Synthesis of bicyclo[3.2.0]heptane lactones via a ligand-enabled Pd-catalyzed C(sp3)–H activation cascade
Fan, Zhoulong; Cai, Xinpei; Sheng, Tao; Yu, Jin-Quan; Chemical Science 16 (2025) 9436–9440; doi:10.1039/D5SC00711A

data_1574550
_publ_section_title
;
 Synthesis of bicyclo[3.2.0]heptane lactones via a ligand-enabled
 Pd-catalyzed C(sp3)--H activation cascade
;
_journal_issue                   21
_journal_name_full               'Chemical Science'
_journal_page_first              9436
_journal_page_last               9440
_journal_paper_doi               10.1039/D5SC00711A
_journal_volume                  16
_journal_year                    2025
_chemical_formula_moiety         'C12 H11 F O2'
_chemical_formula_sum            'C12 H11 F O2'
_chemical_formula_weight         206.21
_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
_atom_sites_solution_primary     dual
_audit_creation_date             2023-03-29
_audit_creation_method
;
Olex2 1.5
(compiled 2023.03.06 svn.rbb2c1857 for OlexSys, GUI svn.r6748)
;
_audit_update_record
;
2023-03-29 deposited with the CCDC.	2025-04-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.646(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.1406(5)
_cell_length_b                   5.8085(3)
_cell_length_c                   19.8674(11)
_cell_measurement_reflns_used    1856
_cell_measurement_temperature    100
_cell_measurement_theta_max      26.342
_cell_measurement_theta_min      3.164
_cell_volume                     938.42(9)
_computing_cell_refinement       'SAINT v8.40B (Bruker, 2019)'
_computing_data_collection       'APEX4 v2022.1-1 (Bruker, 2022)'
_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  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT  (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'Bruker Photon III Area Detector'
_diffrn_detector_area_resol_mean 7.407
_diffrn_detector_type            'CPAD Area Detector'
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       'Fixed Chi Three-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Double Bounce Multilayer Mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0579
_diffrn_reflns_av_unetI/netI     0.0316
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            14833
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.409
_diffrn_reflns_theta_min         2.505
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_current           50.0
_diffrn_source_power             2.5
_diffrn_source_type              'Bruker TXS'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_T_max  0.4908
_exptl_absorpt_correction_T_min  0.4049
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1376 before and 0.0643 after correction.
The Ratio of minimum to maximum transmission is 0.8250.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.460
_exptl_crystal_description       needle
_exptl_crystal_F_000             432
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.269
_refine_diff_density_min         -0.204
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         1919
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0419
_refine_ls_R_factor_gt           0.0353
_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^)+(0.0345P)^2^+0.4832P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0852
_refine_ls_wR_factor_ref         0.0897
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1641
_reflns_number_total             1919
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc00711a2.cif
_cod_data_source_block           yu228_0m_a
_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 1574549--1574550.cif.
;
_cod_database_code               1574550
_shelx_shelxl_version_number     2019/1
_shelx_estimated_absorpt_t_max   0.998
_shelx_estimated_absorpt_t_min   0.980
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Ternary CH refined with riding coordinates:
 C7(H7), C8(H8), C11(H11)
2.b Secondary CH2 refined with riding coordinates:
 C10(H10A,H10B), C12(H12A,H12B)
2.c Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C4(H4), C5(H5)
;
_shelx_res_checksum              25334
_olex2_submission_special_instructions 'No special instructions were received'