Pd-Catalyzed [4 + 2] cycloaddition of methylene cyclic carbamates with dihydropyrazolone-derived alkenes: synthesis of spiropyrazolones.
Mao, Biming; Xu, Jiaqing; Shi, Wangyu; Wang, Wei; Wu, Yongjun; Xiao, Yumei; Guo, Hongchao; Organic & biomolecular chemistry 20 (2022) 4086–4090; doi:10.1039/d2ob00535b

data_7158695
_publ_section_title
;
 Pd-Catalyzed [4 + 2] cycloaddition of methylene cyclic carbamates with
 dihydropyrazolone-derived alkenes: synthesis of spiropyrazolones.
;
_journal_issue                   20
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              4086
_journal_page_last               4090
_journal_paper_doi               10.1039/d2ob00535b
_journal_volume                  20
_journal_year                    2022
_chemical_formula_moiety         '2(C28 H27 N3 O3 S), C6 H14'
_chemical_formula_sum            'C62 H68 N6 O6 S2'
_chemical_formula_weight         1057.34
_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     direct
_audit_creation_date             2019-07-05
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-08-18 deposited with the CCDC.	2022-04-26 downloaded from the CCDC.
;
_cell_angle_alpha                80.18(3)
_cell_angle_beta                 82.46(3)
_cell_angle_gamma                76.91(3)
_cell_formula_units_Z            1
_cell_length_a                   9.868(2)
_cell_length_b                   11.707(2)
_cell_length_c                   12.318(3)
_cell_measurement_reflns_used    4508
_cell_measurement_temperature    163(2)
_cell_measurement_theta_max      27.4778
_cell_measurement_theta_min      1.6857
_cell_volume                     1359.4(5)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      163.15
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'multiwire proportional'
_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  0.0381
_diffrn_reflns_av_unetI/netI     0.0445
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.985
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            14219
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.985
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.491
_diffrn_reflns_theta_min         2.129
_exptl_absorpt_coefficient_mu    0.157
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8976
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.292
_exptl_crystal_description       block
_exptl_crystal_F_000             562
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.972
_refine_diff_density_min         -0.489
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     346
_refine_ls_number_reflns         6130
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.0760
_refine_ls_R_factor_gt           0.0696
_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^)+(0.0849P)^2^+1.2391P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1819
_refine_ls_wR_factor_ref         0.1877
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5569
_reflns_number_total             6130
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ob00535b2.cif
_cod_data_source_block           bww19255
_cod_depositor_comments
'Adding full bibliography for 7158694--7158695.cif.'
_cod_database_code               7158695
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.969
_shelx_estimated_absorpt_t_min   0.963
_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)
2.b Secondary CH2 refined with riding coordinates:
 C9(H9A,H9B), C11(H11A,H11B), C30(H30A,H30B), C31(H31A,H31B)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C6(H6), C14(H14), C15(H15), C17(H17),
 C18(H18), C23(H23), C25(H25), C26(H26), C27(H27), C28(H28)
2.d X=CH2 refined with riding coordinates:
 C12(H12A,H12B)
2.e Idealised Me refined as rotating group:
 C19(H19A,H19B,H19C), C22(H22A,H22B,H22C), C29(H29A,H29B,H29C)
;
_olex2_submission_special_instructions 'No special instructions were received'