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. Author manuscript; available in PMC: 2016 Oct 21.
Published in final edited form as: Tetrahedron Lett. 2015 Oct 21;56(43):5870–5873. doi: 10.1016/j.tetlet.2015.09.002

Table 2.

Kinetics of the reaction of compound 1 with TPP in benzene.

Entry Compound TPP (equiv.) Observed rate constant (kobs, min−1) t1/2 (min)
1 1 1 0.09 8
2 1 2 0.18 3.7
3 1 5 0.5 1.4
4 1 10 3.5 0.2