De novo synthesis of 6-6-5 fused systems through electrochemical decarboxylation and radical domino additions
Yuan, Chengcheng; Liu, Guanru; Guan, Wenjing; Hang, Jinlin; Fang, Zheng; Liu, Chengkou; Guo, Kai; Green Chemistry 26 (2024) 10308–10313; doi:10.1039/D4GC03260H

data_7249291
_publ_section_title
;
 De novo synthesis of 6-6-5 fused systems through electrochemical
 decarboxylation and radical domino additions
;
_journal_issue                   19
_journal_name_full               'Green Chemistry'
_journal_page_first              10308
_journal_page_last               10313
_journal_paper_doi               10.1039/D4GC03260H
_journal_volume                  26
_journal_year                    2024
_chemical_formula_moiety         'C31 H30 O4'
_chemical_formula_sum            'C31 H30 O4'
_chemical_formula_weight         466.55
_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             2024-03-30
_audit_creation_method
;
Olex2 1.5
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2024-07-03 deposited with the CCDC.	2024-09-06 downloaded from the CCDC.
;
_cell_angle_alpha                97.191(3)
_cell_angle_beta                 93.243(3)
_cell_angle_gamma                102.955(3)
_cell_formula_units_Z            2
_cell_length_a                   6.6573(6)
_cell_length_b                   11.2660(8)
_cell_length_c                   16.8729(14)
_cell_measurement_reflns_used    5667
_cell_measurement_temperature    193.00
_cell_measurement_theta_max      23.83
_cell_measurement_theta_min      2.44
_cell_volume                     1218.88(17)
_computing_cell_refinement       'SAINT V8.40B (Bruker, 2019)'
_computing_data_collection       'APEX5 V2023.9-2 (Bruker, 2023)'
_computing_data_reduction        'SAINT V8.40B (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      193.00
_diffrn_detector                 CPAD
_diffrn_detector_area_resol_mean 7.41
_diffrn_detector_type            'Bruker PHOTON II'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 VENTURE TXS PHOTON II'
_diffrn_measurement_method       '\w and \f shutterless scans'
_diffrn_measurement_specimen_support 'nylon loop'
_diffrn_radiation_monochromator  'Helios Multi-layer Optic'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1032
_diffrn_reflns_av_unetI/netI     0.0502
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            45709
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.343
_diffrn_reflns_theta_min         2.087
_diffrn_source                   TXS
_diffrn_source_current           1.6
_diffrn_source_power             0.08
_diffrn_source_type              'Rotaing Anode'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6384
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1408 before and 0.0755 after correction.
The Ratio of minimum to maximum transmission is 0.8562.
The \l/2 correction factor is Not present.
;
_exptl_crystal_density_diffrn    1.271
_exptl_crystal_description       block
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.840
_refine_diff_density_min         -0.299
_refine_diff_density_rms         0.065
_refine_ls_extinction_coef       0.013(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2019/2 (Sheldrick 2019)'
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     320
_refine_ls_number_reflns         4441
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.1030
_refine_ls_R_factor_gt           0.0660
_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^)+(0.0837P)^2^+1.1390P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1699
_refine_ls_wR_factor_ref         0.2009
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2931
_reflns_number_total             4441
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4gc03260h2.cif
_cod_data_source_block           mo_240326lu_lgpz134990_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' 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 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 7249291.cif.
;
_cod_database_code               7249291
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_max   0.993
_shelx_estimated_absorpt_t_min   0.990
_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
2.a Ternary CH refined with riding coordinates:
 C4(H4), C6(H6)
2.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C5(H5A,H5B), C25(H25A,H25B)
2.c Aromatic/amide H refined with riding coordinates:
 C10(H10), C13(H13), C14(H14), C16(H16), C17(H17), C18(H18), C19(H19),
 C22(H22), C27(H27), C28(H28), C29(H29), C30(H30), C31(H31)
2.d Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C23(H23A,H23B,H23C), C24(H24A,H24B,H24C)
;
_shelx_res_checksum              73419
_olex2_submission_special_instructions 'No special instructions were received'
_site                            XU