Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Papori Goswami"'
Publikováno v:
ARKIVOC, Vol 2007, Iss 15, Pp 82-89 (2007)
Externí odkaz:
https://doaj.org/article/f1ca9b9933c948619f55344098bbb6b4
Publikováno v:
Journal of Earth System Science. 125:1353-1363
Indian region is severely affected by the tropical cyclones (TCs) due to the long coast line of about 7500 km. Hence, whenever any low level circulation (LLC) forms over the Indian Seas, the prediction of its intensification into a TC is very essenti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00f1422951e1df1bbce4db50489d83c1
https://doi.org/10.1007/s12040-016-0746-2
https://doi.org/10.1007/s12040-016-0746-2
Publikováno v:
Steroids. 76:497-501
A facile synthesis of the side chain of loteprednol etabonate, namely, chloromethyl-17α-[(ethoxycarbonyl))oxy]-11β-hydro of loteprednol etabonate, viz., chloromethyl-17α-[(ethoxycarbonyl))oxy]-11xy-3-oxoandrosta-1,4-diene-17β-carboxylate – an o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f7f1cb9dc92652012f275f40a075f3b
https://doi.org/10.1016/j.steroids.2011.01.006
https://doi.org/10.1016/j.steroids.2011.01.006
Autor:
Babulal Das, Papori Goswami
Publikováno v:
Synthetic Communications. 40:1685-1693
An efficient synthesis of some heterocycles is described by condensation between o-phenylenediamine and 1,3-dicarbonyl compounds catalyzed by L-proline. The reaction is carried out either at room temperature or reflux depending on the substrates.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::203b4ec1219a4ef8b9ce77b9e835c154
https://doi.org/10.1080/00397910903161686
https://doi.org/10.1080/00397910903161686
Autor:
Papori Goswami
Publikováno v:
Synthetic Communications. 39:2271-2278
A wide range of substituted coumarin derivatives were synthesized by refluxing in acetonitrile, ethyl acetoacetate, and ethyl benzoyl acetate with a wide range of structurally diverse phenol derivatives within a short reaction time with a catalytic c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20f67504e421baae0428792aaf1af8f0
https://doi.org/10.1080/00397910802654708
https://doi.org/10.1080/00397910802654708
Autor:
Papori Goswami, Babulal Das
Publikováno v:
Tetrahedron Letters. 50:2384-2388
The three-component organocatalysed Mannich type reaction is carried out in a green co-solvent of ethanol and water at room temperature using adenine as catalyst and hydrogen peroxide as additive. The Mannich products are obtained in considerably goo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6211cfe851460b82491779e3634dcdab
https://doi.org/10.1016/j.tetlet.2009.02.218
https://doi.org/10.1016/j.tetlet.2009.02.218
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 304:153-158
Herein we report on the use of chitosan–Ag NP composite as an efficient catalyst in selective C–C coupling of phenolic compounds in the presence of molecular iodine. This is the first report on the C–C coupling with Ag NPs as the catalyst. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43ab5bc0b76b6b2db0a3236fdfa4ee41
https://doi.org/10.1016/j.molcata.2009.02.006
https://doi.org/10.1016/j.molcata.2009.02.006
Publikováno v:
Carbohydrate Polymers. 76:30-35
A water-soluble dextran was produced by purified dextransucrase from Leuconostoc mesenteroides NRRL B-640. The dextran was purified by alcohol precipitation. The structure of dextran was determined by FT-IR, 1H NMR, 13C NMR and 2-dimensional NMR spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4db748d1a3f20064287176f491e4cb72
https://doi.org/10.1016/j.carbpol.2008.09.018
https://doi.org/10.1016/j.carbpol.2008.09.018
Autor:
Papori Goswami, Babulal Das
Publikováno v:
Tetrahedron Letters. 50:897-900
A series of conjugated dienones and enones were synthesized by a reaction of both conjugated and simple aldehydes, respectively, with 1,3-dicarbonyl compounds and aldehydes under solvent-free conditions at room temperature in the presence of 10 mol %
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f808b83a96e05125fee764ac4a13e45
https://doi.org/10.1016/j.tetlet.2008.12.036
https://doi.org/10.1016/j.tetlet.2008.12.036
Autor:
Papori Goswami
Publikováno v:
Green Chemistry Letters and Reviews. 1:173-177
A facile and ecofriendly synthesis of β-enamino esters is reported by reaction of both aliphatic and aromatic amines with β-keto esters by refluxing in ethanol in absence of any catalyst. Addition of α,β-unsaturated aldehydes to the reaction mixt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33a6d418e693f26f2ad57461ae6b1352
https://doi.org/10.1080/17518250802403774
https://doi.org/10.1080/17518250802403774