Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Naresh Ramireddy"'
Publikováno v:
Journal of Heterocyclic Chemistry. 54:677-691
Optically active 2-amino-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylates, 2-amino-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitriles, and 2-amino-8-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitriles were synthesized. Using cinchona alkaloid-der
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3df178eec90efc7b254a444eca1e00fc
https://doi.org/10.1002/jhet.2641
https://doi.org/10.1002/jhet.2641
Publikováno v:
Advanced Synthesis & Catalysis. 357:2633-2638
A highly efficient stereoselective method for the synthesis of functionalized spirooxindole derivatives with four contiguous stereogenic centers, including two adjacent quaternary stereogenic centers, was realized through an organocatalytic tandem Mi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e4116d3b77ded381fd0a99e0c0827dd
https://doi.org/10.1002/adsc.201500298
https://doi.org/10.1002/adsc.201500298
Autor:
Naresh Ramireddy, John C.-G. Zhao
Publikováno v:
Tetrahedron Letters. 55:706-709
The base-catalyzed reaction between isatins and N -Boc-3-pyrrolin-2-one yields Morita–Baylis–Hillman (MBH) adducts instead of the expected aldol products in good to high yields (up to 97%). Various organic and inorganic bases are efficient cataly
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::348ccaf0aab5f91044e638b1c2fe3bfa
https://doi.org/10.1016/j.tetlet.2013.11.118
https://doi.org/10.1016/j.tetlet.2013.11.118
Publikováno v:
ChemInform. 47
A highly efficient stereoselective method for the synthesis of functionalized spirooxindole derivatives with four contiguous stereogenic centers, including two adjacent quaternary stereogenic centers, was realized through an organocatalytic tandem Mi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b050eb3f96979a78bf17b03564badc18
https://doi.org/10.1002/chin.201601100
https://doi.org/10.1002/chin.201601100
Publikováno v:
Tetrahedron Letters. 52:6792-6795
The organocatalyzed enantioselective synthesis of biologically active 2-amino-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylate derivatives was achieved using bifunctional cinchona alkaloids as the catalysts. Using quinine thiourea as the catalyst,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07b9aa6443864264f9a10a174667dd69
https://doi.org/10.1016/j.tetlet.2011.10.040
https://doi.org/10.1016/j.tetlet.2011.10.040
Autor:
John C.-G. Zhao, Naresh Ramireddy
Publikováno v:
ChemInform. 45
The base-catalyzed reaction between isatins and N-Boc-3-pyrrolin-2-one yields Morita—Baylis—Hillman (MBH) adducts instead of the expected aldol products.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::610570969a5c90ffa63d51e908cb431d
https://doi.org/10.1002/chin.201426116
https://doi.org/10.1002/chin.201426116
Publikováno v:
ChemInform. 43
Condensation of cyclic 1,3-diones with alkylidene cyanoacetates in the presence of the quinine-based thiourea renders possible the preparation of various biologically interesting benzopyran structures.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e4f5c27e52eee47749b3879ee4a3608
https://doi.org/10.1002/chin.201215135
https://doi.org/10.1002/chin.201215135
Publikováno v:
Advanced Synthesis & Catalysis. 357:3390-3390
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef0b15a72396be4a7d6a83c75f26abd6
https://doi.org/10.1002/adsc.201500915
https://doi.org/10.1002/adsc.201500915