Indrajit Karmakar

Development of a Water-Mediated and Catalyst-Free Green Protocol for Easy Access to a Huge Array of Diverse and Densely Functionalized Pyrido[2,3-<i>d</i>:6,5-<i>d</i>′]dipyrimidines via One-Pot Multicomponent Reaction under Ambient Conditions

Goutam Brahmachari, Khondekar Nurjamal, Indrajit Karmakar et al. · ACS Sustainable Chemistry & Engineering · 2017 · 61 citations

Engineering, Green Chemistry, Organic Chemistry +19

Visible Light-Induced and Singlet Oxygen-Mediated Photochemical Conversion of 4-Hydroxy-α-benzopyrones to 2-Hydroxy-3-oxo-2,3-dihydrobenzofuran-2-carboxamides/carboxylates Using Rose Bengal as a Photosensitizer

Goutam Brahmachari, Indrajit Karmakar · The Journal of Organic Chemistry · 2020 · 61 citations

Chemical Engineering, Engineering, Photoredox Process +15

Visible Light-Driven and Singlet Oxygen-Mediated Photochemical Cross-Dehydrogenative C₃–H Sulfenylation of 4-Hydroxycoumarins with Thiols Using Rose Bengal as a Photosensitizer

Goutam Brahmachari, Anindita Bhowmick, Indrajit Karmakar · The Journal of Organic Chemistry · 2021 · 56 citations

Ultrasound-Assisted Expedient and Green Synthesis of a New Series of Diversely Functionalized 7-Aryl/heteroarylchromeno[4,3-<i>d</i>]pyrido[1,2-<i>a</i>]pyrimidin-6(7<i>H</i>)-ones via One-Pot Multicomponent Reaction under Sulfamic Acid Catalysis at Ambient Conditions

Goutam Brahmachari, Indrajit Karmakar, Khondekar Nurjamal · ACS Sustainable Chemistry & Engineering · 2018 · 52 citations

Engineering, Energy Efficiency, Organic Chemistry +17

Ultrasound-Promoted Expedient and Green Synthesis of Diversely Functionalized 6-Amino-5-((4-hydroxy-2-oxo-2<i>H</i>-chromen-3-yl)(aryl)methyl)pyrimidine-2,4(1<i>H</i>,3<i>H</i>)-diones via One-Pot Multicomponent Reaction under Sulfamic Acid Catalysis at Ambient Conditions

Goutam Brahmachari, Mullicka Mandal, Indrajit Karmakar et al. · ACS Sustainable Chemistry & Engineering · 2019 · 50 citations

Engineering, Green Chemistry, Organic Chemistry +19