One pot synthesis of diarylfurans from aryl esters and PhI(OAc)2via palladium-associated iodonium ylides was written by Bao, Yong-Sheng;Bao, Agula;Bao, Zhaorigetu;Jia, Meilin;Baiyin, Menghe. And the article was included in Organic & Biomolecular Chemistry in 2015.Application of 205-39-0 This article mentions the following:
The example of palladium-catalyzed intermol. cyclization for the synthesis of various diarylfurans in which one of the aromatic rings originates from the phenolic part of the starting ester and the other one from PhI(OAc)2 has been reported. The reaction is carried out through two steps: the rearrangement of palladium-associated iodonium ylides to form o-iodo diaryl ether and then palladium catalyzed intramol. direct arylation. This reaction can tolerate a variety of functional groups and is alternative or complementary to the previous methods for the synthesis of diarylfurans. In the experiment, the researchers used many compounds, for example, Naphtho[2,1-b]benzofuran (cas: 205-39-0Application of 205-39-0).
Naphtho[2,1-b]benzofuran (cas: 205-39-0) belongs to benzofurans derivatives. Benzofurans are only weakly aromatic in nature and they are cleaved by many oxidative and reductive conditions. They are also prone to polymerisation in the presence of concentrated mineral acids and Lewis acids.Application of 205-39-0
Referemce:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem