1307311-49-4Relevant articles and documents
Facile regioselective synthesis of benzofuran-annulated six-membered sulfur heterocycles and the occurrence of thermal [1,3] sigmatropic rearrangement
Majumdar, Krishna C.,Nath, Sanjay,Chattopadhyay, Buddhadeb,Ray, Krishanu
scheme or table, p. 176 - 179 (2012/04/04)
Thio-Claisen rearrangement of a number of 3-(4-aryloxybut-2-ynlthio) benzofurans has been achieved under very mild conditions to give 2H-benzo[b]thiopyrano[2,3-d]furans. Attempts at further thio-claisen rearrangement resulted in the occurrence of thermal