Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Asha Budakoti"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 17, Iss 1, Pp 932-963 (2021)
Functionalized tetrahydropyran (THP) rings are important building blocks and ubiquitous scaffolds in many natural products and active pharmaceutical ingredients (API). Among various established methods, the Prins reaction has emerged as a powerful te
Externí odkaz:
https://doaj.org/article/dfb1ac9cc28d40fbafad4db6a5346b7a
Publikováno v:
Molbank, Vol 2009, Iss 3, p M614 (2009)
Reaction of dibenzalacetone with hydrazine hydrate and formic acid yielded a novel 2-pyrazoline 1, characterized by ESI-MS, FT-IR, UV, 1HNMR and 13CNMR data and microanalysis.
Externí odkaz:
https://doaj.org/article/d15b827e809e4a6e8003a74f8db7ce51
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 17, Iss 1, Pp 932-963 (2021)
Beilstein Journal of Organic Chemistry
Beilstein Journal of Organic Chemistry
Functionalized tetrahydropyran (THP) rings are important building blocks and ubiquitous scaffolds in many natural products and active pharmaceutical ingredients (API). Among various established methods, the Prins reaction has emerged as a powerful te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b05fc55a9935a510555d0db9a172c5ba
https://doaj.org/article/dfb1ac9cc28d40fbafad4db6a5346b7a
https://doaj.org/article/dfb1ac9cc28d40fbafad4db6a5346b7a
Publikováno v:
Organic Chemistry Frontiers. 5:2610-2614
α-Arylation of ketones with electron rich arenes via sp2(C)–H has been achieved by the reaction of α-phenylselanylketones using organic photoredox catalysis. The reaction proceeds via an α-methylene ketone radical generated by sp3(C)–SePh acti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c880b9f074481b92fbd80f196767ea5
https://doi.org/10.1039/c8qo00510a
https://doi.org/10.1039/c8qo00510a
Publikováno v:
Tetrahedron Letters. 51:2975-2978
Synthesis of optically pure 2,3,4-trisubstituted tetrahydrofurans is described employing a two-step Michael-Evans aldol cyclization strategy. The approach is successfully applied for the total synthesis of furano lignan natural product (+)-magnolone.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::384ba88ad70fe5d7db22f3c5dd7c4e77
https://doi.org/10.1016/j.tetlet.2010.03.111
https://doi.org/10.1016/j.tetlet.2010.03.111
Publikováno v:
European Journal of Medicinal Chemistry. 44:1317-1325
In an effort to develop potent antiamoebic agents, we have synthesized chalcones ( 1 – 8 ), amino-5-substituted-(3-phenyl(2-pyrazolinyl))methane-1-thione derivatives ( 1a – 8a ) and 2-(5-substituted-3-phenyl-2-pyrazolinyl)-1,3-thiazolino[5,4- b ]
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3710a37e3cb3e2fecc399b5a153609f9
https://doi.org/10.1016/j.ejmech.2008.02.002
https://doi.org/10.1016/j.ejmech.2008.02.002
Publikováno v:
European Journal of Medicinal Chemistry. 42:544-551
Reaction of neutral NS bidentate ligands, 1-N-substituted thiocarbamoyl-3,5-diphenyl-2-pyrazolines, isolated by cyclization of chalcone with N-4-substituted thiosemicarbazide of aromatic amines (1-8), with [Pd(DMSO)(2)Cl(2)] (DMSO=dimethylsulfoxide)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc85220fd743fda3263797bc787435f1
https://doi.org/10.1016/j.ejmech.2006.10.011
https://doi.org/10.1016/j.ejmech.2006.10.011
Publikováno v:
ChemInform. 41
A concise method is developed and the product (IIIb) is used as starting material for the total synthesis of (+)-magnolone (IV).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a4b41883fb699642e05ceac2d58c4aa
https://doi.org/10.1002/chin.201038109
https://doi.org/10.1002/chin.201038109
Publikováno v:
Molbank, Vol 2009, Iss 3, p M614 (2009)
Reaction of dibenzalacetone with hydrazine hydrate and formic acid yielded a novel 2-pyrazoline 1 , characterized by ESI-MS, FT-IR, UV, 1 HNMR and 13 CNMR data and microanalysis. Keywords: dibenzalacetone; hydrazine hydrate; pyrazoline; 5-phenyl-3-[(
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d6809eee2465d9d3339114d18434b1d
http://www.mdpi.com/1422-8599/2009/3/M614/
http://www.mdpi.com/1422-8599/2009/3/M614/
Publikováno v:
ChemInform. 39
A variety of 3-(3-bromo phenyl)-5-phenyl-1-(thiazolo [4,5-b] quinoxaline-2-yl)-2-pyrazoline were obtained by the refluxing of 1-N-thiocarbamoyl 3,5-diphenyl-2-pyrazoline with 2,3-dichloroquinoxaline. The chemical structures of the compounds were eluc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b958aa33332aea5f511833a85975efb4
https://doi.org/10.1002/chin.200852168
https://doi.org/10.1002/chin.200852168