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Utilization of methanol for condensation interrupted chemoselective transfer hydrogenation of CC, CO, and CN bonds under low catalyst loading

Autor: Anirban Sau, Divya Mahapatra, Sadhan Dey, Dibyajyoti Panja, Saghnik Saha, Sabuj Kundu

Publikováno v: Organic Chemistry Frontiers. 10:2274-2286

Selective transfer hydrogenation (TH) of unsaturated molecules using methanol is challenging as the in situ generated formaldehyde is prone to react with the active methylene (C-methylation) or amine (N-methylation) core of the desired product.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d37fda321e145c1dcccaee8214ad9dc
https://doi.org/10.1039/d3qo00308f

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Well-Defined Phosphine-Free Manganese(II)-Complex-Catalyzed Synthesis of Quinolines, Pyrroles, and Pyridines

Autor: Ankur Maji, Shivangi Gupta, Milan Maji, Sabuj Kundu

Publikováno v: The Journal of Organic Chemistry. 87:8351-8367

Herein, we report a simple, phosphine-free, and inexpensive catalytic system based on a manganese(II) complex for synthesizing different important N-heterocycles such as quinolines, pyrroles, and pyridines from amino alcohols and ketones. Several con

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5d5e1cea9ff35995fb291eb0f94eb6b
https://doi.org/10.1021/acs.joc.2c00167

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Tandem synthesis of N-methylated tertiary amines via three-component coupling of carbonyl compounds, amines, and methanol

Autor: Ishani Borthakur, Sameer Srivastava, Saloni Kumari, Sabuj Kundu

Publikováno v: Chemical Communications. 58:9822-9825

Synthesis of N-methylated tertiary amines by three-component coupling of carbonyl compounds, amines, and methanol following a tandem reductive amination/N-methylation is reported.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5adcf18cbee50e9ebb3e6596a15cc756
https://doi.org/10.1039/d2cc03115a

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In-depth experimental and theoretical investigations on Co-SAC catalyzed transfer hydrogenation of azo compounds using methanol and ethanol

Autor: Dibyajyoti Panja, Divya Mahapatra, Sadhan Dey, Rohini Saha, Rajib Sahu, Gourab Kanti Das, Sabuj Kundu

Transfer hydrogenation of non-polar bond using methanol or ethanol such hydrogen source is of great challenge, and development of efficient catalyst for performing such challenging reactions always an exciting area to explore. Herein, using Co-SAC va

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::82c7045a2ffe7931d47bcd824ff745b9
https://doi.org/10.26434/chemrxiv-2023-vsfhk

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Utilization of caffeine carbon supported cobalt catalyst in the tandem synthesis of pyrroles from nitroarenes and alkenyl diols

Autor: Partha Dhara, Sabuj Kundu, Raju Kumar Gupta, Dibyajyoti Panja, Anirban Sau, Bhuvaneshwari Balasubramaniam

Publikováno v: Journal of Catalysis. 402:244-254

Employing bio-waste caffeine carbon-supported heterogeneous cobalt catalyst, synthesis of various substituted pyrrole derivatives is reported. In this methodology, pyrroles were synthesized through coupling between nitroarenes and alkenyl diols in a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::121dc7ddc1f91e69a4ce9a7a24456f6c
https://doi.org/10.1016/j.jcat.2021.08.020

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