Ynamide Smiles Rearrangement Triggered by Visible-Light-Mediated Regioselective Ketyl-Ynamide Coupling: Rapid Access to Functionalized Indoles and Isoquinolines.
Wang, Ze-Shu; Chen, Yang-Bo; Zhang, Hao-Wen; Sun, Zhou; Zhu, Chunyin; Ye, Long-Wu; Journal of the American Chemical Society  (2020) –; doi:10.1021/jacs.9b13975

data_4134153
_publ_section_title
;
 Ynamide Smiles Rearrangement Triggered by Visible-Light-Mediated
 Regioselective Ketyl-Ynamide Coupling: Rapid Access to Functionalized
 Indoles and Isoquinolines.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.9b13975
_journal_year                    2020
_chemical_formula_moiety         'C28 H20 Br N'
_chemical_formula_sum            'C28 H20 Br N'
_chemical_formula_weight         450.36
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2019-03-12
_audit_creation_method
;
Olex2 1.2
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r4998)
;
_cell_angle_alpha                90
_cell_angle_beta                 93.813(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.3665(3)
_cell_length_b                   11.7506(5)
_cell_length_c                   24.4058(9)
_cell_measurement_reflns_used    5736
_cell_measurement_temperature    100.01(10)
_cell_measurement_theta_max      29.6900
_cell_measurement_theta_min      3.7660
_cell_volume                     2107.91(15)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100.01(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 10.4741
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
--------------------------------------------------------------------------
  1  \w    -40.00  55.00   1.00   50.00    --  -14.16  77.00  90.00   95
  2  \w    -19.00  89.00   1.00   50.00    --   14.16  77.00-120.00  108
  3  \w     -2.00  91.00   1.00   50.00    --   14.16  77.00   0.00   93
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0181856000
_diffrn_orient_matrix_UB_12      0.0592320000
_diffrn_orient_matrix_UB_13      0.0005694000
_diffrn_orient_matrix_UB_21      -0.0922827000
_diffrn_orient_matrix_UB_22      -0.0115369000
_diffrn_orient_matrix_UB_23      0.0046503000
_diffrn_orient_matrix_UB_31      0.0217680000
_diffrn_orient_matrix_UB_32      0.0006488000
_diffrn_orient_matrix_UB_33      0.0287413000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0786
_diffrn_reflns_av_unetI/netI     0.0704
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            15433
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.484
_diffrn_reflns_theta_min         3.269
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    1.965
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.48234
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46e (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_description       block
_exptl_crystal_F_000             920
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.875
_refine_diff_density_min         -0.642
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         4824
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0593
_refine_ls_R_factor_gt           0.0440
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0417P)^2^+0.3871P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0951
_refine_ls_wR_factor_ref         0.1056
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3798
_reflns_number_total             4824
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b13975_si_003.cif
_cod_data_source_block           wzs-20190311-1
_cod_original_cell_volume        2107.91(14)
_cod_database_code               4134153
_reflns_odcompleteness_completeness 99.78
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     27.42
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Ternary CH refined with riding coordinates:
 C7(H7)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C5(H5), C6(H6), C9(H9), C10(H10), C11(H11), C12(H12),
 C13(H13), C15(H15), C19(H19), C20(H20), C21(H21), C22(H22), C24(H24), C25(H25),
  C26(H26), C27(H27), C28(H28)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
- Detector area scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 2.796
_oxdiff_exptl_absorpt_empirical_full_min 0.191