[structure: see text] A one-pot coupling of a 1,3-diketone, an aldehyde, and an alkanethiol has been developed to produce a protected sulfide. Through use of an o-nitrophenylbenzaldehyde, this method provides a one-step route to a photochemically reversible thiol-protecting group. The kinetics of photolysis were established using (1)H NMR analysis, which allows for the rate to be based on the entire reaction scheme.
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Clarke et al. (2005) studied this question.
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