Toward biophysical probes for the 5-HT3 receptor: structure-activity relationship study of granisetron derivatives.
Vernekar, Sanjeev Kumar V.; Hallaq, Hasan Y.; Clarkson, Guy; Thompson, Andrew J.; Silvestri, Linda; Lummis, Sarah C. R.; Lochner, Martin; Journal of medicinal chemistry 53 (2010) 2324–2328; doi:10.1021/jm901827x

data_1502673
_publ_section_title
;
 Toward biophysical probes for the 5-HT3 receptor: structure-activity
 relationship study of granisetron derivatives.
;
_journal_issue                   5
_journal_name_full               'Journal of medicinal chemistry'
_journal_page_first              2324
_journal_page_last               2328
_journal_paper_doi               10.1021/jm901827x
_journal_volume                  53
_journal_year                    2010
_chemical_formula_sum            'C19 H27 N4 O2.5'
_chemical_formula_weight         351.45
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 94.5720(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   13.2127(4)
_cell_length_b                   14.5710(5)
_cell_length_c                   37.9181(12)
_cell_measurement_reflns_used    32118
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     7276.8(4)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997)'
_computing_publication_material  'SHELXTL (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type
'Bruker-Nonius Roper CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0675
_diffrn_reflns_av_sigmaI/netI    0.0558
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       45
_diffrn_reflns_limit_l_min       -46
_diffrn_reflns_number            32625
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.00
_diffrn_standards_decay_%        nil
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.9914
_exptl_absorpt_correction_T_min  0.9016
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2007/2 (Sheldrick, G.M., 2007)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.283
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3024
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.440
_refine_diff_density_min         -0.358
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     475
_refine_ls_number_reflns         7058
_refine_ls_number_restraints     22
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.1025
_refine_ls_R_factor_gt           0.0750
_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^)+(0.0000P)^2^+33.2735P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1374
_refine_ls_wR_factor_ref         0.1529
_reflns_number_gt                5346
_reflns_number_total             7058
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jm901827x_si_002.cif
_cod_data_source_block           hh3
_cod_original_sg_symbol_H-M      C2/c
_cod_original_formula_sum        'C19 H27 N4 O2.50'
_cod_database_code               1502673