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. Author manuscript; available in PMC: 2018 Feb 9.
Published in final edited form as: J Med Chem. 2016 Dec 20;60(3):839–885. doi: 10.1021/acs.jmedchem.6b00788

Table 9.

Effect of Quinone Substituents on the Psuedo-first Order Rate Constants for the Reaction with 4-Nitrobenzenethiol

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Entry R1 R2 Psuedo-first Order Rate Consant (s−1)
1 H H (450) 1.5 × 103
2 H Me (451) 3.2 × 102
3 H tBu (452) 2.3 × 101
4 Me Me (453) 7.3 × 10−1
5 Cl H (454) 2.6 × 105
6 Cl Cl (455) 2.8 × 106