Chemo-selective cross reaction of two enals via carbene-catalyzed dual activation
Peng, Xiaolin; Xu, Jun; Li, Tingting; Chi, Yonggui Robin; Jin, Zhichao; Chemical Science 11 (2020) 12533–12539; doi:10.1039/D0SC03297B

data_1559732
_publ_section_title
;
 Chemo-selective cross reaction of two enals via carbene-catalyzed dual
 activation
;
_journal_issue                   46
_journal_name_full               'Chemical Science'
_journal_page_first              12533
_journal_page_last               12539
_journal_paper_doi               10.1039/D0SC03297B
_journal_volume                  11
_journal_year                    2020
_chemical_absolute_configuration unknown
_chemical_formula_sum            'C26 H19 Cl O2'
_chemical_formula_weight         398.86
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21 1'
_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                 95.440(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.0142(16)
_cell_length_b                   9.975(2)
_cell_length_c                   11.8175(14)
_cell_measurement_reflns_used    864
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      71.0690
_cell_measurement_theta_min      4.4500
_cell_volume                     1057.8(3)
_computing_cell_refinement       'Bruker FRAMBO'
_computing_data_collection       'Bruker FRAMBO'
_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      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.1281
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_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  0.0320
_diffrn_reflns_av_sigmaI/netI    0.0563
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            3442
_diffrn_reflns_theta_full        66.00
_diffrn_reflns_theta_max         66.00
_diffrn_reflns_theta_min         3.76
_exptl_absorpt_coefficient_mu    1.739
_exptl_absorpt_correction_T_max  0.8317
_exptl_absorpt_correction_T_min  0.5430
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             416
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.33
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.196
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.04(4)
_refine_ls_extinction_coef       0.0079(14)
_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   1.079
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     283
_refine_ls_number_reflns         2614
_refine_ls_number_restraints     177
_refine_ls_restrained_S_all      1.096
_refine_ls_R_factor_all          0.0844
_refine_ls_R_factor_gt           0.0655
_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^)+(0.0797P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1540
_refine_ls_wR_factor_ref         0.1784
_reflns_number_gt                1890
_reflns_number_total             2614
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d0sc03297b2.cif
_cod_data_source_block           190701a
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               1559732