Two-step asymmetric reaction using the frozen chirality generated by spontaneous crystallization.
Yagishita, Fumitoshi; Mino, Takashi; Fujita, Tsutomu; Sakamoto, Masami; Organic letters 14 (2012) 2638–2641; doi:10.1021/ol301033r

data_1507733
_publ_section_title
;
 Two-step asymmetric reaction using the frozen chirality generated by
 spontaneous crystallization.
;
_journal_issue                   10
_journal_name_full               'Organic letters'
_journal_page_first              2638
_journal_page_last               2641
_journal_paper_doi               10.1021/ol301033r
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C24 H33 N3 O2'
_chemical_formula_weight         395.53
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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            8
_cell_length_a                   10.1320(12)
_cell_length_b                   15.1023(17)
_cell_length_c                   28.170(3)
_cell_measurement_reflns_used    1822
_cell_measurement_temperature    173
_cell_measurement_theta_max      19.59
_cell_measurement_theta_min      2.48
_cell_volume                     4310.5(8)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_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  0.0589
_diffrn_reflns_av_sigmaI/netI    0.0441
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            19373
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.48
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.9846
_exptl_absorpt_correction_T_min  0.9770
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS Sheldrick 1997'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.219
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1712
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.643
_refine_diff_density_min         -0.295
_refine_diff_density_rms         0.046
_refine_ls_extinction_coef       0.0017(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.995
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     268
_refine_ls_number_reflns         3794
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.995
_refine_ls_R_factor_all          0.0831
_refine_ls_R_factor_gt           0.0508
_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^)+(0.0720P)^2^+1.4355P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1277
_refine_ls_wR_factor_ref         0.1451
_reflns_number_gt                2551
_reflns_number_total             3794
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol301033r_si_003.cif
_cod_data_source_block           saka285_pbca_y
_cod_depositor_comments
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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_values 1715 2011-07-08 13:25:40Z adriana 

 Adding full bibliography for 1507732--1507735.cif.
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_cod_original_cell_volume        4310.5(9)
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               1507733