Direct synthesis of highly substituted 2cyclohexenones and sterically hindered benzophenones based on a 5C 1C annulation: Revision history

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11 April 2024

  • curprev 04:3104:31, 11 April 2024‎ Copyplane5 talk contribs‎ 5,637 bytes +5,637‎ Created page with "The regiospecific [5C + 1C] annulation of readily available alpha-alkenoyl ketene (S,S)-acetals 1 with aryl methyl ketones 2, the less active methylene compounds, has been developed. Upon treatment of 1 with 2 in the presence of t-BuOK in DMF at room temperature, highly substituted 2-cyclohexenones 3 were synthesized in high to excellent diastereoselectivities with high yields. On the basis of this strategy, sterically hindered benzophenones 4 were conveniently MeONa/MeO..."
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