Babu KN - Search Results

1

Highly chemoselective synthesis of dimeric 2-oxindoles with a C-3/C-5' linkage via Friedel-Crafts alkylations of 2-oxindoles with 3-hydroxy-2-oxindoles.

Babu KN, Kinthada LK, Ghosh S, Bisai A. Babu KN, et al. Org Biomol Chem. 2015 Nov 21;13(43):10641-55. doi: 10.1039/c5ob01670c. Org Biomol Chem. 2015. PMID: 26340696

2

Friedel-Crafts alkylations of electron-rich aromatics with 3-hydroxy-2-oxindoles: scope and limitations.

Kinthada LK, Ghosh S, Babu KN, Sharique M, Biswas S, Bisai A. Kinthada LK, et al. Among authors: babu kn. Org Biomol Chem. 2014 Nov 7;12(41):8152-73. doi: 10.1039/c4ob01264j. Epub 2014 Sep 2. Org Biomol Chem. 2014. PMID: 25179466

3

FeCl₃-Catalyzed Allylation Reactions onto 3-Hydroxy-2-oxindoles: Formal Total Syntheses of Bis-cyclotryptamine Alkaloids, (±)-Chimonanthine, and (±)-Folicanthine.

Kinthada LK, Medisetty SR, Parida A, Babu KN, Bisai A. Kinthada LK, et al. Among authors: babu kn. J Org Chem. 2017 Aug 18;82(16):8548-8567. doi: 10.1021/acs.joc.7b01232. Epub 2017 Aug 7. J Org Chem. 2017. PMID: 28718647

4

An expeditious route to the synthesis of the enantioenriched tetracyclic core of ergot alkaloids via an organocatalytic aldol reaction.

Bhunia S, Chaudhuri S, De S, Babu KN, Bisai A. Bhunia S, et al. Among authors: babu kn. Org Biomol Chem. 2018 Apr 4;16(14):2427-2437. doi: 10.1039/C7OB03069J. Org Biomol Chem. 2018. PMID: 29556598

5

Cu(ii)-^tBu-PHOX catalyzed enantioselective malonate addition onto 3-hydroxy 2-oxindoles: application in the synthesis of dimeric pyrroloindoline alkaloids.

Babu KN , Kinthada LK , Pratim Das P , Bisai A . Babu KN , et al. Chem Commun (Camb). 2018 Jul 12;54(57):7963-7966. doi: 10.1039/c8cc04338h. Chem Commun (Camb). 2018. PMID: 29956704

6

The catalytic decarboxylative allylation of enol carbonates: the synthesis of enantioenriched 3-allyl-3'-aryl 2-oxindoles and the core structure of azonazine.

Babu KN, Pal S, Khatua A, Roy A, Bisai A. Babu KN, et al. Org Biomol Chem. 2021 Dec 22;20(1):127-131. doi: 10.1039/d1ob02048j. Org Biomol Chem. 2021. PMID: 34897364

7

Thiourea-Catalyzed Enantioselective Malonate Addition onto 3-Sulfonyl-3'-indolyl-2-oxindoles: Formal Total Syntheses of (-)-Chimonanthine, (-)-Folicanthine, and (+)-Calycanthine.

Babu KN, Roy A, Singh M, Bisai A. Babu KN, et al. Org Lett. 2018 Oct 19;20(20):6327-6331. doi: 10.1021/acs.orglett.8b02327. Epub 2018 Oct 9. Org Lett. 2018. PMID: 30299963

8

Reactions of 3-(1-Hydroxyalkyl)phthalides with Acids: Synthesis of (Z)-3-Alkylidenephthalides and 3-Alkyl-8-hydroxyisocoumarins.

Mali RS, Babu KN. Mali RS, et al. Among authors: babu kn. J Org Chem. 1998 Apr 17;63(8):2488-2492. doi: 10.1021/jo971622e. J Org Chem. 1998. PMID: 11672109

9

Sequential Selective C-H and C(sp³ )-⁺ P Bond Functionalizations: An Entry to Bioactive Arylated Scaffolds.

Babu KN, Massarwe F, Shioukhi I, Masarwa A. Babu KN, et al. Angew Chem Int Ed Engl. 2021 Dec 6;60(50):26199-26209. doi: 10.1002/anie.202111164. Epub 2021 Nov 3. Angew Chem Int Ed Engl. 2021. PMID: 34618394

10

Unsymmetrical 1,1-Bisboryl Species: Valuable Building Blocks in Synthesis.

Babu KN, Massarwe F, Reddy R, Eghbarieh N, Jakob M, Masarwa A. Babu KN, et al. Molecules. 2020 Feb 20;25(4):959. doi: 10.3390/molecules25040959. Molecules. 2020. PMID: 32093409 Free PMC article. Review.

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