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pre-equilibrium (prior equilibrium)

A rapidly reversible step preceding the rate-limiting step in a stepwise reaction. For example:
P04810
Source:
PAC, 1994, 66, 1077 (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1152
See also:
PAC, 1996, 68, 149 (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 177
InChI=1/H2O/h1H2
InChI=1/C4H9N/c1-4(2)5-3/h1-3H3
InChI=1/H2O/h1H2/p-1/fHO/h1h/q-1
InChI=1/C4H9N/c1-4(2)5-3/h1-3H3/p+1/fC4H10N/h5H/q+1
InChI=1/C4H11NO/c1-4(2,6)5-3/h5-6H,1-3H3
XLYOFNOQVPJJNP-UHFFFAOYAF
GPASKFIFXOCRNP-UHFFFAOYAI
XLYOFNOQVPJJNP-GDBKARAACO
GPASKFIFXOCRNP-FHRQOGIGCF
CMWUSCNTMPWOKZ-UHFFFAOYAT
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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. https://doi.org/10.1351/goldbook.
Last update: 2014-02-24; version: 2.3.3.
DOI of this term: https://doi.org/10.1351/goldbook.P04810.
Original PDF version: http://www.iupac.org/goldbook/P04810.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 The PDF version is out of date and is provided for reference purposes only.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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