Synthesis and evaluation of synthetic retinoid derivatives as inducers of stem cell differentiation
Christie, Victoria B.; Barnard, Jonathan H.; Batsanov, Andrei S.; Bridgens, Caroline E.; Cartmell, Emily B.; Collings, Jonathan C.; Maltman, Daniel J.; Redfern, Christopher P. F.; Marder, Todd B.; Przyborski, Stefan; Whiting, Andrew; Organic & Biomolecular Chemistry 6 (2008) 3497–3507; doi:10.1039/b808574a

data_7150976
_publ_section_title
;
 Synthesis and evaluation of synthetic retinoid derivatives as inducers
 of stem cell differentiation
;
_journal_issue                   19
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_page_first              3497
_journal_page_last               3507
_journal_paper_doi               10.1039/b808574a
_journal_volume                  6
_journal_year                    2008
_chemical_formula_moiety         'C14 H19 Br'
_chemical_formula_sum            'C14 H19 Br'
_chemical_formula_weight         267.20
_chemical_melting_point          317
_chemical_name_systematic
;
6-bromo-1,1,4,4-tetramethyl-1,2,3,4-tetrahydro-naphthalene
;
_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                   7.760(1)
_cell_length_b                   10.508(1)
_cell_length_c                   15.461(1)
_cell_measurement_reflns_used    5961
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      30.0
_cell_measurement_theta_min      2.3
_cell_volume                     1260.7(2)
_computing_cell_refinement       'SAINT version 6.02A (Bruker, 2001)'
_computing_data_collection       'SMART version 5.625 (Bruker, 2001)'
_computing_data_reduction        'SAINT version 6.02A (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL version 6.12 (Bruker, 2001)'
_computing_publication_material  'SHELXTL version 6.12 (Bruker, 2001)'
_computing_structure_refinement  'SHELXTL version 6.12 (Bruker, 2001)'
_computing_structure_solution    'SHELXTL version 6.12 (Bruker, 2001)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 5.6
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART 6K CCD area detector'
_diffrn_measurement_method       '\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  0.0210
_diffrn_reflns_av_sigmaI/netI    0.0139
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            23007
_diffrn_reflns_theta_full        29.97
_diffrn_reflns_theta_max         29.97
_diffrn_reflns_theta_min         2.34
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.228
_exptl_absorpt_correction_T_max  0.4546
_exptl_absorpt_correction_T_min  0.3756
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS 2.10 (Bruker,2003), R(int)=0.054 before correction'
_exptl_crystal_colour            off-white
_exptl_crystal_density_diffrn    1.408
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.29
_refine_diff_density_max         0.316
_refine_diff_density_min         -0.192
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.013(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     176
_refine_ls_number_reflns         3666
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0201
_refine_ls_R_factor_gt           0.0170
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0210P)^2^+0.1690P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0402
_refine_ls_wR_factor_ref         0.0413
_reflns_Friedel_coverage         0.74
_reflns_number_gt                3423
_reflns_number_total             3666
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b808574a.txt
_cod_data_source_block           (1)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               7150976