Metavanadate-mediated hydroxyl activation enhances reaction efficiency in the carboxylative cyclization of propargyl alcohol with CO2
Niu, Hanlin; Liu, Andi; Hu, Zunfeng; Zhu, Xiangtao; Zhang, Bowen; Zhang, Shuai; New Journal of Chemistry 50 (2026) 3754–3762; doi:10.1039/D5NJ04972E

data_7064229
_publ_section_title
;
 Metavanadate-mediated hydroxyl activation enhances reaction efficiency in
 the carboxylative cyclization of propargyl alcohol with CO2
;
_journal_issue                   8
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              3754
_journal_page_last               3762
_journal_paper_doi               10.1039/D5NJ04972E
_journal_volume                  50
_journal_year                    2026
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C22 H28 O4'
_chemical_formula_sum            'C22 H28 O4'
_chemical_formula_weight         356.44
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2024-03-13
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2024-10-29 deposited with the CCDC.	2026-01-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.743(7)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.1152(16)
_cell_length_b                   10.943(2)
_cell_length_c                   10.445(2)
_cell_measurement_reflns_used    3650
_cell_measurement_temperature    293.00
_cell_measurement_theta_max      27.24
_cell_measurement_theta_min      2.70
_cell_volume                     926.5(3)
_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      293.00
_diffrn_detector                 CPAD
_diffrn_detector_area_resol_mean 7.41
_diffrn_detector_type            'Bruker PHOTON II'
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.992
_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  0.0394
_diffrn_reflns_av_unetI/netI     0.0533
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            8637
_diffrn_reflns_point_group_measured_fraction_full 0.955
_diffrn_reflns_point_group_measured_fraction_max 0.957
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.414
_diffrn_reflns_theta_min         1.952
_diffrn_source                   TXS
_diffrn_source_current           40.0
_diffrn_source_power             1.8
_diffrn_source_type              'Rotaing Anode'
_diffrn_source_voltage           45.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6309
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1105 before and 0.0574 after correction.
The Ratio of minimum to maximum transmission is 0.8462.
The \l/2 correction factor is Not present.
;
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_description       block
_exptl_crystal_F_000             384
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.188
_refine_diff_density_min         -0.145
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details
;
 Flack x determined using 1230 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.0(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         4056
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0602
_refine_ls_R_factor_gt           0.0465
_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^)+(0.0497P)^2^+0.0971P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1070
_refine_ls_wR_factor_ref         0.1157
_reflns_Friedel_coverage         0.831
_reflns_Friedel_fraction_full    0.915
_reflns_Friedel_fraction_max     0.917
_reflns_number_gt                3366
_reflns_number_total             4056
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5nj04972e2.cif
_cod_data_source_block           240313lu_lgpz082016_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 7064229.cif.
;
_cod_database_code               7064229
_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:
 C7(H7), C12(H12), C13(H13)
2.b Secondary CH2 refined with riding coordinates:
 C5(H5A,H5B), C6(H6A,H6B), C10(H10A,H10B), C11(H11A,H11B), C14(H14A,H14B),
 C15(H15A,H15B), C19(H19A,H19B), C20(H20A,H20B)
2.c Aromatic/amide H refined with riding coordinates:
 C22(H22)
2.d X=CH2 refined with riding coordinates:
 C2(H2A,H2B)
2.e Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C), C18(H18A,H18B,H18C)
;
_shelx_res_checksum              13106
_olex2_submission_special_instructions 'No special instructions were received'
_site                            XU