Ajit C Kunwar
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Explore the profile of Ajit C Kunwar including associated specialties, affiliations and a list of published articles.
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Recent Articles
1.
Choudhury U, Mendhekar K, Kunwar A, Mohapatra D
J Org Chem
. 2022 Dec;
89(8):5219-5228.
PMID: 36480814
The first asymmetric total synthesis of (1,5,7)-cryptorigidifoliol G and (1,5,7)-cryptorigidifoliol G of the proposed natural product was achieved. The key steps in the synthesis involved Keck-Maruoka allylation, our own developed...
2.
Gaddam J, Reddy G, Marumudi K, Kunwar A, Yadav J, Mohapatra D
Org Biomol Chem
. 2019 May;
17(22):5601-5614.
PMID: 31119247
The first asymmetric total synthesis and stereochemical assignments of 10-membered macrolactones relgro and 10'-oxorelgro are disclosed. To this end, palladium-catalyzed Stille coupling, the Mitsunobu reaction, ring-closing metathesis, EDCI promoted coupling...
3.
Kanikarapu S, Marumudi K, Kunwar A, Yadav J, Mohapatra D
Org Lett
. 2017 Aug;
19(16):4167-4170.
PMID: 28762745
The first asymmetric total synthesis of two possible diastereomers (4S,5R)-4,8-dihydroxy-3,4-dihydrovernoniyne 5 and (4S,5S)-4,8-dihydroxy-3,4-dihydrovernoniyne 5a is accomplished. Salient features of the synthesis involve Cadiot-Chodkiewicz coupling and Sonogashira cross-coupling of terminal acetylenes....
4.
Maity S, Kanikarapu S, Marumudi K, Kunwar A, Yadav J, Mohapatra D
J Org Chem
. 2017 Apr;
82(9):4561-4568.
PMID: 28388091
The first asymmetric total synthesis of the putative structure of diplopyrone was achieved in 17 linear steps starting from cis-1,4-butene-diol. The synthetic route features iodine-catalyzed tandem isomerization followed by C-O...
5.
Thodupunuri P, Katukuri S, Ramakrishna K, Sharma G, Kunwar A, Sarma A, et al.
J Org Chem
. 2017 Jan;
82(4):2018-2031.
PMID: 28094944
Present study describes the synthesis and conformational analysis of β-peptides from C-linked carbo-β-amino acids [β-Caa] with a d-lyxo furanoside side chain and β-hGly in 1:1 alternation. NMR and CD investigations...
6.
Sharma G, Anjaiah G, Kanakaraju M, Sudhakar B, Chatterjee D, Kunwar A
Org Biomol Chem
. 2015 Oct;
14(2):503-515.
PMID: 26489370
The important role of side chains in the stabilization of helical folds in peptidic foldamers containing C-linked carbo-β-amino acids (β-Caa), an interesting class of β-amino acids, with carbohydrate side chains...
7.
Venkateswarlu A, Kanakaraju M, Kunwar A, Subba Reddy B
Org Biomol Chem
. 2015 Aug;
13(40):10212-5.
PMID: 26308943
Aldehydes undergo a smooth coupling with (E/Z)-non-3-en-8-yn-1-ol in the presence of 10 mol% of CuX and BF3·OEt2 under mild conditions to produce a novel class of octahydrocyclohepta[c]pyran-6(1H)-one derivatives in good...
8.
Sharma G, Yadav T, Marumudi K, Thodupunuri P, Reddy P, Kunwar A
Chem Asian J
. 2014 Sep;
9(11):3153-62.
PMID: 25179450
A new three-residue turn in β peptides nucleated by a 12/10-mixed helix is presented. In this design, β peptides were derived from the 1:1 alternation of C-linked carbo-β-amino acid ester...
9.
Sharma G, Venkateshwarlu G, Reddy P, Kunwar A
Chemistry
. 2014 Jul;
20(36):11428-38.
PMID: 25056860
In α-peptides, the 8/10 helix is theoretically predicted to be energetically unstable and has not been experimentally observed so far. Based on our earlier studies on 'helical induction' and 'hybrid...
10.
Sharma G, Kodeti S, Dutta S, Velaparthi S, Narsimulu K, Anjaiah G, et al.
Chemistry
. 2012 Nov;
18(50):16046-60.
PMID: 23111903
This study describes chirality- or template-mediated helical induction in achiral β-peptides for the first time. A strategy of end capping β-peptides derived from β-hGly (the smallest achiral β-amino acid) with...