Wu, Xiaoyu; Nie, Linlin; Fang, Huihui; Chen, Jie; Cao, Weiguo; Zhao, Gang published the artcile< Organocatalyzed Cascade Reactions of Cyclic β-Enamino Esters and α,β-Unsaturated Aldehydes Leading to Indoloquinolizidines and Benzoquinolizidines>, Safety of 3-(4-Bromophenyl)acrylaldehyde, the main research area is quinolizidine fused preparation; indoloquinolizidine preparation; benzoquinolizidine preparation; organocatalyst cascade reaction cyclic enamino ester unsaturated aldehyde.
Organocatalyzed cascade reactions between cyclic β-enamino esters and α,β-unsaturated aldehydes have been developed. They provide highly substituted indolo[2,3-a]quinolizidines and benzo[a]quinolizidines in moderate to good yields and with good to excellent enantioselectivities. Both aromatic and aliphatic α,β-unsaturated aldehydes react readily with enamino esters to furnish the desired products. E.g., organocatalyzed reaction of enamino ester (I) with 4-BrC6H4CH:CHCHO gave 77% indolo[2,3-a]quinolizidine (II).
European Journal of Organic Chemistry published new progress about Cyclization (cyclic β-enamino esters). 3893-18-3 belongs to class bromides-buliding-blocks, and the molecular formula is C9H7BrO, Safety of 3-(4-Bromophenyl)acrylaldehyde.
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary