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upamanyu das
upamanyu das
Assistant Professor
Verified email at rgu.ac.in
Title
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Cited by
Year
Studies on Pyrimidine-Annelated Heterocycles:  Synthesis of Pyrrolo[3,2-d]pyrimidines by Amine Oxide Rearrangement
KC Majumdar, U Das, NK Jana
The Journal of Organic Chemistry 63 (11), 3550-3553, 1998
561998
Studies in Pyrimidine-Annelated Heterocycles1 by Tandem Cyclization:  Regioselective Synthesis of [6,6]Pyranopyran by Intramolecular [1,6] Michael Addition
KC Majumdar, U Das
The Journal of Organic Chemistry 63 (26), 9997-10000, 1998
551998
Fabrication of ZnO nanorods for optoelectronic device applications
R Chakraborty, U Das, D Mohanta, A Choudhury
Indian Journal of Physics 83, 553-558, 2009
292009
Directed growth characteristics and optoelectronic properties of Eu-doped ZnO nanorods and urchins
S Bayan, D Mohanta
Journal of Applied Physics 108 (2), 2010
242010
ZnO based triboelectric nanogenerator on textile platform for wearable sweat sensing application
B Baro, S Khimhun, U Das, S Bayan
Nano Energy 108, 108212, 2023
182023
N-Iodosuccinimide An effective reagent for regioselective heterocyclization of o-cyclohex-2′-enylanilines for the synthesis of hexahydrocarbazoles
KC Majumdar, UK Kundu, U Das, NK Jana, B Roy
Canadian journal of chemistry 83 (1), 63-67, 2005
152005
Effect of structure and concentration of polymer, metal ion and pH of the medium on the fluorescence characteristics of hyperbranched polyamines
SS Mahapatra, U Das, N Karak
Journal of luminescence 128 (12), 1917-1921, 2008
142008
Regioselective Synthesis of 6H-Pyrano [3, 2-e] Pyrimidine-2, 4-Dione
KC Majumdar, U Das
Synthetic communications 27 (22), 4013-4019, 1997
141997
Evolution of ZnO nanoparticles and nanorods: aspect ratio dependent optoelectronic properties
U Das, D Mohanta
The European Physical Journal-Applied Physics 53 (1), 10602, 2011
122011
Evolution of ZnO nanoparticles and nanorods: aspect ratio dependent optoelectronic properties
U Das, D Mohanta
The European Physical Journal-Applied Physics 53 (1), 10602, 2011
122011
Synthesis of 1-alkoxy-1,2,3,4-tetra-hydrocarbazoles by mercury(II) mediated heterocyclization of 2-cyclohex-2′-enyl-N-alkylanilines
KC Majumdar, U Das
Canadian journal of chemistry 74 (8), 1592-1596, 1996
111996
J Org Chem 63: 9997; b) Majumdar KC
KC Majumdar, U Das
Das U, Jana NK (1998) J Org Chem 63, 3550, 1998
101998
Au decorated ultrathin WS2-based single-electrode triboelectric nanogenerator for flexible self-powered photodetector
T Chekke, R Narzary, S Ngadong, B Satpati, S Bayan, U Das
Sensors and Actuators A: Physical 349, 114076, 2023
92023
Regioselective synthesis of pyrimidine annelated heterocycles from 6-(cyclohex-2-enyl)-1, 3-dimethyl-5-hydroxyuracil
KC Majumdar, U Das, UK Kundu, A Bandyopadhyay
Tetrahedron 57 (32), 7003-7007, 2001
82001
Peacock feather supported self assembled ZnO nanostructures for tuning photonic properties
S Bayan, U Das, D Mohanta
The European Physical Journal D 61 (2), 463-468, 2011
72011
Nocturnal man-biting mosquitoes of urban and rural areas
UP Das, AK Hati, AB Chowdhury
Bulletin of the Calcutta School of Tropical Medicine 19 (4), 80-83, 1971
71971
Synthesis of Carbazoles from O-Cyclohex-2-enyl-anilines.
KC Majumdar, U Das, AK Kundu
Synthetic communications 28 (9), 1593-1600, 1998
61998
2D WS2-Based Single-Electrode Triboelectric Nanogenerator for Power Generation and Motion Sensing
T Chekke, R Narzary, S Ngadong, B Satpati, S Bayan, U Das
Journal of Electronic Materials 52 (4), 2685-2694, 2023
52023
Studies on Sigmatropic Rearrangements: Regioselective Synthesis of Coumarins, Quinolones and Thiocoumarins with 3, 4‐Fused Pyran or Furan Ring Systems by Claisen Rearrangement
KC Majumdar, U Das
ChemInform 30 (2), no-no, 1999
51999
Flexible triboelectric nanogenerators of Au-g-C3N4/ZnO hierarchical nanostructures for machine learning enabled body movement detection
SP Das, R Bhuyan, B Baro, U Das, R Sharma, S Bayan
Nanotechnology 34 (44), 445501, 2023
32023
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