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Umasish Jana
Umasish Jana
Professor, Dept. of Chemistry, Jadavpur University
Verified email at jadavpuruniversity.in
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Indium (III) chloride-catalyzed one-pot synthesis of dihydropyrimidinones by a three-component coupling of 1, 3-dicarbonyl compounds, aldehydes, and urea: an improved procedure …
BC Ranu, A Hajra, U Jana
Journal of Organic Chemistry 65 (19), 6270-6272, 2000
7002000
Magnetic bistability of molecules in homogeneous solution at room temperature
S Venkataramani, U Jana, M Dommaschk, FD Sönnichsen, F Tuczek, ...
Science 331 (6016), 445-448, 2011
5702011
General procedure for the synthesis of α-amino phosphonates from aldehydes and ketones using indium (III) chloride as a catalyst
BC Ranu, A Hajra, U Jana
Organic Letters 1 (8), 1141-1143, 1999
3871999
Iron (III)-catalyzed four-component coupling reaction of 1, 3-dicarbonyl compounds, amines, aldehydes, and nitroalkanes: a simple and direct synthesis of functionalized pyrroles
S Maiti, S Biswas, U Jana
The journal of organic chemistry 75 (5), 1674-1683, 2010
2802010
Indium (III) chloride-promoted rearrangement of epoxides: a selective synthesis of substituted benzylic aldehydes and ketones
BC Ranu, U Jana
The Journal of Organic Chemistry 63 (23), 8212-8216, 1998
2461998
Microwave-assisted simple synthesis of quinolines from anilines and alkyl vinyl ketones on the surface of silica gel in the presence of indium (III) chloride
BC Ranu, A Hajra, U Jana
Tetrahedron Letters 41 (4), 531-533, 2000
1982000
An FeCl3-catalyzed highly C3-selective Friedel–Crafts alkylation of indoles with alcohols
U Jana, S Maiti, S Biswas
Tetrahedron Letters 48 (40), 7160-7163, 2007
1572007
Efficient microwave-assisted synthesis of quinolines and dihydroquinolines under solvent-free conditions
BC Ranu, A Hajra, SS Dey, U Jana
Tetrahedron 59 (6), 813-819, 2003
1482003
Iron-Catalyzed Synthesis of Functionalized 2H-Chromenes via Intramolecular Alkyne−Carbonyl Metathesis
K Bera, S Sarkar, S Biswas, S Maiti, U Jana
The Journal of Organic Chemistry 76 (9), 3539-3544, 2011
1322011
A simple and efficient FeCl3-catalyzed direct alkylation of active methylene compounds with benzylic and allylic alcohols under mild conditions
U Jana, S Biswas, S Maiti
Tetrahedron letters 48 (23), 4065-4069, 2007
1322007
An efficient FeCl3-catalyzed amidation reaction of secondary benzylic and allylic alcohols with carboxamides or p-toluenesulfonamide
U Jana, S Maiti, S Biswas
Tetrahedron Letters 49 (5), 858-862, 2008
1232008
Discovery of a novel class of AKT pleckstrin homology domain inhibitors
D Mahadevan, G Powis, EA Mash, B George, VM Gokhale, S Zhang, ...
Molecular cancer therapeutics 7 (9), 2621-2632, 2008
942008
Simple and improved procedure for regioselective acylation of aromatic ethers with carboxylic acids on the solid surface of alumina in the presence of trifluoroacetic anhydride
BC Ranu, K Ghosh, U Jana
The Journal of Organic Chemistry 61 (26), 9546-9547, 1996
851996
Rational design of a room temperature molecular spin switch. The light-driven coordination induced spin state switch (LD-CISSS) approach
M Dommaschk, C Schütt, S Venkataramani, U Jana, C Näther, ...
Dalton Transactions 43 (46), 17395-17405, 2014
782014
A simple and efficient method for selective deprotection of t-butyldimethylsilyl ethers by zinc tetrafluoroborate in water
BC Ranu, U Jana, A Majee
Tetrahedron letters 40 (10), 1985-1988, 1999
731999
Microwave-assisted synthesis of substituted pyrroles by a three-component coupling of α, β-unsaturated carbonyl compounds, amines and nitroalkanes on the surface of silica gel
BC Ranu, A Hajra, U Jana
Synlett 2000 (01), 75-76, 2000
632000
Design of a neutral macrocyclic ionophore: synthesis and binding properties for nitrate and bromide anions
R Herges, A Dikmans, U Jana, F Köhler, PG Jones, I Dix, T Fricke, ...
European Journal of Organic Chemistry 2002 (17), 3004-3014, 2002
612002
FeCl 3-catalyzed synthesis of functionally diverse dibenzo [b, f] oxepines and benzo [b] oxepines via alkyne–aldehyde metathesis
K Bera, S Jalal, S Sarkar, U Jana
Organic & Biomolecular Chemistry 12 (1), 57-61, 2014
602014
An Efficient Iron‐Catalyzed Carbon–Carbon Single‐Bond Cleavage via Retro‐Claisen Condensation: A Mild and Convenient Approach to Synthesize a Variety of Esters or Ketones
S Biswas, S Maiti, U Jana
European journal of organic chemistry 2010 (15), 2861-2866, 2010
572010
Efficient synthesis of functionalized dihydroquinolines, quinolines and dihydrobenzo [b] azepine via an iron (iii) chloride-catalyzed intramolecular alkyne–carbonyl metathesis …
S Jalal, K Bera, S Sarkar, K Paul, U Jana
Organic & Biomolecular Chemistry 12 (11), 1759-1770, 2014
562014
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