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Thioureas 5-nitrobarbiturate

Nitromalonic ester reacts with thiourea to yield 2-thio-5-nitrobarbituric acid (122) [Eq. (40)].117... [Pg.143]

Figure 8.11 Zigzag ribbon formed by 5-nitrobarbiturate ions and the hydrogen-bonded scheme in the thiourea-anion host lattice of 5, viewed along the b axis. The large spheres represent (CH3)4N+ ions. Symmetry transformation a(1 -yx, y, z)... Figure 8.11 Zigzag ribbon formed by 5-nitrobarbiturate ions and the hydrogen-bonded scheme in the thiourea-anion host lattice of 5, viewed along the b axis. The large spheres represent (CH3)4N+ ions. Symmetry transformation a(1 -yx, y, z)...
No dimer of nitrobarbiturate occurs in complex 7. As shown in Figure 8.14, two adjacent nitrobarbiturate ions are separated from each other by bridging thiourea C(5) and water molecules Olw and 02w to form a nitrobarbiturate-thiourea-(H20)2 tetramer motif. [Pg.250]

See other pages where Thioureas 5-nitrobarbiturate is mentioned: [Pg.257]    [Pg.257]    [Pg.239]    [Pg.248]    [Pg.249]    [Pg.250]    [Pg.256]    [Pg.257]    [Pg.257]   
See also in sourсe #XX -- [ Pg.247 , Pg.248 , Pg.249 , Pg.250 , Pg.256 ]



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5-nitrobarbiturate

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