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  1. 2261
    “…The meth­oxy group is coplanar with the attached benzene ring [C—O—C—C = 0.1 (2)°]. The mol­ecule adopts a trans configuration with respect to the C=N double bond. …”
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    N′-(3-Methoxy­benzyl­idene)aceto­hydrazide
  2. 2262
    “…One of the meth­oxy groups is coplanar with the attached benzene ring within 0.052 (3) Å, whereas the other is slightly twisted [C—O—C—C = 6.3 (3)°]. The mol­ecule adopts a trans configuration with respect to the C=N bond. …”
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    N′-(3,4-Dimethoxy­benzyl­idene)acetohydrazide
  3. 2263
    “…The OCHF(2) group is twisted away from the plane of the benzene ring, as shown by the C—O—C—C torsion angle of 145.8 (2)°. The conformation is stabilized by an inter­molecular N—H⋯N hydrogen bond. …”
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    1-[4-(Difluoromethoxy)phenyl]-N-(2,3-dimethylphenyl)-1H-1,2,4-triazole-3-carboxamide
  4. 2264
    “…Two independent pseudo-enanti­omeric mol­ecules comprise the asymmetric unit in the title compound, C(15)H(14)O(2). While the central O—C—C—C residue approaches planarity [torsion angles = −15.8 (3) (mol­ecule a) and 15.4 (3)° (mol­ecule b)], the benzene rings are approximately orthogonal [the dihedral angles formed between the benzene rings are 62.89 (12) (mol­ecule a) and 80.15 (12)° (mol­ecule b)]. …”
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    3-(1-Hydr­oxy-2-phenyl­prop-2-en-1-yl)phenol
  5. 2265
    “…The mol­ecular structure of the title compound, C(13)H(18)N(4)O(3)S, (systematic name: ethyl N-{2-[4-(dimethyl­amino)benzo­yl]hydrazinethio­carbon­yl}carbamate) is stabilized by intra­molecular N—H⋯O=C hydrogen bonding arranged in an S(6) graph-set motif. …”
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    4-Carbethoxy-1-[4-(N,N-dimethylamino)benzoyl]thiosemicarbazide
  6. 2266
    “…The quinoline ring system and the ethoxy­phenyl ring are oriented at dihedral angles of 79.5 (1) and 17.6 (3)°, respectively, with respect to the almost planar [r.m.s. deviation= 0.037 (3) Å] –C(=O)—C=C– linkage. In the crystal, the inversion-related mol­ecules exist as C—H⋯O hydrogen-bonded R (2) (2)(8) dimers.…”
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    (E)-1-(6-Chloro-2-methyl-4-phenyl-3-quinol­yl)-3-(4-ethoxy­phen­yl)prop-2-en-1-one
  7. 2267
    “…The methoxy­phen­yl–amide segment of the mol­ecule is almost planar, with a dihedral angle of 5.10 (7)° between the benzene ring and the C—N—C(O)—C fragment. A weak intra­molecular N—H⋯O contact forms an S(5) ring and contributes to the planarity of this portion of the mol­ecule. …”
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    4-Chloro-N-(2-methoxy­phen­yl)benzamide
  8. 2268
    “…Inter­molecular C—H⋯S, N—H⋯O, C—H⋯O and O—H⋯O hydrogen-bonding inter­actions stabilize the crystal structure, forming a three-dimensional network. …”
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    7-Benzenesulfonamido-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]octa-2-ene-2-carboxylic acid monohydrate
  9. 2269
    “…The three meth­oxy groups are almost coplanar with their attached benzene ring [C—C—O—C torsion angles = 2.07 (17), −5.04 (17) and 2.85 (16)°]. …”
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    (E)-1-(2-Fur­yl)-3-(2,4,6-trimeth­oxy­phen­yl)prop-2-en-1-one
  10. 2270
    “…In the crystal structure, mol­ecules are inter­connected into sheets parallel to the ac plane by N—H⋯O, C—H⋯Br, C—H⋯O and C—H⋯N hydrogen bonds. The structure is further stabilized by weak inter­molecular C—H⋯π inter­actions.…”
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    N-(6-Bromo­meth­yl-2-pyrid­yl)acetamide
  11. 2271
    “…Successive chains are rotated by 90° around the c axis. One C—H⋯O=C close contact, involving the carboxyl group, exists.…”
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    4-Oxocyclo­hexa­neacetic acid: catemeric hydrogen bonding and spontaneous resolution of a single conformational enanti­omer in an achiral ∊-keto acid
  12. 2272
    “…In the crystal, mol­ecules are linked by N—H⋯N and N—H⋯O hydrogen bonds, generating a chain running the a axis. Weak C—H⋯O, C—H⋯N and C—H⋯π inter­actions are also observed.…”
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    Ethyl 6-amino-5-cyano-2,4-bis­(4-methyl­phen­yl)-4H-pyran-3-carboxyl­ate
  13. 2273
    “…In the title complex, [Co(C(16)H(15)N(2)O)(C(10)H(9)O(2))(N(3))], the Co(II) atom adopts an octa­hedral coordination geometry by a tridentate Schiff base, a bidentate benzoyl­acetonate and an azide ligand. …”
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    Azido­(benzoyl­acetonato-κ(2) O,O′)[1-phenyl-3-(2-pyridylmethyl­imino)but-1-en-1-olato-κ(3) N,N′,O]cobalt(III)
  14. 2274
    por Kim, Hee-Joon
    Publicado 2010
    “…In the crystal, mol­ecules are linked into dimers via N—H⋯O=C hydrogen bonds. These dimers are packed through π⋯π inter­actions between neighboring pyrrole rings with a separation between the mean planes of symmetry-related pyrrole rings of 3.61 (2) Å and a centroid–centroid distance of 4.33 Å. …”
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    Dibenzyl 3,3′-diethyl-4,4′-dimethyl-2,2′-methylenebis(pyrrole-5-carboxylate)
  15. 2275
    “…The dihedral angles between the coumarin ring system, the phenyl ring and the C=N—O—C plane of the oxime unit are 35.83 (6), 35.8 (2) and 69.99 (15)°, respectively. …”
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    3-[(E)-1-(Benzyl­oxyimino)eth­yl]-2-oxo-2H-chromen-7-yl acetate
  16. 2276
    “…The packing is stabilized by C—H⋯O, C—H⋯N, weak π–π stacking [centroid–centroid distances = 3.7985 (16) and 3.7662 (17) Å] and C—H⋯π inter­actions.…”
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    Ethyl 6-chloro-2-[(2-chloro-7,8-dimethyl­quinolin-3-yl)meth­oxy]-4-phenyl­quinoline-3-carboxyl­ate
  17. 2277
    “…The V(V) atom in the title compound, [V(C(8)H(9)N(2)O)(C(17)H(14)N(2)O(3))O]·CH(3)OH, is N,O-chelated by the benzoyl­hydrazidate anion and O,N,O′-chelated by the (benzoyl­hydrazono)propionate dianion. …”
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    (4-Methyl­benzohydrazidato-κ(2) N′,O)[2-(4-methyl­benzoyl­hydrazinyl­idene-κ(2) N,O)-3-phenyl­propionato(2−)]oxido­vanadium(V) methanol monosolvate
  18. 2278
    por Jiang, Quan-Fu, Lu, Chun-Xiong
    Publicado 2010
    “…In the crystal, the water mol­ecule links the mol­ecules into chains through O—H⋯N hydrogen bonds. Weak N—H⋯O, C—H⋯N and C—H⋯O inter­actions further stabilize the crystal structure.…”
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    N-{2-[4-(2-Meth­oxy­phen­yl)piperazin-1-yl]eth­yl}pyridin-2-amine monohydrate
  19. 2279
    “…The four-atom –O–CH(2)–C(=O)–O– linkage between the aromatic ring and the tert-butyl group assumes a (−)anti-periplanar conformation for one substituent and a (−)syn-periplanar conformation for the other substituent; the O–C–C–O torsion angles are −173.7 (2) and −10.2 (3)°.…”
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    tert-Butyl 2-[4-(2-{4-[(tert-butoxycar­bonyl)methoxy]-3-methylphenyl}-2-propyl)-2-methylphenoxy]acetate
  20. 2280
    “…The four-atom –O–CH(2)–C(=O)–O– chain between the p-phenyl­ene ring and the tert-butyl group assumes a more regular W-shaped conformation for one substituent [O—C—C—C torsion angle = 171.9 (2)°] but a less regular W-shaped conformation for the other [torsion angle = 147.4 (2)°].…”
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    Di-tert-butyl 2,2′-[9H-fluorene-9,9-diylbis(p-phenyl­ene­oxy)]diacetate
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