Abstract
Hydrogenation of (E)-2-nitropyrrolidinostyrene in the presence of the doped rhodium catalyst is safe, scalable, and highly effective for the preparation of 6-benzyloxyindole. Reaction kinetics with/without additives also were examined using in situ IR for the first time. Results showed that the additives decelerate the hydrogenolysis of benzyl ethers, while simultaneously accelerating the de-oxygenation of N-oxy-intermediates.
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