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A steric and electronic effect on enamide/ene metathesis, a novel preparation of 2‐substituted indoles and 3‐substituted indoles using enamide‐ene metathesis as a key reaction, and its application to the synthesis of indomethacin are described. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
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Kasaya et al. (2009) studied this question.
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