Preparation of 4,5‐Dihydronaphth[2,1‐<i>c</i>]isoxazoles from Dilithiated 2‐Tetralone Oxime and Select Esters
作者:Emily Choi、John D. Knight、Maria D. Malatanos、J. Matthew Rhett、Matthew J. Walters、S. Patrick Dunn、Charles F. Beam
DOI:10.1080/00397910701820228
日期:2008.2.13
Abstract Dilithiated 2‐tetralone oxime, prepared in excess lithium diisopropylamide, was condensed with aromatic esters, such as methyl 4‐methoxybenzoate, followed by cyclization of the C‐acylated intermediate with aqueous acid to give dihydronaphthisoxazoles, 4,5‐dihydronaphth[2,1‐c]isoxazoles.
摘要 在过量二异丙基氨基锂中制备的二锂化 2-四氢萘酮肟与芳香酯缩合,如 4-甲氧基苯甲酸甲酯,然后用酸水溶液环化 C-酰化中间体,得到二氢萘二恶唑,4,5-二氢萘[2, 1-c]异恶唑。