Association of N-(Pyridin-2-yl),N'-substituted Ureas with 2-Amino-1,8-naphthyridines and Benzoates: NMR and Quantum Chemical Studies of the Substituent Effect on Complexation
Borys Ośmiałowski; Karina Mroczyńska; Erkki Kolehmainen; Magdalena Kowalska; Arto Valkonen; Marek Pietrzak; Kari Rissanen; Journal of Organic Chemistry 78 (2013) 7582–7593; doi:10.1021/jo4011393

data_4028464
_publ_section_title
;
 Association of N-(Pyridin-2-yl),N'-substituted Ureas with
 2-Amino-1,8-naphthyridines and Benzoates: NMR and Quantum Chemical
 Studies of the Substituent Effect on Complexation
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              7582
_journal_page_last               7593
_journal_paper_doi               10.1021/jo4011393
_journal_volume                  78
_journal_year                    2013
_chemical_formula_moiety         'C8 H11 N3 O'
_chemical_formula_sum            'C8 H11 N3 O'
_chemical_formula_weight         165.20
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.547(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.1734(4)
_cell_length_b                   5.0975(2)
_cell_length_c                   13.3805(4)
_cell_measurement_reflns_used    2200
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      28.283
_cell_measurement_theta_min      0.407
_cell_volume                     823.12(5)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Bruker, 2008)'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics
'ORTEP-3 (Farrugia, 1997); MERCURY (Macrae, <i>et al.</i>, 2008)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-2004 (Burla, et al., 2005)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker-Nonius Kappa CCD with APEXII detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0510
_diffrn_reflns_av_sigmaI/netI    0.0460
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            11647
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         3.38
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.9926
_exptl_absorpt_correction_T_min  0.9881
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_description       prism
_exptl_crystal_F_000             352
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.187
_refine_diff_density_min         -0.245
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     115
_refine_ls_number_reflns         2042
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0702
_refine_ls_R_factor_gt           0.0447
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0217P)^2^+0.3884P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0855
_refine_ls_wR_factor_ref         0.0952
_reflns_number_gt                1516
_reflns_number_total             2042
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            jo4011393_si_001.cif
_cod_data_source_block           uet
_cod_database_code               4028464