85142-43-4Relevant academic research and scientific papers
Reactions of Cyclic Anhydrides: Part VII - Reductive Cyclisation of 2-Nitromaleanilates and 2-Nitrofumaranilates, a New Synthesis of 2-Oxo-1,2,3,4-tetrahydroquinoxalines
Wagh, S. B.,Balasubramaniyan, P.,Balasubramaniyan, V.
, p. 1071 - 1073 (2007/10/02)
Fusion of o-nitroanilines with maleic anhydride (MA) in the presence of anhydrous aluminum chloride at 80-100 deg selectively furnishes the corresponding maleanilic acids (2a-d) and at 160-200 deg, the fumaranilic acids (4a-d) in excellent yields.Their me
Reactions of Cyclic Anhydrides: Part VI - Transesterification of Maleanilic and Fumaranilic Acids with Phosphorus Pentoxide-Alkanol
Wagh, S. B.,Balasubramaniyan, P.,Balasubramaniyan, V.
, p. 577 - 578 (2007/10/02)
Mixed phosphorus esters obtained from alkanols and phosphorus pentoxide furnish the corresponding esters in 80-90percent yield when refluxed with maleanilic and fumaranilic acids.
