Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Tharun K. Kotammagari"'
Autor:
Tharun K. Kotammagari, Sweta Misra, Sayantan Paul, Sunita Kunte, Rajesh G. Gonnade, Manas K. Santra, Asish K. Bhattacharya
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 19, Iss 1, Pp 204-211 (2023)
The total synthesis of racemic incarvilleatone has been achieved by utilizing unexplored accelerated Rauhut–Currier (RC) dimerization. The other key steps of the synthesis are oxa-Michael and aldol reactions in a tandem sequence. Racemic incarville
Externí odkaz:
https://doaj.org/article/fd5c7a08e0004b18b5e458313a587f53
Publikováno v:
ACS Omega, Vol 4, Iss 27, Pp 22549-22556 (2019)
Externí odkaz:
https://doaj.org/article/9509f94fe0fd4a90b7612f546cbf2c6b
Autor:
Tharun K Kotammagari, Sweta Misra, Sayantan Paul, Sunita Kunte, Rajesh G Gonnade, Manas K Santra, Asish K Bhattacharya
The total synthesis of racemic incarvilleatone has been achieved by utilizing unexplored accelerated Rauhut-Currier (RC) dimerization. The other key steps of the synthesis are oxa-Michael and aldol reactions in a tandem sequence. Racemic incarvilleat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8510264464cb588f868df2b91bd5d825
https://doi.org/10.3762/bxiv.2022.87.v1
https://doi.org/10.3762/bxiv.2022.87.v1
Publikováno v:
ACS Omega, Vol 4, Iss 27, Pp 22549-22556 (2019)
(−)-5-Hydroxygoniothalamin, (−)-5-acetylgoniothalamin, and (+)-5-hydroxygoniothalamin, isolated from the Goniothalamus genus, are synthesized from triacetyl-O-d-glucal by employing the Ferrier reaction, Mitsunobu reaction, and Jones oxidation as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35c0ffbd7882175ee9aacc4c02360c33
https://doaj.org/article/9509f94fe0fd4a90b7612f546cbf2c6b
https://doaj.org/article/9509f94fe0fd4a90b7612f546cbf2c6b
Publikováno v:
New Journal of Chemistry. 43:4017-4021
Herein we describe the synthesis of artemisinin based glycoconjugates (9a–i) through employing a Cu(I)-catalysed reaction between β-propargylated dihydroartemisinin (7a) and azido sugars (8a–i), with moderate to excellent yields. Our synthesized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aaf48d1b295ee3b66435b75ac7ccee09
https://doi.org/10.1039/c8nj05737k
https://doi.org/10.1039/c8nj05737k
Autor:
Sayantan Paul, Manas Kumar Santra, Ganesh Kumar Barik, Asish K. Bhattacharya, Tharun K. Kotammagari
Publikováno v:
Organicbiomolecular chemistry. 18(12)
Glycoconjugates, due to their diverse functions, are widely regarded as biologically important molecules. Artemisinic acid 1 occurs naturally in the plant Artemisia annua and is considered to be the biogenetic precursor of the antimalarial drug, arte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d979b4c588934ab1469ee9bc3262620a
https://pubmed.ncbi.nlm.nih.gov/32149317
https://pubmed.ncbi.nlm.nih.gov/32149317
Publikováno v:
ACS Omega
(−)-5-Hydroxygoniothalamin, (−)-5-acetylgoniothalamin, and (+)-5-hydroxygoniothalamin, isolated from the Goniothalamus genus, are synthesized from triacetyl-O-d-glucal by employing the Ferrier reaction, Mitsunobu reaction, and Jones oxidation as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::a053eb44129a9907b0b9be5ed2d0bfc5
https://pubmed.ncbi.nlm.nih.gov/31909338
https://pubmed.ncbi.nlm.nih.gov/31909338
Publikováno v:
Tetrahedron Letters. 56:2783-2786
An efficient total synthesis of (+)-osmundalactone 1 has been achieved starting from readily available triacetyl-O-d-glucal 6 employing Ferrier rearrangement and Jones oxidation as key steps. Also, synthesis of 4-epi-(+)-osmundalactone 2 was accompli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74c24edaad025c76630b314202abc541
https://doi.org/10.1016/j.tetlet.2015.04.038
https://doi.org/10.1016/j.tetlet.2015.04.038
Publikováno v:
Organic letters. 19(13)
A one-pot biomimetic synthesis of (−)-angiopterlactone B and its enantiomer (+)-angiopterlactone B has been accomplished via TBAF-catalyzed tandem ring contraction followed by oxa-Michael/Michael addition sequence. Comparison of specific optical ro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::26c7fe171078e1bf50c94d31d7444d4b
https://pubmed.ncbi.nlm.nih.gov/28613899
https://pubmed.ncbi.nlm.nih.gov/28613899
Autor:
Tharun K. Kotammagari
Publikováno v:
Synlett. 25:1335-1336
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15ffce67b63c33a26b294e6501683088
https://doi.org/10.1055/s-0033-1341245
https://doi.org/10.1055/s-0033-1341245