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Autor:
Chi P. Ndi, Susan J. Semple, Dan Staerk, Alexander Baekager Just Jensen, Birger Lindberg Møller, Louise Kjaerulff
Publikováno v:
Phytochemistry Letters. 39:49-56
A methylene chloride extract of Myoporum insulare R. Br. (Scrophulariaceae) root material was investigated by dual high-resolution PTP1B/α-glucosidase inhibition profiling and LC-PDA-HRMS. Subsequent analytical-scale separation of the crude extract
Publikováno v:
Journal of Molecular Structure. 1196:491-498
In the course of this work, a new biguanide derivative L 1 and its 1,3,5-triazine cyclic analogue L 2 were synthesized as hydrochloride or hydroperchlorate salts and their structures were characterized by spectroscopic and analytical methods. The sol
Autor:
Miguel Baya, Ma Angeles García-Monforte, Babil Menjón, Irene Ara, Daniel Joven-Sancho, Antonio Martín
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
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The improved synthesis of the homoleptic perchlorophenyl stibine (CCl)Sb (1a) has enabled us to obtain detailed spectroscopic and structural information. In contrast to the planar structure shown by the nitrogen homologue (CCl)N, the antimony compoun
Publikováno v:
Polyhedron. 158:15-24
A new series of 4-carboxybenzenesulfonamide organotin(IV) complexes, [Me3Sn(O2CC6H4-SO2NH2-4)] (1), [n-Bu3Sn(O2CC6H4-SO2NH2-4)] (2), [Ph3Sn(O2CC6H4-SO2NH2-4)] (3), [(Me2Sn)4(μ3-O)2(μ2-OCH3)2(O2CC6H4-SO2NH2-4)2] (4), [(n-Bu2Sn)4(μ3-O)2(μ2-OCH3)2(O
Publikováno v:
Tetrahedron. 74:7121-7126
A flexible, enantioselective route to highly functionalized α,β-unsaturated δ-lactones has been applied to the synthesis of 7-aza-phomopsolide E and its C-4 epimer. This approach relies on the application of the Noyori asymmetric hydrogenation of
Publikováno v:
Phytochemistry Letters
Phytochemistry Letters, Elsevier, 2018, 26, pp.38-43. ⟨10.1016/j.phytol.2018.05.007⟩
Phytochemistry Letters, Elsevier, 2018, 26, pp.38-43. ⟨10.1016/j.phytol.2018.05.007⟩
International audience; Five new pentacyclic triterpenoids, Melantheraside A–E (1–5) together with eleven known compounds (6-16) were isolated from the methanol extract of the aerial parts of Melanthera elliptica O. Hoffm. Their structures were e
Publikováno v:
Tetrahedron. 74:1449-1453
Recently, a novel lignan sevanol was isolated from the thyme plant Thymus armeniacus. During structure-functional elucidation it showed significant biological activity on ASIC3 acid sensing channels. Herein we describe the first synthesis of sevanol
Autor:
Sergiu Shova, Laszlo Tarko, Madalina Hrubaru, Eric C. Hosten, Constantin Draghici, Damian C. Onwudiwe
Publikováno v:
Inorganica Chimica Acta. 471:257-264
Reaction of diallyldithiocarbamate and mercury chloride in different mole ratios afforded two different organomercury complexes: ((3-allyl-2-thioxothiazolidin-5-yl)methyl)mercury(II) chloride and N,N-diallyl-dithiocarbamat(3-allyl-2-thioxothiazolidin
Autor:
Augustin Ephrem Nkengfack, Nole Tsabang, Sergi Herve Akone, Liu Zhen, Pierre Mkounga, Kemda Pamela Nangmo, Peter Proksch, Kirt Marat, Tontsa Armelle Tsamo, Werner E.G. Müller
Publikováno v:
Phytochemistry Letters. 23:120-126
Two new limonoid derivatives designated, monadelphin A (1) and monadelphin B (2) and two new sesquiterpene derivatives named trichins A (3) and B (4) were isolated together with six known compounds (5–10) from the mixture of methylene chloride/meth
Autor:
Ali Osman S. Altoum, Saeed Ahmad, Anvarhusein A. Isab, Zdeněk Trávníček, Muhammad Altaf, Ján Vančo, Manzar Sohail, Zdeněk Dvořák, Radka Křikavová
Publikováno v:
Journal of Molecular Structure. 1152:232-236
A Platinum(II) complex of N-isopropylimidazolidine-2-selenone (i-PrImSe), [Pt(i-PrImSe)4]Cl2 (1) was prepared and characterized by elemental analysis, IR and NMR (1H, 13C, 77Se & 195Pt) spectroscopy, and X-ray crystallography. The structure of 1 cons