Palladium-catalysed asymmetric annulations of Morita-Baylis-Hillman carbonates with allenes or alkenes <i>via</i> migratory insertion.
Huang, Jin-Yu; Qin, Xin-Ting; Rao, Han-Wen; Chen, Zhi-Chao; Zhu, Lei; Ouyang, Qin; Du, Wei; Chen, Ying-Chun; Chemical science 16 (2025) 22456–22464; doi:10.1039/d5sc06910f

data_1576043
_publ_section_title
;
 Palladium-catalysed asymmetric annulations of Morita-Baylis-Hillman
 carbonates with allenes or alkenes <i>via</i> migratory insertion.
;
_journal_issue                   47
_journal_name_full               'Chemical science'
_journal_page_first              22456
_journal_page_last               22464
_journal_paper_doi               10.1039/d5sc06910f
_journal_volume                  16
_journal_year                    2025
_chemical_formula_moiety         'C38 H30 N2 O3'
_chemical_formula_sum            'C38 H30 N2 O3'
_chemical_formula_weight         562.64
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2025-04-08
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2025-07-16 deposited with the CCDC.	2025-10-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   20.9949(14)
_cell_length_b                   10.6889(7)
_cell_length_c                   26.4893(18)
_cell_measurement_reflns_used    9912
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      68.188
_cell_measurement_theta_min      3.337
_cell_volume                     5944.5(7)
_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      200.0
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0697
_diffrn_reflns_av_unetI/netI     0.0216
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            125013
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.402
_diffrn_reflns_theta_min         3.946
_diffrn_source_current           1.1
_diffrn_source_power             0.055
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.632
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.5588
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1526 before and 0.0844 after correction.
The Ratio of minimum to maximum transmission is 0.7420.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear yellowish yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   yellowish
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.257
_exptl_crystal_description       block
_exptl_crystal_F_000             2368
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.219
_refine_diff_density_min         -0.179
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     388
_refine_ls_number_reflns         5444
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0437
_refine_ls_R_factor_gt           0.0396
_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^)+(0.0554P)^2^+1.7161P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1066
_refine_ls_wR_factor_ref         0.1104
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4844
_reflns_number_total             5444
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc06910f2.cif
_cod_data_source_block           20
_cod_depositor_comments
'Adding full bibliography for 1576040--1576044.cif.'
_cod_database_code               1576043
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.969
_shelx_estimated_absorpt_t_min   0.743
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
2.a Ternary CH refined with riding coordinates:
 C23(H23)
2.b Secondary CH2 refined with riding coordinates:
 C11(H11A,H11B), C22(H22A,H22B)
2.c Aromatic/amide H refined with riding coordinates:
 N1(H1), C1(H1A), C2(H2), C4(H4), C5(H5), C13(H13), C14(H14), C15(H15),
 C16(H16), C17(H17), C18(H18), C20(H20), C21(H21), C25(H25), C27(H27), C28(H28),
  C29(H29), C30(H30), C32(H32), C33(H33), C34(H34), C35(H35), C37(H37)
2.d X=CH2 refined with riding coordinates:
 C38(H38A,H38B)
;
_olex2_submission_special_instructions 'No special instructions were received'