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Showing 1 to 2 of 2 for “"Ireland-Claisen rearrangement"”.
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Novel addition reactions of some benzopyrans
… with ethyl formate yielded a rearrangement product, 3-(2-methylprop-l-enyl)chromone. The reaction of 2-cyclopropyl-2-methyl-3- hydroxymethylenechroman-4-one with hydroxylamine yielded 5-(2-hydroxyphenyl)-4-(4-hydroxy-1-methylbut-1-enyl)isoxazole as a major product. These …
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Towards the Total Synthesis of Antascomicin B. Efforts to Construct the C1-C21 Fragment
… of antascomicin B involves an asymmetric amino-Claisen rearrangement originally developed by Tsunoda et al.35 report the scalability of the preparation and rearrangement of an allylic amide possessing a silyloxy group at the terminal position of the alkene. The Tsunoda-Claisen rearrangement uses …