37772-86-4Relevant academic research and scientific papers
Cyclisation of Novel Amino Oxo Esters to Tetramic Acids - Density Functional Theory Study of the Reaction Mechanism
Detsi, Anastasia,Afantitis, Antreas,Athanasellis, Giorgos,Markopoulos, John,Igglessi-Markopoulou, Olga,Skylaris, Chris-Kriton
, p. 4593 - 4600 (2003)
The synthesis of novel N-urethane-protected γ-methylanlino-β -oxo esters and their use as precursors for the preparation of N-methyltetramic acids is described. The presence of the bulky urethane protecting group on the nitrogen atom gives rise to rotational isomers detectable in the NMR spectra of the compounds, along with the keto/enol tautomerism. The mechanism of the cyclisation reaction of γ-amino-β-oxo esters to tetramic acids was studied theoretically by the B3LYP hybrid density functional method. Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003.
A traceless solid-phase approach to functionalized tetramic acids and 2-amino-4-pyrrolinones
Prousis, Kyriakos C.,Detsi, Anastasia,Igglessi-Markopoulou, Olga
, p. 2763 - 2766 (2007/10/03)
A novel traceless route for the synthesis of optically active functionalized tetramic acids and 2-amino-4-pyrrolinones on solid support is described. p-Nitrophenyl carbonate linker on Wang resin is used to anchor L-α-Amino acids by their N-terminus thus leaving the carboxylic function free for further elaboration. High yields and ee, in combination with the versatility implied by the wide range of commercially available building blocks, are the major advantages of the proposed methodology. Georg Thieme Verlag Stuttgart.
Simple route to azabicyclic peroxides from tetramic acid derivatives using manganese(III)-based molecular oxygen trapping reaction
Chowdhury, Firoz Alam,Nishino, Hiroshi,Kurosawa, Kazu
, p. 575 - 591 (2007/10/03)
A simple one-step synthesis of azabicyclic peroxides was achieved by the manganese(III)-mediated oxidative formal [2+2+2] cycloaddition. The reaction of alkenes (1) with pyrrolidinediones (2) was carried out with manganese(III) acetate in acetic acid at 2
