VAPOL phosphoric acid catalysis: the highly enantioselective addition of imides to imines.
Liang, Yuxue; Rowland, Emily B; Rowland, Gerald B; Perman, Jason A; Antilla, Jon C; Chemical communications (Cambridge, England)  (2007) 4477–4479; doi:10.1039/b709276h

data_7102256
_publ_section_title
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 VAPOL phosphoric acid catalysis: the highly enantioselective addition
 of imides to imines.
;
_journal_issue                   43
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              4477
_journal_page_last               4479
_journal_paper_doi               10.1039/b709276h
_journal_year                    2007
_chemical_absolute_configuration R
_chemical_formula_sum            'C20 H19 Cl N2 O4'
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_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
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_cell_formula_units_Z            4
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_cell_length_b                   12.015(4)
_cell_length_c                   9.785(4)
_cell_measurement_reflns_used    2998
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.22
_cell_measurement_theta_min      2.93
_cell_volume                     1942.7(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_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  0.0593
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_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -19
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_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4683
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         2.08
_exptl_absorpt_coefficient_mu    0.224
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.060
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       parallelepip
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.434
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.13(11)
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_refine_ls_number_reflns         3258
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_refine_ls_R_factor_all          0.0792
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_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^)+(0.1191P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1554
_refine_ls_wR_factor_ref         0.1688
_reflns_number_gt                2520
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_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b709276h.txt
_cod_data_source_block           clam1
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
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
'/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 
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_cod_original_sg_symbol_H-M      C2
_cod_database_code               7102256