Redox-neutral α-oxygenation of amines: reaction development and elucidation of the mechanism

MT Richers, M Breugst, AY Platonova… - Journal of the …, 2014 - ACS Publications
Cyclic secondary amines and 2-hydroxybenzaldehydes or related ketones react to furnish
benzo [e][1, 3] oxazine structures in generally good yields. This overall redox-neutral amine …

A regio-and stereoselective 1, 3-dipolar cycloaddition for the synthesis of novel spiro-pyrrolothiazolyloxindoles and their antitubercular evaluation

P Prasanna, K Balamurugan, S Perumal… - European journal of …, 2010 - Elsevier
The 1, 3-dipolar cycloaddition of azomethine ylides derived from substituted isatins and 1, 3-
thiazolane-4-carboxylic acid to a series of 2-(arylmethylene)-2, 3-dihydro-1H-inden-1-ones …

Antimycobacterial activity of spirooxindolo-pyrrolidine, pyrrolizine and pyrrolothiazole hybrids obtained by a three-component regio-and stereoselective 1, 3-dipolar …

SM Rajesh, S Perumal, JC Menéndez… - …, 2011 - pubs.rsc.org
Spirooxindolo-pyrrolidine, pyrrolizine and pyrrolothiazole hybrid compounds were obtained
in excellent yields from the regio-and stereoselective reaction between β-nitrostyrenes and …

A facile 1, 3-dipolar cycloaddition of azomethine ylides to 2-arylidene-1, 3-indanediones: synthesis of dispiro-oxindolylpyrrolothiazoles and their antimycobacterial …

SU Maheswari, K Balamurugan, S Perumal… - Bioorganic & medicinal …, 2010 - Elsevier
A facile 1, 3-dipolar cycloaddition of azomethine ylide generated in situ from the reaction of
1, 3-thiazolane-4-carboxylic acid and isatin to 2-arylidene-1, 3-indanediones furnished …

[HTML][HTML] Review on the recent development on ionic liquid promoted domino reactions in synthesis of eco-compatible and complex molecules

S Indumathi, I Khan - Journal of Ionic Liquids, 2023 - Elsevier
Ionic liquid (IL) catalysed organic syntheses have emerged as a great approach to improve
synthetic productivity. Particularly IL catalyzed domino reactions enable the synthesis of …

Metal-free α-amination of secondary amines: Computational and experimental evidence for azaquinone methide and azomethine ylide intermediates

A Dieckmann, MT Richers, AY Platonova… - The Journal of …, 2013 - ACS Publications
We have performed a combined computational and experimental study to elucidate the
mechanism of a metal-free α-amination of secondary amines. Calculations predicted …

Redox Isomerization via Azomethine Ylide Intermediates: N-Alkyl Indoles from Indolines and Aldehydes

I Deb, D Das, D Seidel - Organic Letters, 2011 - ACS Publications
Redox Isomerization via Azomethine Ylide Intermediates: N-Alkyl Indoles from Indolines and
Aldehydes | Organic Letters ACS ACS Publications C&EN CAS Find my institution Log In …

A microwave-assisted facile regioselective Fischer indole synthesis and antitubercular evaluation of novel 2-aryl-3, 4-dihydro-2H-thieno [3, 2-b] indoles

SV Karthikeyan, S Perumal, KA Shetty… - Bioorganic & Medicinal …, 2009 - Elsevier
A series of novel 2-aryl-3, 4-dihydro-2H-thieno [3, 2-b] indoles has been synthesised
regioselectively in good yields from the reaction of 5-aryldihydro-3 (2H)-thiophenones and …

Facile Access to Ring-Fused Aminals via Direct α-Amination of Secondary Amines with o-Aminobenzaldehydes: Synthesis of Vasicine, Deoxyvasicine …

MT Richers, I Deb, AY Platonova, C Zhang… - Synthesis, 2013 - thieme-connect.com
Secondary amines undergo redox-neutral reactions with aminobenzaldehydes under
conventional and microwave heating to furnish polycyclic aminals via amine α-amination/N …

Facile three-component domino reactions in the regioselective synthesis and antimycobacterial evaluation of novel indolizines and pyrrolo [2, 1-a] isoquinolines

S Muthusaravanan, S Perumal, P Yogeeswari… - Tetrahedron …, 2010 - Elsevier
The domino reactions of pyridine/isoquinoline, bromoacetonitrile/ethyl bromoacetate and a
series of β-nitrostyrenes in the presence of triethylamine afforded novel tri-/disubstituted …