179618-54-3Relevant articles and documents
Two-step conversion of 2-substituted furans into γ-oxo-α,β-unsaturated carboxylic acids. Formal synthesis of (+)-patulolide A and (-)-pyrenophorin
Kobayashi, Yuichi,Kishihara, Kiyonobu,Watatani, Kengo
, p. 4385 - 4388 (1996)
NBS oxidation of 2-substituted furans 9 and 15 followed by further oxidation of the enals with NaClO2 afforded the acids 11 and 17 in good yields, which are the intermediates of (+)-patulolide A and (-)-pyrenophorin, respectively.