Ooguri, Akihiro published the artcileNickel-Catalyzed Cycloaddition of Salicylic Acid Ketals to Alkynes via Elimination of Ketones, Category: alcohols-buliding-blocks, the publication is Journal of the American Chemical Society (2009), 131(37), 13194-13195, database is CAplus and MEDLINE.
An intermol. nickel-catalyzed addition reaction has been developed where salicylic acid ketals react with alkynes to afford substituted chromones. A mechanistic rationale is proposed, implying β-elimination of ketone from ring strained seven-membered nickelacycle to generate a five-membered oxa-nickelacycle intermediate.
Journal of the American Chemical Society published new progress about 328-90-5. 328-90-5 belongs to alcohols-buliding-blocks, auxiliary class Trifluoromethyl,Fluoride,Carboxylic acid,Benzene,Phenol, name is 2-Hydroxy-4-(trifluoromethyl)benzoic acid, and the molecular formula is C8H5F3O3, Category: alcohols-buliding-blocks.
Referemce:
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