112010-83-0Relevant academic research and scientific papers
HYDROXYIMINOISOQUINOLIN-3(2H)-ONES, VIII. ACID-CATALIZED RING CONTRACTION AND SEMMLER-WOLFF TYPE REARRANGEMENT
Tikk, Istvan,Deak, Gyula,Tamas, Jozsef
, p. 289 - 294 (2007/10/02)
The refluxing of 4-hydroxyimino-1,4-dihydroisoquinolin-3(2H)-ones (1a-e) with formic acid resulted in a hitherto unknown rearrangement to give 4-formamidoisoquinolin-3(2H)-ones (2a-e).Acetylation of the deformylated compound (3) with acetic anhydride in a
