Newradical annulation reactions are described involving addition of cyano-substituted alkyl and sulfanyl radicals to aromatic isonitriles. The tandemcyclisation of the resulting imidoyl radicals onto the cyano group affords cyclopenta- and thienoquinoxalines, respectively. The intervention of the isonitriles in the aromatisation process of the cyclohexadienyl radicals is discussed, as well as the
Sulfur-mediated annulation of 1,2-phenylenediamines towards benzofuro- and benzothieno-quinoxalines
作者:Loan T. Tran、Tuan H. Ho、Nhu T. A. Phan、Tung T. Nguyen、Nam T. S. Phan
DOI:10.1039/d0ob00887g
日期:——
Oxidation of sp3 C–H bonds in acetophenones is exploited to annulate with 1,2-phenylenediamines.
在这个句子中,sp3 C-H键的氧化被利用来与1,2-苯二胺进行环化。
COMPOUND, ORGANIC ELECTROLUMINESCENT DEVICE, AND DISPLAY DEVICE
申请人:SK Materials CO., LTD.
公开号:US20210143337A1
公开(公告)日:2021-05-13
Disclosed is a compound applicable to an electron transport layer, an electron transport assisting layer, a light emitting layer (n-type) of an organic electroluminescent device, an organic electroluminescent device in which said compound is used, and an organic EL display device including the organic electroluminescent device. The organic electroluminescent device includes: a first electrode; a second electrode facing the first electrode; and an organic material layer interposed between the first electrode and the second electrode and includes the compound.
α-(Arylthio)imidoyl Radicals: [3 + 2] Radical Annulation of Aryl Isothiocyanates with 2-Cyano-Substituted Aryl Radicals
A novel cascade radicalreaction is described involving aryl isothiocyanates and 2-cyanoaryl radicals. The mechanism entails the formation of an alpha-(arylthio)imidoyl radical, a 5-exo-dig cyclization onto a cyano group, and a final 6-membered ring closure of an iminyl radical. The competitive 5-membered spiro-cyclization of the iminyl, leading to an isomeric product, was only observed in the case