Metal-free radical bicyclization/chloroalkylarylation of 1,6-enynes with chloroalkanes.
Zhou, Hongxun; Li, Lijun; Yan, Qinqin; Ma, Jinyue; Wang, Ying; Gao, Yongjun; Liu, Zhong-Quan; Li, Zejiang; Chemical communications (Cambridge, England) 60 (2024) 3938–3941; doi:10.1039/d4cc00651h

data_7132823
_publ_section_title
;
 Metal-free radical bicyclization/chloroalkylarylation of 1,6-enynes with
 chloroalkanes.
;
_journal_issue                   29
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              3938
_journal_page_last               3941
_journal_paper_doi               10.1039/d4cc00651h
_journal_volume                  60
_journal_year                    2024
_chemical_formula_sum            'C24 H16 O2'
_chemical_formula_weight         336.37
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2024-02-03 deposited with the CCDC.	2024-03-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.186(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.2366(11)
_cell_length_b                   17.3994(15)
_cell_length_c                   8.2782(8)
_cell_measurement_reflns_used    2138
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      23.17
_cell_measurement_theta_min      2.78
_cell_volume                     1722.8(3)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0835
_diffrn_reflns_av_unetI/netI     0.0532
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            15822
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        23.286
_diffrn_reflns_theta_max         23.286
_diffrn_reflns_theta_min         2.776
_exptl_absorpt_coefficient_mu    0.081
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_description       prism
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.320
_exptl_crystal_size_mid          0.210
_exptl_crystal_size_min          0.110
_refine_diff_density_max         0.208
_refine_diff_density_min         -0.187
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.110
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         2481
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.110
_refine_ls_R_factor_all          0.1004
_refine_ls_R_factor_gt           0.0686
_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^)+(0.0395P)^2^+1.3514P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1453
_refine_ls_wR_factor_ref         0.1630
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1704
_reflns_number_total             2481
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4cc00651h2.cif
_cod_data_source_block           Z524
_cod_depositor_comments
'Adding full bibliography for 7132822--7132824.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7132823
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.974
_shelx_estimated_absorpt_t_max   0.991
_shelx_res_checksum              41374
_shelx_hkl_checksum              9554