135268-55-2Relevant academic research and scientific papers
Hetero-Diels-Alder reactions of homochiral 1,2-diaza-1,3-butadienes with diethyl azodicarboxylate under microwave irradiation. Theoretical rationale of the stereochemical outcome
Avalos, Martin,Babiano, Reyes,Cintas, Pedro,Clemente, Fernando R.,Jimenez, Jose L.,Palacios, Juan C.,Sanchez, Juan B.
, p. 6297 - 6305 (1999)
The stereoselective normal electron demand Diels-Alder reactions of chiral 1,2-diaza-1,3-butadienes, derived from acyclic carbohydrates having different configurations (1-6), with diethyl azodicarboxylate (DEAD) are disclosed. Reactions proceed slowly in
DIASTEREOFACIAL SELECTIVITY IN DIELS-ALDER REACTIONS OF CHIRAL 1,2-DIAZA-1,3-BUTADIENES DERIVED FROM CARBOHYDRATES
Avalos, M.,Babiano, R.,Cintas, P.,Jimenez, J. L.,Molina, M. M.,et al.
, p. 2513 - 2516 (2007/10/02)
The synthesis of several 1,2-diaza-1,3-butadienes 1 derived from carbohydrates is described.The reaction of 1, as chiral dienophiles, with 1,4-benzoquinone, 1,4-naphthoquinone, and diethyl azodicarboxylate occurs with high ?-facial stereoselectivity.
