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  1. 1761
    por Quan, Li, Yin, Handong
    Publicado 2008
    “…In the title compound, C(10)H(8)O(3), the dihedral angle between the approximately planar tetra­hydro­furan-2,5-dione ring [maximum deviation 0.014 (3) Å] and the phenyl ring is 85.68 (8)°. Weak C—H⋯O=C inter­molecular hydrogen-bonding contacts are observed in the structure.…”
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  2. 1762
    por Tao, Xuquan, Cui, Hui
    Publicado 2009
    “…In the title mol­ecule, C(22)H(16)N(2)OS(2), which demonstrates non-crystallographic C (2) pseudosymmetry [C—O—C angle = 121.0 (3)°], the two benzene rings make a dihedral angle of 62.09 (14)°. …”
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  3. 1763
    “…In the crystal, the molecules are linked by C—H⋯O, C—H⋯N and C—H⋯F interactions.…”
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  4. 1764
    por Lu, Lihua, He, Liang
    Publicado 2010
    “…The meth­oxy group is coplanar with the benzene ring to which it is connected, the C—O—C—C torsion angle being 6.37 (17)°. The observed conformation is stabilized by an intra­molecular N—H⋯O hydrogen bond, generating an S(6) ring.…”
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  5. 1765
    por Yang, Hongxiang
    Publicado 2010
    “…The valer­oxy group shows a torsioned conformation, and connects to the aryl ring with a C—C—O—C torsion angle of 102.34 (1)°.…”
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  6. 1766
    por Dong, Feng-Xia
    Publicado 2011
    “…In the title salt, C(2)H(8)N(+)·C(11)H(7)O(5) (−), the acetate group is twisted out of the plane of the coumarin ring system with a C—O—C—C torsion angle of 76.3 (2)°. In the crystal, N—H⋯O hydrogen bonds link the cations and anions into chains propagating in [100].…”
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  7. 1767
    “…The dihedral angle between the benzene ring and the NH—C(O)—C fragment is 32.8 (1)°. In the crystal, the molecules are linked by N—H⋯O hydrogen bonds into [100] chains.…”
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  8. 1768
    “…The title mol­ecule, C(20)H(24)O(2), is a chalconoid derivative in which the keto–enone group is slightly distorted from planarity; the O=C—C=C torsion angle is 12.24 (13)°.…”
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  9. 1769
    por Li, Xiaokun, Zhao, Yuqing
    Publicado 2012
    “…In the crystal, mol­ecules are connected by N–H⋯O=C hydrogen bonds, forming a chain along the b-axis direction.…”
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  10. 1770
    por Yu, Qiang, Carlsen, Per
    Publicado 2008
    “…Mixtures of the adenine- and aracil PVA-phosphate polynucleotide analogs in solutions exhibited characteristic S-shaped UV-absorbance vs temperature and melting curves with melting points at approximately 40 (o)C.…”
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  11. 1771
    “…Moderate to good enantiomeric excess values (ee ≥ 52%) were obtained when the CAL-B-catalyzed reactions were performed in t-BuOMe, at 60 ºC with 0.5 equiv. of added H(2)O as nucleophile.…”
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  12. 1772
  13. 1773
    “…In the title compound, C(16)H(9)NO(2)S, the inter­planar angle is 6.47 (6)°. An intra­molecular S⋯O=C contact of 2.727 (2) Å is observed. The packing is determined by several types of weak inter­action (‘weak’ hydrogen bonds, S⋯S contacts and π–π stacking). …”
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  14. 1774
    por Jans, E
    Publicado 2014
    “…Since the sensors have been irradiated in Run 1 they should always be cooled to below $^-$5 $^{\rm{o}}$C. The operational principle and main characteristics of the system are described, as well as the warning and safety systems that guarantee the safe operation of the detector. …”
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  15. 1775
    “…In this reaction, the direct transformation of 1-aryl-2,2,2-trifluoroethanones into amides via C(O)–C bond cleavage occurs without the use of any stoichiometric chemical oxidants or transition-metal catalysts. …”
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  16. 1776
    “…The title compound, C(7)H(4)Br(2)O(3), has an intra­molecular O—H⋯O=C hydrogen bond and aggregates to form hydrogen-bonded dimers via O—H⋯O inter­actions. …”
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  17. 1777
    “…The title compound, C(21)H(22)N(2)O(3), was synthesized by the reaction of tert-butyl­hydrazine with phthalic anhydride and further O-benzoyl­ation of the resulting inter­mediate by 3,5-dimethyl­benzoyl chloride. Inter­molecular C—H⋯O=C inter­actions link the mol­ecules into layers.…”
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  18. 1778
    por Li, Xu-Yun, Song, Zu-Wei
    Publicado 2008
    “…The crystal sructure exhibits weak inter­molecular N—H⋯O, C—H⋯O and C—H⋯N hydrogen bonds and π–π inter­actions [centroid-to-centroid distance = 3.899 (3) Å].…”
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  19. 1779
    “…In the structure, the C=O and C=C bonds are not coplanar, with O=C—C=C torsion angles of −36.8 (4) and −21.0 (4)°. …”
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  20. 1780
    “…The title compound, 2-(CH(3)CH(2)CH(2)CH(2)O)C(6)H(4)B(OH)(2), exists as a centrosymmetric hydrogen-bonded dimer. …”
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