Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Chinnasamy Ramaraj, Ramanathan"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 13, Iss 1, Pp 428-440 (2017)
An efficient and alternative synthetic approach has been developed to prepare various N-(arylethyl)piperazine-2,6-diones from 4-benzenesulfonyliminodiacetic acid and primary amines using carbonyldiimidazole in the presence of a catalytic amount of DM
Externí odkaz:
https://doaj.org/article/332f47d2ce9741cb883b4adcd4c0e07c
Autor:
Sheikh Haider Ali, Anita Sahani, Sumanta Pradhan, Chinnasamy Ramaraj Ramanathan, Ramana Sreenivasa Rao
Publikováno v:
Journal of Heterocyclic Chemistry. 58:1415-1428
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a156e4964e4270924ad3d582d7c7a023
https://doi.org/10.1002/jhet.4266
https://doi.org/10.1002/jhet.4266
Autor:
Savarimuthu Philip Anthony, Edwin Konikkara Abi, Chinnasamy Ramaraj Ramanathan, Nagamalla Someshwar, Muthupandi Karthick
Publikováno v:
Organic & Biomolecular Chemistry. 18:8653-8667
ortho-Quinone methides, very reactive transient intermediates, are utilized successfully in synthesizing complex organic molecules of natural and biological significance. Among several synthetic protocols, the acid catalyzed generation of ortho-quino
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3d2d1d7fcf7a36e4334ab3c367c97c4
https://doi.org/10.1039/d0ob01868f
https://doi.org/10.1039/d0ob01868f
Autor:
R. Padmanaban, Muthupandi Karthick, Chinnasamy Ramaraj Ramanathan, Kesa Venkatanna, Santhakumar Yeswanth Kumar
Publikováno v:
Organic & Biomolecular Chemistry. 17:4077-4086
A conformationally rigid chiral bicyclic skeleton tethered bipyridine–Zn(OTf)2 complex facilitated the enantioselective Friedel–Crafts alkylation of indoles with trans-β-nitroarylalkenes in an enantioselective manner at elevated temperature. Ind
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a26ca4a435745b6991f56cf6ee4ae2f5
https://doi.org/10.1039/c9ob00545e
https://doi.org/10.1039/c9ob00545e
Autor:
Chinnasamy Ramaraj Ramanathan, Ramana Sreenivasa Rao, Anita Sahani, Adithya Vadakkayil, Muthupandi Karthick, Mahalingam Mummoorthi, Murugesan Santhosh
Publikováno v:
Journal of Chemical Sciences. 133
Niobium pentoxide, a bifunctional solid surface catalyst, has been successfully employed to facilitate the three-component reaction between aldehydes, amines and triethyl phosphite at room temperature under solvent-free conditions to generate α-amin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::905e4965a67913d4c4f867b9facab797
https://doi.org/10.1007/s12039-020-01853-7
https://doi.org/10.1007/s12039-020-01853-7
Autor:
Muthupandi, Karthick, Edwin, Konikkara Abi, Nagamalla, Someshwar, Savarimuthu Philip, Anthony, Chinnasamy Ramaraj, Ramanathan
Publikováno v:
Organicbiomolecular chemistry. 18(42)
ortho-Quinone methides, very reactive transient intermediates, are utilized successfully in synthesizing complex organic molecules of natural and biological significance. Among several synthetic protocols, the acid catalyzed generation of ortho-quino
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::683bf4a3a258dde78f9ead5232b9f416
https://pubmed.ncbi.nlm.nih.gov/33073833
https://pubmed.ncbi.nlm.nih.gov/33073833
Publikováno v:
Tetrahedron Letters. 58:3650-3653
Allylation of 2-aminophenol-derived aldimines using allyltrichlorosilane under catalyst free conditions has been developed. This reaction afforded the corresponding homoallylic amines in good to excellent yields (68–94%). The salicylaldehyde-derive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95d75f901699a52178a2d9bf070f1547
https://doi.org/10.1016/j.tetlet.2017.08.012
https://doi.org/10.1016/j.tetlet.2017.08.012
Publikováno v:
Synlett. 28:2253-2261
A simple and an efficient method for the synthesis of 7-arylfluorenes by intramolecular cyclization of the corresponding triarylcarbinols in the presence of the solid-acid catalyst NaHSO4/SiO2 has been developed. By using this method, a new chiral di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::499cf0c1e9d1a2ccfe3281e623ace1b8
https://doi.org/10.1055/s-0036-1589074
https://doi.org/10.1055/s-0036-1589074
Publikováno v:
Journal of Chemical Sciences. 129:679-690
A facile and convenient method for the synthesis of substituted 2-(isoquinolin-1-yl)benzoic acids from isoindoloisoquinolinones in the presence of molecular iodine under sealed tube condition at 100 $$^{\circ }\hbox {C}$$ has been developed. This met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b60b96f387a177f9146a67ab38c1fde9
https://doi.org/10.1007/s12039-017-1301-7
https://doi.org/10.1007/s12039-017-1301-7
Publikováno v:
Tetrahedron: Asymmetry. 28:830-836
A conformationally rigid chiral molecule LB-I with Lewis basic site has been designed and synthesized in racemic form from ferrocene via Lewis acid mediated diastereoselective cyclization of hydroxy lactam. Both isomers were successfully obtained in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5337872ab3f085e30cbcd27608bec53
https://doi.org/10.1016/j.tetasy.2017.05.006
https://doi.org/10.1016/j.tetasy.2017.05.006