1146216-56-9Relevant articles and documents
Reactions of aminobenzoic acids with α,β-acetylenic γ-hydroxy nitriles: synthesis of functionalized amino acids and unusually facile esterification and acetylene hydration
Trofimov, Boris A.,Mal'kina, Anastasiya G.,Shemyakina, Olesya A.,Nosyreva, Valentina V.,Borisova, Angela P.,Albanov, Alexander I.,Kazheva, Olga N.,Alexandrov, Grigorii G.,Chekhlov, Anatolii N.,Dyachenko, Oleg A.
experimental part, p. 2472 - 2477 (2009/08/08)
2-Aminobenzoic acid 1 reacts with α,β-acetylenic γ-hydroxy nitriles 4 and 5 to afford 2-[(5-iminio-2,2-dialkyl-2,5-dihydro-3-furanyl)amino]benzenecarboxylates 7 and 8 (yield 73-74%), a new class of unnatural amino acids in a peculiar zwitterionic form, ha
