Diastereospecific Photocyclization of a Isopropylbenzophenone Derivative in Crystals and the Morphological Changes
Hideko Koshima; Michitaro Fukano; Hidehiro Uekusa; Journal of Organic Chemistry 72 (2007) 6786–6791; doi:10.1021/jo071005i

data_4024140
_publ_section_title
;
 Diastereospecific Photocyclization of a Isopropylbenzophenone
 Derivative in Crystals and the Morphological Changes
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              6786
_journal_page_last               6791
_journal_paper_doi               10.1021/jo071005i
_journal_volume                  72
_journal_year                    2007
_chemical_formula_moiety         'C31 H37 N O2 '
_chemical_formula_sum            'C31 H37 N O2'
_chemical_formula_weight         455.64
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_cell_angle_alpha                90.0000
_cell_angle_beta                 97.056(8)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            2
_cell_length_a                   10.1187(15)
_cell_length_b                   9.4944(14)
_cell_length_c                   14.032(2)
_cell_measurement_reflns_used    12203
_cell_measurement_temperature    296.1
_cell_measurement_theta_max      68.2
_cell_measurement_theta_min      3.2
_cell_volume                     1337.8(3)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.7.0'
_computing_structure_refinement  SHELXL
_computing_structure_solution    SIR92
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.967
_diffrn_measured_fraction_theta_max 0.967
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       w
_diffrn_radiation_type           'Cu K'a'
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.023
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            13272
_diffrn_reflns_theta_full        68.24
_diffrn_reflns_theta_max         68.24
_exptl_absorpt_coefficient_mu    0.538
_exptl_absorpt_correction_T_max  0.898
_exptl_absorpt_correction_T_min  0.716
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
    Higashi, T. (1995). Program for Absorption Correction.
    Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.131
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             492.00
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.20
_refine_diff_density_min         -0.23
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  1962 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.0(3)
_refine_ls_extinction_coef       0.0070(11)
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.258
_refine_ls_hydrogen_treatment    refall
_refine_ls_number_parameters     309
_refine_ls_number_reflns         4487
_refine_ls_R_factor_gt           0.0542
_refine_ls_shift/su_max          0.0020
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/['s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1711
_reflns_number_gt                3617
_reflns_number_total             4487
_reflns_threshold_expression     F^2^>2.0's(F^2^)
_cod_data_source_file            jo071005i-File001_2.cif
_cod_data_source_block           '_fukano06-R,S-2'
_cod_original_sg_symbol_H-M      'P 21'
_cod_original_formula_sum        'C31 H37 N O2 '
_cod_database_code               4024140