Palladium-catalysed asymmetric cascade transformations of 4-alken-2-ynyl carbonates to construct complex frameworks.
He, Ze-Liang; Li, Li; Chen, Zhi-Chao; Du, Wei; Chen, Ying-Chun; Chemical science 16 (2025) 3124–3129; doi:10.1039/d4sc07823c

data_1574054
_publ_section_title
;
 Palladium-catalysed asymmetric cascade transformations of 4-alken-2-ynyl
 carbonates to construct complex frameworks.
;
_journal_issue                   7
_journal_name_full               'Chemical science'
_journal_page_first              3124
_journal_page_last               3129
_journal_paper_doi               10.1039/d4sc07823c
_journal_volume                  16
_journal_year                    2025
_chemical_formula_moiety         'C29 H28 N2 O4 S'
_chemical_formula_sum            'C29 H28 N2 O4 S'
_chemical_formula_weight         500.59
_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             2024-04-18
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2024-09-01 deposited with the CCDC.	2025-01-16 downloaded from the CCDC.
;
_cell_angle_alpha                86.841(7)
_cell_angle_beta                 76.742(7)
_cell_angle_gamma                75.308(7)
_cell_formula_units_Z            2
_cell_length_a                   7.4687(15)
_cell_length_b                   12.636(2)
_cell_length_c                   14.057(3)
_cell_measurement_reflns_used    3954
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.686
_cell_measurement_theta_min      2.231
_cell_volume                     1249.0(4)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2014/7 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      150.0
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.935
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0923
_diffrn_reflns_av_unetI/netI     0.0765
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.935
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            17419
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.935
_diffrn_reflns_theta_full        24.996
_diffrn_reflns_theta_max         24.996
_diffrn_reflns_theta_min         2.231
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.168
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5155
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1519 before and 0.0834 after correction.
The Ratio of minimum to maximum transmission is 0.6914.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.331
_exptl_crystal_description       block
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.896
_refine_diff_density_min         -0.436
_refine_diff_density_rms         0.101
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.113
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     330
_refine_ls_number_reflns         4281
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.113
_refine_ls_R_factor_all          0.1265
_refine_ls_R_factor_gt           0.0965
_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^)+(0.1384P)^2^+2.7285P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2626
_refine_ls_wR_factor_ref         0.2881
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3012
_reflns_number_total             4281
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc07823c2.cif
_cod_data_source_block           20
_cod_original_cell_volume        1249.1(4)
_cod_database_code               1574054
_shelx_shelxl_version_number     2014/7
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.9989(5)
 0.0011(5)
2. 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, All O(H) groups
3.a Ternary CH refined with riding coordinates:
 C8(H8), C14(H14), C22(H22)
3.b Secondary CH2 refined with riding coordinates:
 C15(H15A,H15B)
3.c Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C11(H11), C12(H12), C13(H13), C18(H18), C23(H23), C24(H24),
 C25(H25), C26(H26), C27(H27), C28(H28), C29(H29)
3.d Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C16(H16A,H16B,H16C), C20(H20A,H20B,H20C)
3.e Idealised tetrahedral OH refined as rotating group:
 O2(H2)
;
_shelx_res_checksum              68855
_olex2_submission_special_instructions 'No special instructions were received'