Catalytic Enantioselective Total Synthesis of Hypocrolide A.
Qiao, Chuang; Zhang, Wen; Han, Jing-Chun; Li, Chuang-Chuang; Organic letters 18 (2016) 4932–4935; doi:10.1021/acs.orglett.6b02414

data_1555764
_publ_section_title
;
 Catalytic Enantioselective Total Synthesis of Hypocrolide A.
;
_journal_issue                   19
_journal_name_full               'Organic letters'
_journal_page_first              4932
_journal_page_last               4935
_journal_paper_doi               10.1021/acs.orglett.6b02414
_journal_volume                  18
_journal_year                    2016
_chemical_formula_sum            'C17 H18 N O6'
_chemical_formula_weight         332.32
_space_group_crystal_system      monoclinic
_space_group_IT_number           5
_space_group_name_Hall           'C 2y'
_space_group_name_H-M_alt        'C 1 2 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_cell_angle_alpha                90
_cell_angle_beta                 105.0589(11)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   20.9111(4)
_cell_length_b                   10.4665(2)
_cell_length_c                   15.9414(3)
_cell_measurement_reflns_used    291
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      15
_cell_volume                     3369.21(11)
_computing_cell_refinement       'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_data_collection       'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_data_reduction        'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_molecular_graphics    'BRUKER SHELXTL'
_computing_publication_material  'BRUKER SHELXTL'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_diffrn_measurement_method       'PHI & OMEGA SCAN'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0461
_diffrn_reflns_av_unetI/netI     0.0476
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            23994
_diffrn_reflns_point_group_measured_fraction_full 0.968
_diffrn_reflns_point_group_measured_fraction_max 0.968
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.247
_diffrn_reflns_theta_min         2.017
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6848
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.310
_exptl_crystal_description       block
_exptl_crystal_F_000             1400
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.248
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details
;
 Flack x determined using 1341 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   1.5(5)
_refine_ls_extinction_coef       0.0031(6)
_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   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     434
_refine_ls_number_reflns         5906
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0949
_refine_ls_R_factor_gt           0.0505
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0747P)^2^+0.6734P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1239
_refine_ls_wR_factor_ref         0.1448
_reflns_Friedel_coverage         0.827
_reflns_Friedel_fraction_full    0.932
_reflns_Friedel_fraction_max     0.932
_reflns_number_gt                3756
_reflns_number_total             5906
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol6b02414_si_003.cif
_cod_data_source_block           QERT
_cod_original_sg_symbol_H-M      'C 2'
_cod_database_code               1555764
_shelx_estimated_absorpt_t_min   0.961
_shelx_estimated_absorpt_t_max   0.980
_shelxl_version_number           2014/6
_shelx_res_checksum              23000
_shelx_hkl_checksum              37727