期刊
TETRAHEDRON LETTERS
卷 81, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2021.153367
关键词
Ketene; Resorcylate; Rearrangement; Spirocycles; Isocoumarins
The synthesis of 8-hydroxyisochroman-1-one derivatives was described using a base-induced anionic accelerated rearrangement reaction, providing important compounds for further study.
Syntheses of 8-hydroxyisochroman-1-one derivatives are described, promoted via a base-induced anionic accelerated rearrangement reaction from dimethyl dioxinone protected resorcylates. A biomimetic polyketide aromatization strategy via selective C-acylation of a b-keto ester, Pd(0)-catalyzed allylic migration and base-promoted cyclization and aromatization furnished the arene core of the resorcylate precursors. (c) 2021 Elsevier Ltd. All rights reserved.
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