Enantioselective Rh-Catalyzed Carboacylation of C═N Bonds via C-C Activation of Benzocyclobutenones.
Deng, Lin; Xu, Tao; Li, Hongbo; Dong, Guangbin; Journal of the American Chemical Society 138 (2016) 369–374; doi:10.1021/jacs.5b11120

data_4129862
_publ_section_title
;
 Enantioselective Rh-Catalyzed Carboacylation of C&#x2550;N Bonds via C-C
 Activation of Benzocyclobutenones.
;
_journal_issue                   1
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              369
_journal_page_last               374
_journal_paper_doi               10.1021/jacs.5b11120
_journal_volume                  138
_journal_year                    2016
_chemical_absolute_configuration unk
_chemical_formula_moiety         '0.83 C19 H19 N O2, 0.17 C19 H19 N O3'
_chemical_formula_sum            'C19 H19 N O2.2'
_chemical_formula_weight         296.55
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.2495(3)
_cell_length_b                   12.0484(3)
_cell_length_c                   14.9606(7)
_cell_measurement_reflns_used    5382
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      72.8
_cell_measurement_theta_min      3.64
_cell_volume                     1486.98(10)
_computing_cell_refinement
'CrysAlisPro V 1.171.37.31, Agilent Technologies'
_computing_data_collection
'CrysAlisPro V 1.171.37.31, Agilent Technologies'
_computing_data_reduction
'CrysAlisPro V 1.171.37.31, Agilent Technologies'
_computing_molecular_graphics    'XP SHELXTL/PC, Siemens Analytical'
_computing_publication_material  'XL SHELXTL/PC, Siemens Analytical'
_computing_structure_refinement  'Shelxl-2013, Sheldrick, G. M.'
_computing_structure_solution
;

SUPERFLIP.  Palatinus, L. and Chapuis, G., J. Appl. Cryst. 40, 786-790.
;
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Agilent SuperNova with AtlasS2 CCD'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0376
_diffrn_reflns_av_unetI/netI     0.0302
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.985
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            9736
_diffrn_reflns_point_group_measured_fraction_full 0.988
_diffrn_reflns_point_group_measured_fraction_max 0.960
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         74.417
_diffrn_reflns_theta_min         4.712
_diffrn_source                   'sealed microfocus tube'
_exptl_absorpt_coefficient_mu    0.689
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.849
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.27t (Agilent, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.325
_exptl_crystal_description       plate
_exptl_crystal_F_000             630
_exptl_crystal_size_max          0.210
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.162
_refine_diff_density_min         -0.277
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details
;
 Flack x determined using 1057 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.13(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     206
_refine_ls_number_reflns         2909
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0434
_refine_ls_R_factor_gt           0.0410
_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^)+(0.0530P)^2^+0.3740P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1030
_refine_ls_wR_factor_ref         0.1049
_reflns_Friedel_coverage         0.687
_reflns_Friedel_fraction_full    0.972
_reflns_Friedel_fraction_max     0.927
_reflns_number_gt                2753
_reflns_number_total             2909
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5b11120_si_005.cif
_cod_data_source_block           shelx
_cod_original_formula_sum        'C19 H19 N O2.20'
_cod_database_code               4129862
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.869
_shelx_estimated_absorpt_t_max   0.980
_shelx_res_checksum              99088
_shelx_hkl_checksum              7497