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The radical of thiophene, SC4H3-. Compare: thenyl.
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In the structure of BPI-P, the dihedral angle between the imidazole core and the adjacent phenyl ring is 41.9[degrees], while in the case of BPI-T, the dihedral angle between imidazole and the neighboring 'thienyl ring is 19.0[degrees].
Data for 2 are as follows: a brownish oil; [sup.1]H NMR (CD[Cl.sub.3]) [delta] 1.43 (d, 6.8 Hz, 3H), 3.74 (q, 6.8 Hz, 1H), 7.11 (m, 1H), and 7.78 (m, 2H) ppm; [sup.13]C NMR (CD[Cl.sub.3]) [delta] 196.8 (C1), 187.6 (q, 36 Hz, C3), 128.7,133.9,136.5,142.2 (thienyl), 115.4 (q, 290 Hz, C[F.sub.3]), 42.6 (C2), and 13.6 (Me) ppm; [sup.19]F NMR (CD[Cl.sub.3]) -81 (C[F.sub.3]) ppm; HRMS m/z [C.sub.9][H.sub.7][F.sub.3][O.sub.2]S[H.sup.+] requires 237.0197, obsd 237.0203.
Data for 3 are as follows: a crystalline solid that decomposes at 95[degrees]C; [sup.1]H NMR [delta] 1.58 (d, 6.8 Hz, 3H), 4.76 (q, 6.4 Hz, 1H), 7.11 (m, 1H), and 7.78 (m, 2H) ppm; [sup.13]C NMR (CD[Cl.sub.3]) [delta] 186.9 (C1), 128.5, 133.3, 135.8, 141.5 (thienyl), 122.5 (q, 292 Hz, C[F.sub.3]), 95.1 (q, 32 Hz, C3) 51.1 (C2), and 13.3 (Me) ppm; 19F NMR (CD[Cl.sub.3])-87.5 (C[F.sub.3]) ppm; HRMS m/z [C.sub.9]H9[F.sub.3]O3S[H.sup.+] requires 255.0203, obsd 255.0297.
To prevent the Q-T mispair, the methyl group of Q was replaced with a thienyl group, like that of the s base.
17a), (88) by attaching an extra thienyl group to the Ds base.
[sup.1]H TMR (CD[Cl.sub.3]): [delta] = 1.45 (9H, Boc), 3.15 (3H, Me), 6.85, 7.55, 7.70 (3H, m, thienyl).
Supuran, Antibacterial cobalt (II), copper (II), nickel (II) and zinc (II) complexes of mercaptothiadiazole-derived furanyl, thienyl, pyrrolyl, salicylyl and pyridinyl Schiff bases, J.
Hummelen, "Thienyl analog of 1-(3-methoxycarbonyl)propyl-1-phenyl-[6,6]-methanofullerene for bulk heterojunction photovoltaic devices in combination with polythiophenes," Applied Physics Letters, vol.
at different positions whereas the set-II chalcones were containing one heterocyclic ring such as pyridinyl, pyrrolyl, furanyl, thienyl and indolyl.