Singh VK - Search Results

1

Enantioselective Synthesis of Spirooxindole-Pyran and Furan Scaffolds via Copper-Catalyzed Formal (3+3) and (3+2) Cycloaddition of Isatin-Derived Propargylic Esters.

Rohilla S, Ahmad Khan Z, Singh VK. Rohilla S, et al. Among authors: singh vk. Chemistry. 2024 Dec 12:e202404005. doi: 10.1002/chem.202404005. Online ahead of print. Chemistry. 2024. PMID: 39665634

2

Copper-Catalyzed Asymmetric Propargylic [3 + 2] Cycloaddition: Synthesis of Enantioenriched Dihydrofuro[3,2-c]coumarins and its Quinolinone and Thiocoumarin Analogues.

Rohilla S, Shah S, Singh VK. Rohilla S, et al. Among authors: singh vk. Org Lett. 2023 May 26;25(20):3733-3738. doi: 10.1021/acs.orglett.3c01198. Epub 2023 May 16. Org Lett. 2023. PMID: 37192010

3

Silver-Catalyzed Asymmetric Double Desymmetrization via Vinylogous Michael Addition of Prochiral α,α-Dicyanoalkenes to Cyclopentendiones.

Choudhary K, Joshi H, Rohilla S, Singh VK. Choudhary K, et al. Among authors: singh vk. Chemistry. 2024 Apr 5;30(20):e202304078. doi: 10.1002/chem.202304078. Epub 2024 Feb 20. Chemistry. 2024. PMID: 38311856

4

Synthesis of Spiroisoindolinones via Ru(II)-Catalyzed Spiroannulation of N-Acyl Ketimines with Aryl Isocyanates/Isothiocyanates through Aromatic C-H Bond Activation.

Khan ZA, Singh VK. Khan ZA, et al. Among authors: singh vk. J Org Chem. 2023 Dec 15;88(24):17438-17449. doi: 10.1021/acs.joc.3c02275. Epub 2023 Dec 5. J Org Chem. 2023. PMID: 38053308

5

Enantioselective Synthesis of Thiazolopyran Derivatives via a Direct Vinylogous Michael-oxa-Michael Sequence.

Manna A, Rohilla S, Singh VK. Manna A, et al. Among authors: singh vk. Org Lett. 2024 Jan 12;26(1):280-285. doi: 10.1021/acs.orglett.3c03971. Epub 2023 Dec 21. Org Lett. 2024. PMID: 38127653

6

Asymmetric Organocatalytic Diels-Alder Reaction of Olefinic Azlactones with Unsaturated Thiazolones: Access to Spirocyclohexenone Thiazolone Skeletons.

Khan ZA, Singh VK. Khan ZA, et al. Among authors: singh vk. J Org Chem. 2024 Oct 18;89(20):15271-15281. doi: 10.1021/acs.joc.4c02088. Epub 2024 Oct 10. J Org Chem. 2024. PMID: 39387656

7

Enantioselective Dearomative [4+2] Cycloaddition Reaction of 1-Naphthols with In-Situ Generated ortho-Quinone Methides.

Ranjan Sahoo S, Gupta K, Singh VK. Ranjan Sahoo S, et al. Among authors: singh vk. Chemistry. 2023 Dec 11;29(69):e202302707. doi: 10.1002/chem.202302707. Epub 2023 Oct 24. Chemistry. 2023. PMID: 37708402

8

Enantioselective Tandem Oxidation/Michael-Aldol Approaches to Tetrasubstituted Cyclohexanes.

Rana NK, Joshi H, Jha RK, Singh VK. Rana NK, et al. Among authors: singh vk. Chemistry. 2017 Feb 10;23(9):2040-2043. doi: 10.1002/chem.201605999. Epub 2017 Jan 20. Chemistry. 2017. PMID: 28012254

9

Chiral Brønsted Acid Catalyzed Enantioselective Synthesis of Spiro-Isoindolinone-Indolines via Formal [3 + 2] Cycloaddition.

Unhale RA, Sadhu MM, Singh VK. Unhale RA, et al. Among authors: singh vk. Org Lett. 2022 May 13;24(18):3319-3324. doi: 10.1021/acs.orglett.2c00748. Epub 2022 May 4. Org Lett. 2022. PMID: 35507765

10

(R)-DM-SEGPHOS-Ag(I)-Catalyzed Enantioselective Synthesis of Pyrrolidines and Pyrrolizidines via (1,3)- and Double (1,3)-Dipolar Cycloaddition Reactions.

Ray SK, Biswas RG, Suneja A, Sadhu MM, Singh VK. Ray SK, et al. Among authors: singh vk. J Org Chem. 2018 Feb 16;83(4):2293-2308. doi: 10.1021/acs.joc.7b03185. Epub 2018 Feb 1. J Org Chem. 2018. PMID: 29364672

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