The insertion of arynes into the O-H bond of aliphatic carboxylic acids promoted by sodium carboxylates is described. The reactions led to the formation of aryl carboxylates in good yields with good chemoselectivities under mild conditions. (C) 2015 Elsevier Ltd. All rights reserved.
The Preparation of Some New Alkylphenols<sup>1</sup>
作者:R. W. Stoughton、R. Baltzly、A. Bass
DOI:10.1021/ja01324a505
日期:1934.9
3-Ylidenephthalides as a new class of transient receptor potential channel TRPA1 and TRPM8 modulators
作者:Giorgio Ortar、Aniello Schiano Moriello、Enrico Morera、Marianna Nalli、Vincenzo Di Marzo、Luciano De Petrocellis
DOI:10.1016/j.bmcl.2013.08.039
日期:2013.10
Following the recent identification of the naturally occurring 3-ylidene-4,5-dihydrophthalide ligustilide and its oxidation product dehydroligustilide as novel TRPA1 modulators, a series of seventeen 3-ylide-nephthalides was synthesized and tested on TRPA1 and TRPM8 channels. Most of these compounds acted as strong modulators of the two channel types with EC50 and/or IC50 values distinctly lower than those of the reference compounds. (C) 2013 Elsevier Ltd. All rights reserved.
A new synthesis of 3-ylidenephthalides via palladium-catalyzed cyclocarbonylation of 2-triflyloxyacetophenones
作者:Pier Giuseppe Ciattini、Gaia Mastropietro、Enrico Morera、Giorgio Ortar
DOI:10.1016/s0040-4039(00)79222-7
日期:1993.6
The reaction of 2-triflyloxyacetophenone derivatives 1 with carbon monoxide in the presence of a palladium catalyst affords 3-ylidenephthalides 2 in good yields and under mild conditions.
47. Hydroxy-carbonyl compounds. Part X. Coumarins and chromones from m-4-xylenol