88791-23-5Relevant articles and documents
7-Substituted Benzothiophenes and 1,2-Benzisothiazoles. Part 1. Hydroxy- or Methoxy-derivatives
Rahman, Loay K. A.,Scrowston, Richard M.
, p. 2973 - 2978 (2007/10/02)
Readily available 2-hydroxy-3-methoxybenzaldehyde (orthovanilin) is converted, via terminal rearrangement (Newman-Kwart) of the O-aryl-NN-dimethylthiocarbamate, into 2-mercapto-3-methoxybenzaldehyde (3).This thiol undergoes base-catalysed condensation wit