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The data in Figure 2 for the first and second runs for the conversion of 1→2→3 match each other quite well, except for what appears to be a slight incubation period in the conversion of 2 into 3 in the first run. As this reaction was run in a two-step, one-pot sequence, there is some delay in the conversion of 2 into 3 because the former is formed in situ. In contrast, the second set of data for the conversion of 2 into 3 come from the one-pot reaction of 2→3→4. In this case, 2 is present at the outset and there is therefore no delay in its conversion. The second set of data for the conversion of 1 into 2 come from the single reaction 1→2 using the acid resin catalyst recovered from the one-pot reaction of 1→2→3.
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No kinetic data were collected for the conversion of 1 into 5a and 5b or into 6a and 6b. Consequently, no reliable TOF values were obtained.
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