Domino carbocationic rearrangements of α-[bis(methylthio)methylene]alkyl-2-(heteroaryl)cyclopropyl ketones
Tetrahedron, 60, 5603-5612, 2004

α-Oxoketene dithioacetal mediated aromatic annulation: highly efficient and concise synthetic routes to potentially carcinogenic polycyclic aromatic hydrocarbons
Tetrahedron, 60, 3663-3673, 2004

α-Oxoketene dithioacetals mediated heteroaromatic annulation protocol for benzoheterocycles: an efficient regiocontrolled synthesis of highly substituted and annulated indazoles
Tetrahedron, 60, 3457-3464-3673, 2004

Synthesis of Functionalized 1,2,3,4-Tetrahydro-β-carboline Derived Enamines through Bischler-Napieralski Type Cyclization of Polarized Ketene N,S-Acetals
Synlett 2005: 309-313

Heteroannulation of 3-Bis(methylthio)acrolein with Aromatic Amines - [nl]A Convenient Highly Regioselective Synthesis of 2-(Methylthio)quinolines and their Benzo/Hetero Fused Analogs - A Modified Skraup Quinoline Synthesis
Synlett 2004: 449-452

aza-Annulation of Tetrahydroisoquinoline Derived Enamines: Efficient and Convergent Routes to Novel Functionalized Benzo[a]quinolizin-4-ones and Pyrimido[6,1-a]isoquinoline Derivatives
Synlett 2003: 2369-2373

S,S-Dimethyl Dithiocarbonate: A Useful Reagent for Efficient Conversion of Aldoximes to Junjappa-Ila (JI) Heteroaromatic Annulation: A New General α-Oxoketene Dithioacetals Mediated Inverse Method for Synthesis of Substituted Benzothiazoles
Synth. Comm.36, 2006, 2983-2990

Highly Regioselective Synthesis of 1-Aryl-3 (or 5)-alkyl/aryl-5 (or 3)-(N-cycloamino)pyrazoles
J. Org. Chem., 70 (23), 9644 -9647, 2005.

Aza-Annulation of Polarized N,S- and N,N-Ketene Acetals with Itaconic Anhydride:
Synthesis of Novel Functionalized 1,2,3,4-Tetrahydro-2-pyridones and Related Azabicycles
Synlett 2005: 1437-1441

Heteroannulation of Nitroketene N,S-Arylaminoacetals with POCl3: A Novel Highly Regioselective Synthesis of Unsymmetrical 2,3-Substituted Quinoxalines
Org. Lett., 7 (11), 2169 -2172, 2005

Regioselective Synthesis of 1-Aryl-3,4-substituted/annulated-5-(methylthio)pyrazoles and 1-Aryl-3-(methylthio)-4,5-substituted/annulated Pyrazoles
J. Org. Chem., 70 (24), 10030 -10035, 2005.

Imino Diels-Alder Reactions: Efficient Synthesis of 2-Aryl-4-(29-oxopyrrolidinyl-19)-1,2,3,4-tetrahydroquinolines catalyzed
by Antimony(III) Sulfate
Monatsh Chem 139, 255–259, 2008

Antimony(III) Sulfate Catalyzed Condensation Reaction of Indoles with Carbonyl Compounds Monatsh Chem, 139, 111–115 (2008)

Imino Diels-Alder Reactions: Efficient Synthesis of Pyrano and Furanoquinolines Catalyzed by 4-Nitrophthalic Acid
Monatsh Chem, 139, 141–145, 2008

Efficient and Straightforward Synthesis of Tetrahydrocarbazoles and 2,3-Dimethyl Indoles Catalyzed by CAN
Synth. Comm.39, 2009, 158-165

Synthesis of 1-(2-Methyl-1,2,3,4-tetrahydroquinolin-4-yl) pyrrolidin-2-ones from Anilines and N-Vinyl Pyrrolidin-2-one Through Imino Diels-Alder Reaction Using 4-Nitro Phthalic Acid as Catalyst
Synth. Comm.39, 2009, 93-101

Efficient Synthesis of 2-Ethoxycarbonyl Indoles
Synth. Comm.39, 2009, 2506-2516

Mild and Simple Access to Diverse 4-Amino-substituted 2-Phenyl-1,2,3,4-tetrahydroquinolines and 2-Phenylquinolines Based on a Multicomponent Imino Diels-Alder Reaction
Synth. Comm.40, 2010, 2220-2231

Aqueous Synthesis of N-Phenyl/alkyl-2-quinolinone-3-carboxylic Acids from Coumarin-3-carboxylic Acids
Synth. Comm.40, 2010, 3281-3289