Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Deb K. Das"'
Autor:
Nandita Mandal, Sujan Adak, Deb K. Das, Rabi N. Sahoo, Joydeep Mukherjee, Andy Kumar, Viswanathan Chinnusamy, Bappa Das, Arkadeb Mukhopadhyay, Hosahatti Rajashekara, Shalini Gakhar
Publikováno v:
Frontiers in Plant Science, Vol 14 (2023)
Rice is the staple food of more than half of the population of the world and India as well. One of the major constraints in rice production is frequent occurrence of pests and diseases and one of them is rice blast which often causes yield loss varyi
Externí odkaz:
https://doaj.org/article/0acec55d573949c4b626a60661e40ff9
Autor:
NANDITA MANDAL, DEB K. DAS, RABI N. SAHOO, SUJAN ADAK, A. KUMAR, C. VISWANATHAN, J. MUKHERJEE, H. RAJASHEKARA, RAJEEV RANJAN, B. DAS
Publikováno v:
Journal of Agrometeorology, Vol 24, Iss 3 (2022)
Remote sensing is being increasingly used in stress management in different agricultural practices. It is useful for real time analysis for crop stress which is not possible for visual observation alone. Rice blast caused by fungus Pyricularia Oryzae
Externí odkaz:
https://doaj.org/article/c3490d9da056444db95aff4cfaeb97a8
Publikováno v:
The Journal of Organic Chemistry. 86:4432-4439
The mechanism of N-heterocyclic carbene-catalyzed umpolung of β,γ-unsaturated α-diketone was studied using both density functional theory (DFT) calculations and experimental methods. In contrast to the originally proposed mechanism, the calculatio
Autor:
Deb K. Das, Arunachalam Sagadevan, V. Kishore Kumar Pampana, Chun-Cheng Lin, Vaibhav Pramod Charpe, Jih Ru Hwu, Kuo Chu Hwang
Publikováno v:
Green Chemistry. 23:3569-3574
We report the first literature example using visible light-induced trimethylsilyl azide (TMS-N3)-assisted copper-catalyzed oxy-sulfonylation of terminal CC bonds to form β-keto sulfones (C–S bond formation). TMS-N3 promotes the reaction by facilit
Publikováno v:
Chemical Science
Controlled oxidation of the terminal C 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0
Publikováno v:
Ecological Engineering. 86:154-161
The present investigation is an attempt to convert organic wastes like water hyacinth, paddy straw and sawdust to organic manure through vermicomposting by Eisenia foetida together with the help of some beneficial microbes such as Trichoderma viride
Publikováno v:
Synthesis. 47:2745-2755
A wide variety of substituted exo -hexahydro-1 H -chromeno[3,4- h ][1,6]naphthyridine-3-carboxylate derivatives have been synthesized from 3-aminocoumarins, aldehydes, and 5,6-unsubstituted 1,4-dihydropyridine derivatives in the presence of 10 mol% o
Publikováno v:
Tetrahedron Letters. 56:2412-2415
The synthesis of 4-phenacylidene flavenes (3) was accomplished by a one-pot pseudo three-component condensation reaction between salicylaldehydes and acetophenones in the presence of 20 mol % of bromodimethylsulfonium bromide (BDMS) in acetonitrile a
Publikováno v:
Synthesis. 47:1109-1116
Fused pyrido[2,3- c ]coumarin derivatives were prepared by an intramolecular Povarov reaction of 2-(propagyloxy)benzaldehydes with 3-aminocoumarins in the presence of 10 mol% of triflic acid as a catalyst in refluxing acetonitrile. Among the advantag
Publikováno v:
RSC Advances. 5:79759-79764
The unsymmetrical ether derivatives 1-(alkoxy(aryl)methyl)naphthalen-2-ols (3a–q) were synthesized from 1-(aryl(alkyl/arylthio)methyl)-naphthalene-2-ol derivatives (1) and alcohols (2) by cleavage of C–S bond using bromodimethylsulfonium bromide