Project

Chemical Nomenclature and Structure Representation Division (VIII)
Polymer Division (IV)


Number: 2007-009-1-800

Title: Nomenclature for Rotaxane Polymers

Task Group
Jiri Vohlidal

Members: Alain Fradet, Jaroslav Kahovec, Przemek Kubisa, W.V. Metanomski, Werner Mormann, Edward S. Wilks, and Andrey Yerin

To elaborate the IUPAC interdivisional document on the nomenclature rules for naming rotaxane polymers. Work on this document was started earlier (project 2000-037-1-800) but was interrupted in 2004 to await the completion of the IUPAC recommendations for naming low-molecular-weight rotaxanes (project 2002-007-1-800). This was to avoid the appearance of discrepancies and inconsistencies in the rules proposed in these closely-related documents.

The recommendations published by the Commission on Macromolecular Nomenclature [Compendium of Macromolecular Nomenclature. Blackwell Scientific Publications, Oxford (1991)] have dealt with regular single-strand organic macromolecules [Pure Appl. Chem. 2002, 74 (10): 1921-1956], regular single-strand and quasi-single-strand inorganic and coordination polymers [Pure Appl. Chem. 1985, 57, 149-168], copolymer macromolecules [Pure Appl. Chem. 1985, 57, 1427-1440], regular double-strand organic polymers [Pure Appl. Chem. 1993, 65, 1561-1580], irregular single-strand organic polymers [Pure Appl. Chem. 1994, 66, 873-889], and non-linear macromolecules, and macromolecular assemblies [Pure Appl. Chem. 1997, 69, 2511-2521].

The proposed document will provide recommendations for the nomenclature for macromolecular structures having a linear component that is encircled by, but not bonded to, a cyclic component (knotted structures will be excluded). As a class, these structures are called "macromolecular rotaxanes" or "rotaxane polymers". As far as possible, the principles of nomenclature established in the IUPAC Recommendations: "Nomenclature for Rotaxanes" [project 2002-007-1-800] are to be followed in this document.


Last update: 19 June 2007


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