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. 2019 Aug 27;9(46):26559–26571. doi: 10.1039/c9ra02818h

Second-order rate constants (k1) and half-lives for the photolysis of CMF in acid solution.

pH k 1 (M−1 s−1) ± SD t 1/2 (min) Φ a
2.0 1.13 ± 0.01 295.0 0.16
3.0 4.20 ± 0.05 79.3 0.20
3.5 8.05 ± 0.09 41.4 0.23
4.0 10.85 ± 0.11 30.7 0.29
4.5 6.04 ± 0.07 55.2 0.06
5.0 2.75 ± 0.03 121.2 0.05
6.0 1.99 ± 0.02 167.5 0.05
7.0 2.45 ± 0.02 136.1 0.12
a

It represents the quantum yields for the formation of LC, the major side-chain photoproduct.