Journal
MOLECULAR DIVERSITY
Volume -, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1007/s11030-023-10629-3
Keywords
one-pot reaction; 1,3-dipolar cycloaddition reaction; 3-acetyl-coumarins; azomethine ylides; spiropyrrolidine-indenoquinoxalines
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A novel chromeno[3,4-c]spiropyrrolidine-indenoquinoxalines have been synthesized via a one-pot, four-component reaction by 1,3-dipolar cycloaddition of 3-acetyl-coumarins with azomethine ylides followed by deacetylation and protonation (deuteration). The products were obtained in moderate to high yields and their structures were confirmed by H-1 NMR, C-13 NMR, FT-IR, and MS spectroscopy.
A one-pot, four-component reaction for the synthesis of novel chromeno[3,4-c]spiropyrrolidine-indenoquinoxalines is described via a 1,3-dipolar cycloaddition of 3-acetyl-coumarins with the azomethine ylides followed by deacetylation and protonation (deuteration). The products were obtained in moderate to high yields, and their structures were confirmed by H-1 NMR, C-13 NMR, FT-IR, and MS spectroscopy. [GRAPHICS]
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