87-41-2, Name is Isobenzofuran-1(3H)-one, molecular formula is C8H6O2, Quality Control of Isobenzofuran-1(3H)-one, belongs to benzofurans compound, is a common compound. In a patnet, author is Ortega, Teresa, once mentioned the new application about 87-41-2.
Singlet oxygenation of triquinacene, barrelene, and homobarrelene
The singlet oxygenation of three polycyclic hydrocarbons, triquinacene, barrelene and homobarrelene was studied. Triquinacene reacted by way of a perepoxide intermediate, transferring an oxygen atom to another triquinacene molecule to give exclusively the mono epoxide. Barrelene, on the other hand, underwent a rare homo-Diels-Alder reaction with O-1(2) to give the decomposition product from the initial tetracyclic 1,2-dioxolane leading to benzofuran. The latter reacted with O-1(2) in a [2 + 2] cycloaddition to give an unstable 1,2-dioxetane which collapsed to 2-formylphenyl formate. The latter was independently synthesized via singlet oxygenation of authentic benzofuran. Homobarrelene reacted in a similar fashion to give a homo-Diels product, decomposition of which led to a keto aldehyde which was characterized spectroscopically. Computational work confirms the barrelene and homobarrelene reactions with O-1(2) as concerted [pi(2)(s)+ pi 2(s)+ pi 2(s)] cycloadditions. (C) 2020 Elsevier Ltd. All rights reserved.
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Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem