89155-14-6Relevant articles and documents
THE ANNELATION OF THE 2-AMINOPYRAN-4-ONE RING TO CONDENSED THIOPHENES
Volovenko, Yu. M.,Litenko, V. A.,Khrapak, T. V.,Babichev, F. S.
, p. 1167 - 1169 (2007/10/02)
The reaction of arylacetonitriles with the methyl ester of 3-hydroxybenzothiophene-2-carboxylic acid in the presence of a basic catalyst leads to the previously unreported 2-amino-3-arylbenzothienopyran-4-ones.Under the same conditions, the