28033-41-2Relevant articles and documents
Anionic Homologous Fries Rearrangement of O-(2-Methylaryl)carbamates. A Regiospecific Route to Benzo[b]furan-2(3H)-ones including an Unnamed Metabolite from Helenium Species
Kalinin,Miah,Chattopadhyay,Tsukazaki,Wicki,Nguen,Coelho,Kerr,Snieckus
, p. 839 - 841 (2007/10/03)
A new LDA mediated O → C carbamoyl migration, 3 provides a general and efficient route to aryl acetamides 5, precursors to the benzo- and naphthofuranones 7, one of which serves as a starting material for a short synthesis of naturally-occurring benzofuranolactol 11 isolated from several Helenium species.