Redox-neutral ketyl radical coupling/cyclization of carbonyls with N-aryl acrylamides through consecutive photoinduced electron transfer
Qu, Zhonghua; Tian, Tong; Tan, Yongbo; Ji, Xiaochen; Deng, Guo-Jun; Huang, Huawen; Green Chemistry 24 (2022) 7403–7409; doi:10.1039/D2GC01966C

data_7245190
_publ_section_title
;
 Redox-neutral ketyl radical coupling/cyclization of carbonyls with N-aryl
 acrylamides through consecutive photoinduced electron transfer
;
_journal_issue                   19
_journal_name_full               'Green Chemistry'
_journal_page_first              7403
_journal_page_last               7409
_journal_paper_doi               10.1039/D2GC01966C
_journal_volume                  24
_journal_year                    2022
_chemical_formula_moiety         'C18 H19 N O2'
_chemical_formula_sum            'C18 H19 N O2'
_chemical_formula_weight         281.34
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-06-30
_audit_creation_method
;
Olex2 1.3-alpha
(compiled 2020.09.11 svn.r3730fd0d for OlexSys, GUI svn.r6159)
;
_audit_update_record
;
2022-04-14 deposited with the CCDC.	2022-07-13 downloaded from the CCDC.
;
_cell_angle_alpha                94.614(8)
_cell_angle_beta                 101.272(8)
_cell_angle_gamma                99.213(7)
_cell_formula_units_Z            2
_cell_length_a                   7.8246(6)
_cell_length_b                   9.2051(7)
_cell_length_c                   10.7849(12)
_cell_measurement_reflns_used    2599
_cell_measurement_temperature    200.00(10)
_cell_measurement_theta_max      29.0250
_cell_measurement_theta_min      2.6780
_cell_volume                     746.96(12)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43f (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43f (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43f (Rigaku OD, 2015)'
_computing_molecular_graphics    'Olex2 1.3-alpha (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3-alpha (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      200.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 5.2684
_diffrn_detector_type            AtlasS2
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  59.00   1.00    1.20    --  -11.43  57.00  30.00   99
  2  \w    -79.00  11.00   1.00    1.20    --  -11.43 -57.00-120.00   90
  3  \w    -15.00  77.00   1.00    1.20    --   12.05  77.00 150.00   92
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, AtlasS2'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0109620000
_diffrn_orient_matrix_UB_12      -0.0252344000
_diffrn_orient_matrix_UB_13      -0.0613617000
_diffrn_orient_matrix_UB_21      0.0706826000
_diffrn_orient_matrix_UB_22      -0.0342571000
_diffrn_orient_matrix_UB_23      0.0281516000
_diffrn_orient_matrix_UB_31      -0.0609367000
_diffrn_orient_matrix_UB_32      -0.0660735000
_diffrn_orient_matrix_UB_33      -0.0004289000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0261
_diffrn_reflns_av_unetI/netI     0.0405
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            4822
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        24.996
_diffrn_reflns_theta_max         24.996
_diffrn_reflns_theta_min         1.938
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.76100
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43f (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.251
_exptl_crystal_description       block
_exptl_crystal_F_000             300
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.231
_refine_diff_density_min         -0.317
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         2633
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0547
_refine_ls_R_factor_gt           0.0469
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0633P)^2^+0.0976P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1131
_refine_ls_wR_factor_ref         0.1209
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2228
_reflns_number_total             2633
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2gc01966c2.cif
_cod_data_source_block           3064
_cod_depositor_comments
'Adding full bibliography for 7245189--7245190.cif.'
_cod_database_code               7245190
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.990
_shelx_estimated_absorpt_t_min   0.989
_reflns_odcompleteness_completeness 100.00
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Ternary CH refined with riding coordinates:
 C9(H9)
2.b Secondary CH2 refined with riding coordinates:
 C8(H8A,H8B)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2A), C3(H3), C4(H4), C5(H5), C11(H11), C12(H12), C13(H13), C14(H14),
 C15(H15)
2.d Idealised Me refined as rotating group:
 C16(H16A,H16B,H16C), C17(H17A,H17B,H17C)
2.e Idealised tetrahedral OH refined as rotating group:
 O2(H2)
;
_shelx_res_checksum              74969
_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
;
_oxdiff_exptl_absorpt_empirical_full_max 1.391
_oxdiff_exptl_absorpt_empirical_full_min 0.642