Search Results - "Parida, Chandrakanta"

Organocatalytic asymmetric Michael/acyl transfer reaction between α-nitroketones and 4-arylidenepyrrolidine-2,3-diones by Parida, Chandrakanta, Pan, Subhas Chandra

“…An organocatalytic asymmetric Michael/acyl transfer reaction between α-nitroketones and 4-arylidenepyrrolidine-2,3-diones is reported. A bifunctional thiourea…”
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Organocatalytic Synthesis of Furan-Embedded Styrene Atropisomers by Parida, Chandrakanta, Pan, Subhas Chandra

“…Herein, we report the first synthesis of furan-embedded styrene atropisomers via the reaction between 1-(aryl-ethynyl)-naphthalen-2-ol and γ-hydroxyenone. The…”
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Catalytic Asymmetric Dearomatization of 2,3-Disubstituted Indoles by a 4 + 2 Cycloaddition Reaction with In Situ Generated Vinylidene ortho-Quinone Methides: Access to Polycyclic Fused Indolines by Shikari, Amit, Parida, Chandrakanta, Chandra Pan, Subhas

“…A protocol of enantioselective dearomatization of 2,3-disubstituted indoles by an organocatalytic intermolecular (4 + 2) cycloaddition reaction with in situ…”
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Organocatalytic Synthesis of 2,3,4,9‐Tetrahydro‐1 H ‐carbazole Embedded Styrene Atropisomers by Parida, Chandrakanta, Devi, Minakshi, Chandra Pan, Subhas

“…Herein we report the first synthesis of tetrahydrocarbazole embedded styrene atropisomers via the reaction between 1‐(aryl‐ethynyl)‐naphthalen‐2‐ol and…”
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Organocatalytic Asymmetric Addition of Aromatic α‑Cyanoketones to o‑Quinone Methides: Synthesis of 3,4-Dihydrocoumarins and Tetrasubstituted Chromans by Gharui, Chandan, Parida, Chandrakanta, Pan, Subhas Chandra

“…The first organocatalytic asymmetric addition of aromatic α-cyanoketones to in situ-generated o-quinone methides has been developed. The products…”
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Catalytic Asymmetric Dearomatization of 2,3-Disubstituted Indoles by a [4 + 2] Cycloaddition Reaction with In Situ Generated Vinylidene ortho-Quinone Methides: Access to Polycyclic Fused Indolines by Shikari, Amit, Parida, Chandrakanta, Chandra Pan, Subhas

“…A protocol of enantioselective dearomatization of 2,3-disubstituted indoles by an organocatalytic intermolecular (4 + 2) cycloaddition reaction with in situ…”
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Organocatalytic Asymmetric Synthesis of Spirooxindole Embedded Oxazolidines by Parida, Chandrakanta, Mondal, Buddhadeb, Ghosh, Animesh, Pan, Subhas Chandra

“…The first organocatalytic asymmetric synthesis of spirooxindole embedded oxazolidines has been developed via a domino reaction involving hemiaminal formation,…”
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Organocatalytic Synthesis of 2,3,4,9‐Tetrahydro‐1H‐carbazole Embedded Styrene Atropisomers by Parida, Chandrakanta, Devi, Minakshi, Pan, Subhas Chandra

“…Herein we report the first synthesis of tetrahydrocarbazole embedded styrene atropisomers via the reaction between 1‐(aryl‐ethynyl)‐naphthalen‐2‐ol and…”
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Organocatalytic Asymmetric Domino [3+2]-Cycloaddition-Acyl Transfer Reaction between Azomethine Ylides and α-Nitro-α,β-Unsaturated Ketones by Sahoo, Subas Chandra, Parida, Chandrakanta, Pan, Subhas Chandra

“…Here in we have developed an organocatalytic asymmetric domino [3+2]-cycloaddition-acyl transfer reaction between in situ generated azomethine ylides and…”
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Organocatalytic Asymmetric Dearomatization Reaction for the Construction of Axially Chiral Urazole Embedded Naphthalenones by Parida, Chandrakanta, Dave, Siddharth K., Das, Kousik, Chandra Pan, Subhas

“…Herein we disclose a catalytic asymmetric dearomatization reaction of β‐naphthols with 4‐aryl‐1,2,4‐triazole‐3,5‐diones. A chiral phosphoric acid with spiro…”
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α‑Nitro-α,β-Unsaturated Ketones: An Electrophilic Acyl Transfer Reagent in Catalytic Asymmetric Friedel–Crafts and Michael Reactions by Parida, Chandrakanta, Maity, Rajendra, Chandra Sahoo, Subas, Chandra Pan, Subhas

“…Herein, we introduce α-nitro-α,β-unsaturated ketones as efficient electrophilic acyl transfer reagents, and they were employed in Friedel–Crafts as well as in…”
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Organocatalytic Asymmetric Ene Reactions by Balha, Megha, Parida, Chandrakanta, Chandra Pan, Subhas

“…This review article summarizes the recent developments of organocatalytic asymmetric ene reactions. Ene reaction is one of the most useful methods for the…”
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