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Effects of ring strain on gas‐phase rate constants. I. Ozone reactions with cycloalkenes
Author(s) -
Atkinson Roger,
Aschmann Sara M.,
Carter William P. L.,
Pitts James N.
Publication year - 1983
Publication title -
international journal of chemical kinetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 68
eISSN - 1097-4601
pISSN - 0538-8066
DOI - 10.1002/kin.550150804
Subject(s) - cyclopentene , chemistry , cycloheptene , cyclohexene , bicyclic molecule , reaction rate constant , gas phase , 2 butene , medicinal chemistry , heptene , butene , ring strain , cycloalkene , photochemistry , ring (chemistry) , hydrocarbon , organic chemistry , kinetics , ethylene , catalysis , physics , quantum mechanics
Rate constants for the gas‐phase reactions of O 3 with a series of cycloalkenes and with cis ‐2‐butene have been determined at 297 ± 1 K. The rate constants obtained were (in units of 10 −16 cm 3 /molecule·s): cis ‐2‐butene, 1.38 ± 0.16; cyclopentene, 2.75 ± 0.33; cyclohexene, 1.04 ± 0.14; cycloheptene, 3.19 ± 0.36; 1,3‐cyclohexadiene, 19.7 ± 2.8; 1,4‐cyclohexadiene, 0.639 ± 0.074; bicyclo[2.2.1]‐2‐heptene, 21.4 ± 3.5; bicyclo[2.2.1]‐2,5‐heptadiene, 46.8 ± 12.9; and bicyclo[2.2.2]‐2‐octene, 0.728 ± 0.090. These data for cis ‐2‐butene, cyclopentene, and cyclohexene are compared with previous literature data, and the effects of ring strain on the rate constants are discussed.
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