Direct access to furan and cyclopropane derivatives <i>via</i> palladium-catalyzed C-H activation/alkene insertion/annulation.
Zhang, Xu; Chang, Mengfan; Xu, Xuefeng; Zhao, Qiang; Chemical communications (Cambridge, England) 60 (2024) 6769–6772; doi:10.1039/d4cc01964d

data_7133158
_publ_section_title
;
 Direct access to furan and cyclopropane derivatives <i>via</i>
 palladium-catalyzed C-H activation/alkene insertion/annulation.
;
_journal_issue                   53
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              6769
_journal_page_last               6772
_journal_paper_doi               10.1039/d4cc01964d
_journal_volume                  60
_journal_year                    2024
_chemical_formula_moiety         'C18 H14 O2'
_chemical_formula_sum            'C18 H14 O2'
_chemical_formula_weight         262.29
_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             2024-04-24
_audit_creation_method
;
Olex2 1.5
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2024-04-24 deposited with the CCDC.	2024-06-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 109.0620(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.2312(4)
_cell_length_b                   14.7726(6)
_cell_length_c                   8.2671(3)
_cell_measurement_reflns_used    5804
_cell_measurement_temperature    298.00
_cell_measurement_theta_max      26.73
_cell_measurement_theta_min      2.36
_cell_volume                     1296.42(8)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      298.00
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0584
_diffrn_reflns_av_unetI/netI     0.0234
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            25739
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.007
_diffrn_reflns_theta_max         25.007
_diffrn_reflns_theta_min         2.363
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6885
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1182 before and 0.0641 after correction.
The Ratio of minimum to maximum transmission is 0.9233.
The \l/2 correction factor is Not present.
;
_exptl_crystal_density_diffrn    1.344
_exptl_crystal_description       block
_exptl_crystal_F_000             552
_refine_diff_density_max         0.290
_refine_diff_density_min         -0.161
_refine_diff_density_rms         0.032
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2275
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0508
_refine_ls_R_factor_gt           0.0418
_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^)+(0.0614P)^2^+0.3124P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1149
_refine_ls_wR_factor_ref         0.1233
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1867
_reflns_number_total             2275
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4cc01964d2.cif
_cod_data_source_block           1
_cod_depositor_comments          'Adding full bibliography for 7133158.cif.'
_cod_database_code               7133158
_shelx_shelxl_version_number     2018/3
_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:
 C6(H6), C17(H17)
2.b Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C2(H2A,H2B), C1(H1A,H1B)
2.c Aromatic/amide H refined with riding coordinates:
 C8(H8), C10(H10), C9(H9), C12(H12), C14(H14), C13(H13)
;
_olex2_submission_special_instructions 'No special instructions were received'