نتایج جستجو برای: ethylenediamine dihydrochloride
تعداد نتایج: 3538 فیلتر نتایج به سال:
The mechanochemical N-alkylation of imide derivatives was studied. Reactions under solvent-free conditions in a ball mill gave good yields and could be put in place of the classical solution conditions. The method is general and can be applied to various imides and alkyl halides. Phthalimides prepared under ball milling conditions were used in a mechanochemical Gabriel synthesis of amines by th...
Manganese is an abundant element that plays critical roles and at the reaction center of several enzymes. In order to promote understanding behavior manganese(II) ion with aliphatic ligands, in this work, stability spectral complexes ethylenediamine, 1,3-propanediamine or 1,4-butanediamine were explored. A spectrophotometric study its speciation methanol was performed 293 K. The formation const...
Highly crystalline N and S co-doped carbon dots (NS CDs) were synthesized by a hydrothermal method using mesaconic acid, ethylenediamine, sulfuric acid as C, N, sources.
The disruption of the balance in composition oral and throat microbiota due to overgrowth infectious biofilms may lead not only severe infections, but also serious, systemic complications resulting a permanent loss health or even death patient. Therefore, number hygienic measures are applied counter-act such threat, including provision locally active antiseptic agents. In this work, antimicrobi...
Presented here are three organic-decorated manganese selenidostannates with various structural dimensionalities (D), namely, 1D – SnSe3Mn(en)2 (en = ethylenediamine) (1), 2D – SnSe3Mn(en) (2) and 3D – MnSnSe4Mn(en)2 (3). 2 and 3 represent the first 2D and 3D organic-decorated Mn–Sn–Se compounds, respectively. A structural transformation was observed between 1 and 2.
Reactions between ethylenediamine (en) solutions of the intermetallic Zintl phases K(3)E(7) (E = P, As) and a series of homoleptic post-transition metal organometallics such as Cu(5)(Mes)(5), M(C(6)H(5))(2) (M = Zn, Cd) and In(C(6)H(5))(3) have yielded a family of novel bimetallic cluster anions. These new species were isolated as [K(2, 2,2-crypt)](+) salts in [K(2,2,2-crypt)](4)Cu(2)E(14) (E =...
Thiasalen podand 9 having S2N2 donor set has been synthesized by the condensation of 2-methylthiobenzaldehyde with ethylenediamine. The reaction of the thiasalen podand ligand with Pd(II) afforded two complexes depending on the reaction time. Shorter reaction time (5 min) afforded thioether complex 10; whereas with increase in reaction time (4 h) thioether-thiolate complex 11 was obtained via c...
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