383883-62-3Relevant academic research and scientific papers
Useful dual Diels-Alder behavior of 2-azetidinone-tethered aryl imines as azadienophiles or azadienes: A β-lactam-based stereocontrolled access to optically pure highly functionalized indolizidine systems
Alcaide, Benito,Almendros, Pedro,Alonso, Jose M.,Aly, Moustafa F.
, p. 3415 - 3426 (2007/10/03)
Imines derived from 4-oxoazetidine-2-carbaldehydes have been found to be versatile Diels - Alder reagents in that they exhibit two reactivity patterns. 2-Azetidinone-tethered imines undergo diastereoselective reaction with Danishefsky's diene in the prese
Dual behavior of 2-azetidinone-tethered arylimines as azadienophiles or azadienes. Application to the asymmetric synthesis of indolizidine-type systems
Alcaide,Almendros,Alonso,Aly,Torres
, p. 1531 - 1534 (2007/10/03)
The first methodology to prepare indolizidine systems directly from β-lactams has been developed. This process involves the amide bond cleavage of the β-lactam ring in the aza Diels-Alder cycloadducts with concomitant cyclization. Indolizidinone precursor
