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mesomeso-compound

meso structures

in polymers
Relative configurations of consecutive, but not necessarily contiguous, constitutionally equivalent carbon atoms that have a symmetrically-constituted connecting group (if any) are designated 'meso' or 'racemo', as appropriate. Examples:
M03856-1
(The symbol M03856-2 represents a symmetrically-constituted connecting group, such as –CH2–, –CH2–CH2–, or –CR2–CH2–CR2–.)
Source:
Purple Book, p. 37
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Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. doi:10.1351/goldbook.
Last update: 2009-09-07; version: 2.1.5.
DOI of this term: doi:10.1351/goldbook.M03856.
Original PDF version: http://www.iupac.org/goldbook/M03856.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.
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