X-ray Diffraction, Solution Structure, and Computational Studies on Derivatives of (3-sec-Butyl-2,3-dihydro-1H-isoquinolin-4-ylidene)acetic Acid: Compounds with Activity as Calpain Inhibitors
Mercedes Alonso; Roberto Chicharro; Carlos Miranda; Vicente J. Arán; Miguel A. Maestro; Bernardo Herradón; Journal of Organic Chemistry 75 (2010) 342–352; doi:10.1021/jo902091u

data_4025159
_publ_section_title
;
 X-ray Diffraction, Solution Structure, and Computational Studies on
 Derivatives of (3-sec-Butyl-2,3-dihydro-1H-isoquinolin-4-ylidene)acetic
 Acid: Compounds with Activity as Calpain Inhibitors
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              342
_journal_page_last               352
_journal_paper_doi               10.1021/jo902091u
_journal_volume                  75
_journal_year                    2010
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C15 H17 N O2 S'
_chemical_formula_sum            'C15 H17 N O2 S'
_chemical_formula_weight         275.36
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.0434(6)
_cell_length_b                   14.1658(15)
_cell_length_c                   16.4204(17)
_cell_measurement_temperature    293(2)
_cell_volume                     1405.7(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0513
_diffrn_reflns_av_sigmaI/netI    0.0645
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            7790
_diffrn_reflns_theta_full        25.73
_diffrn_reflns_theta_max         25.73
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    0.228
_exptl_absorpt_correction_T_max  0.9842
_exptl_absorpt_correction_T_min  0.9453
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 Siemens SADABS program multi-scan
 Blessing, Acta Cryst. (1995) A51 33-38
;
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.301
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.647
_refine_diff_density_min         -0.394
_refine_diff_density_rms         0.097
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.0(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     176
_refine_ls_number_reflns         2689
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.1285
_refine_ls_R_factor_gt           0.0814
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1536P)^2^+1.0145P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2253
_refine_ls_wR_factor_ref         0.2655
_reflns_number_gt                1718
_reflns_number_total             2689
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo902091u_si_004.cif
_cod_data_source_block           anc1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4025159