Name: Ethyl 3-bromo-2-oxopropanoate. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Ethyl 3-bromo-2-oxopropanoate, is researched, Molecular C5H7BrO3, CAS is 70-23-5, about Bio-Fe3O4-MNPs catalyzed green synthesis of pyrrolo[2,1-a]isoquinoline derivatives using isoquinolium bromide salts: study of antioxidant activity. Author is Abbasi, Maryam; Zamani Hargalani, Fariba; Afrashteh, Siavash; Rostamian, Rezvaneh.
A novel, one-pot, efficient procedure with high yield for the synthesis of pyrrolo[2,1-a]isoquinoline derivatives I [R = ethoxycarbonyl, 4-methylphenyl, 4-bromophenyl, etc.; R1 = ethoxycarbonyl, 4-methylphenyl, 4-methoxyphenyl] using multi-component reaction of isoquinoline, alkyl bromides and triphenylphosphine in the presence of Fe3O4-MNPs as catalyst under solvent-free conditions at room temperature was investigated. This study highlighted an easy, simple, rapid and clean method for the preparation of pyrrolo[2,1-a]isoquinoline derivatives The Fe3O4-MNPs in these reactions were produced employing a green procedure by reduction of ferric chloride solution with pomegranate peel water extract Addnl., antioxidant activity was studied for the some newly synthesized compounds such as I [R1 = ethoxycarbonyl; R = ethoxycarbonyl, 4-methoxyphenyl, 4-methylphenyl, 4-bromophenyl]using the DPPH radical trapping and reducing potential of ferric ion experiments and comparing the results with the results of synthetic antioxidants (2-tert-butylhydroquinone, TBHQ; butylated hydroxytoluene, BHT). As a result, compounds [R1 = ethoxycarbonyl; R = ethoxycarbonyl, 4-methoxyphenyl, 4-methylphenyl, 4-bromophenyl] show trace DPPH radical trapping and excellent reducing power of ferric ion.
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Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem