Asymmetric [3+2] cycloaddition of 3-amino oxindole-based azomethine ylides with α,β-ynones: a straightforward approach to spirooxindoles incorporating 2,5-dihydropyrroles and pyrroles.
Sign Up to like & getrecommendations! Published in 2017 at "Chemical communications"
DOI: 10.1039/c7cc01653k
Abstract: An organocatalytic asymmetric [3+2] cycloaddition of 3-amino oxindole-based azomethine ylides and α,β-ynones has been developed. This reaction afforded spiro[dihydropyrrole-2,3'-oxindole] products in high chemical yields with excellent stereoselectivities (up to 99% yields, >20 : 1 dr and >99%… read more here.
Keywords: based azomethine; oxindole based; amino oxindole; cycloaddition amino ... See more keywords
One step access to oxindole-based β-lactams through Ugi four-center three-component reaction
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DOI: 10.1039/c8ra08165d
Abstract: A multicomponent Ugi reaction involving isatin, isocyanide and β-amino acid components has been developed. The reactions proceeded smoothly to give β-lactam-containing 3,3-disubstituted oxindoles in only one step and generally high yields. When chiral, non racemic,… read more here.
Keywords: oxindole based; step access; access oxindole; one step ... See more keywords
Controlling rotary motion of molecular motors based on oxindole
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DOI: 10.1039/d2qo00129b
Abstract: Molecular motors are essential components of artificial molecular machines, which can be used to manipulate and amplify mechanical motion at the nanoscale to create machine-like function. Since the discovery of light-driven rotary molecular motors, the… read more here.
Keywords: motors based; based oxindole; motion; oxindole based ... See more keywords