Chiral metal phosphate catalysis: highly asymmetric hetero-Diels-Alder reactions
Tao Liang; Guilong Li; Lukasz Wojtas; Jon C. Antilla; Chem.Commun. 50 (2014) 14187–; doi:10.1039/C4cc06520D

data_7115938
_publ_section_title
;
 Chiral metal phosphate catalysis: highly asymmetric hetero-Diels-Alder
 reactions
;
_journal_name_full               Chem.Commun.
_journal_page_first              14187
_journal_paper_doi               10.1039/C4cc06520D
_journal_volume                  50
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_moiety         "'C19 H14 Cl N O3"
_chemical_formula_sum            'C19 H14 Cl N O3'
_chemical_formula_weight         339.76
_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                   5.70670(10)
_cell_length_b                   13.4355(2)
_cell_length_c                   20.8250(3)
_cell_measurement_temperature    228(2)
_cell_volume                     1596.70(4)
_computing_cell_refinement       'APEX2 (Bruker, 2010); SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2010)'
_computing_data_reduction        'SAINT (Bruker, 2009);XPREP(Sheldrick,2008)'
_computing_publication_material  'OLEX2 (Dolomanov,2009)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008), OLEX2 (2009)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      228(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'BRUKER SMART APEXII CCD'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0322
_diffrn_reflns_av_sigmaI/netI    0.0231
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            19107
_diffrn_reflns_theta_full        68.38
_diffrn_reflns_theta_max         68.38
_diffrn_reflns_theta_min         3.92
_exptl_absorpt_coefficient_mu    2.265
_exptl_absorpt_correction_T_max  0.8396
_exptl_absorpt_correction_T_min  0.4644
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; (Sheldrick, 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.413
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.145
_refine_diff_density_min         -0.159
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.009(13)
_refine_ls_extinction_coef       0.0020(3)
_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   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         2884
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0293
_refine_ls_R_factor_gt           0.0281
_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^)+(0.0400P)^2^+0.2759P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0726
_refine_ls_wR_factor_ref         0.0736
_reflns_number_gt                2787
_reflns_number_total             2884
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc06520d2.cif
_cod_data_source_block           5b
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               7115938