نتایج جستجو برای: 3 thiazolidine 2 thione
تعداد نتایج: 3349827 فیلتر نتایج به سال:
Reactions of copper(I) halides with imidazolidine-2-thione and 1-methyl-1,3-imidazoline-2-thione in dmso involved C-S rupture in aerobic conditions and yielded a sulfate bridged polymer, [Cu(II){eta(2)-N,N-(N(2)C(3)H(5))(2)S}(mu-O,OSO(2))(eta(1)-OH(2))](n) 1 and a sulfate chelated monomer, [Cu(II){eta(2)-N,N-(N(2)C(4)H(5))(2)S}(eta(2)-O,OSO(2))(eta(1)-OH(2))] 2 {N,N-(N(2)C(3)H(5))(2)S = 2,2'-th...
the present study aimed to use a method for the synthesis of some 3, 4-dihydropyrimidin-2-(1h) - ones/thiones. the study tried to answer the question whether this reaction can be performed without solvent and with new catalyst or not. to find answer to the question, we described a novel protocol for the efficient synthesis of 3, 4-dihydropyrimidin-2-(1h)-one derivatives using aromatic aldehyde,...
In the title compound, C(12)H(14)ClNS(2), the thia-zole ring adopts an envelope conformation; the basal plane is nearly perpendicular to the benzene ring at a dihedral angle of 85.72 (5)°. Weak inter-molecular C-H⋯S hydrogen bonding is present in the crystal structure.
The asymmetric unit of the title compound, C(14)H(18)N(2)S, contains two independent and conformationally similar mol-ecules, which form cyclic dimers via inter-molecular hydrogen bonds of the type N-H⋯S [graph set R(2) (2)(8)]. The structure is iso-morphous with that of one of the polymorphs of 4,4,6-tri-methyl-1-phenyl-3,4-dihydro-pyrimidine-2(1H)-thione [Yam-in et al. (2005 ▶). Acta Cryst. E...
the reaction of readily available 1 -methyl-4-nitropyrrole-2- carboxylic acid (1) with thionyl chloride afforded the corresponding acyl chloride 2. the reaction of compound 2 with thiosemicarbazides yielded 1-(1 -methyl-4-nitrop yrrole-2-carbony1)- thiosemicarbazides (3) which cyclized in basic medium to 5-(1-methyl-4-nitropyrrole- 2-y1)-2,4-dihydro-3h- l,2,4-triazole-3- thione 4. alkylation an...
In the title complex, [W(C(3)H(6)N(2)S)(CO)(5)], the W atom displays an octa-hedral coordination with five CO mol-ecules and an imidazolidine-2-thione mol-ecule. The W(CO)(5) unit is coordinated by the cyclic thione ligand through a W-S dative bond. The W-S and C-S bond lengths are 2.599 (2) and 1.711 (9) Å, respectively. This last distance is significantly longer than that of free cyclic thio-...
The asymmetric unit of the title compound, {(C34H28FeP2)[Au(C5H8NS2)]2}, comprises half a mol-ecule, with the full mol-ecule being generated by the application of a centre of inversion. The independent Au(I) atom is coordinated by thiol-ate S and phosphane P atoms that define an approximate linear geometry [S-Au-P = 169.35 (3)°]. The deviation from the ideal linear is traced to the close approa...
The title compound, C9H12N2OS4·0.5C6H5Cl, which contains two 1,3-thia-zolidine-2-thione rings, is a by-product of the synthesis of 3-acryloyl-1,3-thia-zolidine-2-thione. The dihedral angle between these rings is 79.95 (9)°, with both rings displaying a twisted conformation. The twist angle of the amide group is 5.6 (1)°. In the crystal, the molecules are linked into [001] chains by C-H⋯O intera...
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