Results 41 to 50 of about 2,082 (147)
Molecules, 1999 The title 3-amino-2-thiohydantoins 3 has been prepared in very good yields by the reaction of alkyl isothiocynatocarboxylates 1 with hydrazine hydrate.The synthesis of starting isothiocyanates as well as spectral data of 3-aminothiohydantoins and alkyl ...
Martin Kovac +2 more
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A Practical Approach to New (5Z) 2-Alkylthio-5-arylmethylene- 1-methyl-1,5-dihydro-4H-imidazol-4-one Derivatives [PDF]
, 2011 International audienceA practical protocol for the preparation of (5Z)-2-alkylthio-5-arylmethylene-1-methyl-1,5-dihydro-4H-imidazol-4-one derivatives is reported.
Bazureau, Jean-Pierre +5 more
core +4 more sources
Molecules, 2000 Different types of 3-substituted 4H-4-oxobenzopyrans were prepared by microwave irradiation as well as by a classical method. The beneficial effect of microwave irradiation on the aldol condensation of 3-formylchromones with 2-imino-1-methylimidazolidine-
Nada Pronayova +4 more
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Total synthesis and structural revision of a mangrove alkaloid [PDF]
, 2017 We report the total synthesis of an alkaloid isolated from the mangrove fungi Hypocrea virens, based on the originally claimed structure, via a photochemical sequence. Inconsistencies between data sets led to a revision of the proposed structure followed
Ali +28 more
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Relationship between Aldose reductase and superoxide dismutase inhibition capacities of indole-based analogs of melatonin derivatives [PDF]
, 2009 Aldose reductase (AR) has been implicated in the etiology of diabetic complications. Under diabetic conditions, the elevated vascular glucose level causes an increased flux through the polyol pathway, which induces functional and morphological changes ...
Daş-Evcimen N., Suzen S., Yildirim Ö.
core +1 more source
NMR and MS data for novel bioactive constituents from Pugionium cornutum L. Gaertn
Data in Brief, 2020 The data presented in this article are associated with the research article entitled “Bioactive Constituents Study of Pugionium cornutum L. Gaertn on Intestinal Motility” [1].
Wenzhong Shi +8 more
doaj +1 more source
A Simple Synthesis of 2-Thiohydantoins
Molecules, 2006 2-Thiohydantoin derivatives are produced by heating a mixture of thiourea and an α-amino acid. The method described offers the advantages of simplicity, low cost, easy work-up and scalability.
Yulu Zhang +2 more
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Organics1,3-Dipolar cycloaddition reactions of nitrile imines are a powerful tool for the construction of spirocyclic frameworks, yet controlling chemoselectivity remains challenging when dipolarophiles contain multiple reactive sites.
Maria E. Filkina +4 more
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Die Struktur von DL-μ-hydroxo-di-μ-nitro-bis(triamminkobalt)(3+)-trichlorid-hydrat [PDF]
, 1970 DL-μ-Hydroxo-di-μ-nitro-bis(triamminecobalt)(3 + )-trichloride hydrate, [(NH_3)_3Co(OH)(N0_2hCo(NH_3)_3]Cl_3. H_20, crystallizes in the monoclinic space group P2_1/c with ɑ = 9·70, b = 6-73, c = 24·57 Å and β = 104·3°; there are four formula units in the
Thewalt, Ulf
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Glucopyranosylidene-Spiro-Thiazolinones: Synthetic Studies and Determination of Absolute Configuration by TDDFT-ECD Calculations [PDF]
, 2017 Reactions of O-peracylated C-(1-bromo-β-d-glucopyranosyl)formamides with thioamides furnished the corresponding glucopyranosylidene-spiro-thiazolin-4-one.
Kun, Sándor +4 more
core +2 more sources