A two-step access to fused-/spiro-polycyclic frameworks <i>via</i> double Heck cascade and acid-driven processes.
Goel, Komal; Satyanarayana, Gedu; Organic & biomolecular chemistry 21 (2023) 6919–6925; doi:10.1039/d3ob01112g

data_7159534
_publ_section_title
;
 A two-step access to fused-/spiro-polycyclic frameworks <i>via</i> double
 Heck cascade and acid-driven processes.
;
_journal_issue                   34
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              6919
_journal_page_last               6925
_journal_paper_doi               10.1039/d3ob01112g
_journal_volume                  21
_journal_year                    2023
_chemical_formula_moiety         'C34 H30 O2'
_chemical_formula_sum            'C34 H30 O2'
_chemical_formula_weight         470.58
_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             2023-05-28
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2023-06-13 deposited with the CCDC.	2023-08-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 101.378(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.118(3)
_cell_length_b                   10.404(3)
_cell_length_c                   18.151(4)
_cell_measurement_reflns_used    9607
_cell_measurement_temperature    299(2)
_cell_measurement_theta_max      26.64
_cell_measurement_theta_min      2.27
_cell_volume                     2613.7(11)
_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 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      299.0
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0585
_diffrn_reflns_av_unetI/netI     0.0370
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            42000
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.145
_diffrn_reflns_theta_min         2.268
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.6906
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1055 before and 0.0626 after correction.
The Ratio of minimum to maximum transmission is 0.9264.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear light white'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    white
_exptl_crystal_density_diffrn    1.196
_exptl_crystal_description       block
_exptl_crystal_F_000             1000
_exptl_crystal_preparation       CH2Cl2
_exptl_crystal_recrystallization_method CH3CN
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.169
_refine_diff_density_min         -0.180
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     329
_refine_ls_number_reflns         5799
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0690
_refine_ls_R_factor_gt           0.0454
_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^)+(0.0468P)^2^+0.6610P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1049
_refine_ls_wR_factor_ref         0.1173
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4239
_reflns_number_total             5799
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ob01112g2.cif
_cod_data_source_block           mo_gs_kg_626_0m_a
_cod_depositor_comments
'Adding full bibliography for 7159532--7159534.cif.'
_cod_original_cell_volume        2613.9(11)
_cod_database_code               7159534
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.996
_shelx_estimated_absorpt_t_min   0.994
_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 Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B)
2.b Aromatic/amide H refined with riding coordinates:
 C5(H5), C6(H6), C8(H8), C12(H12), C13(H13), C14(H14), C15(H15), C16(H16),
 C19(H19), C20(H20), C21(H21), C22(H22), C23(H23), C25(H25), C27(H27), C28(H28)
2.c Idealised Me refined as rotating group:
 C31(H31A,H31B,H31C), C32(H32A,H32B,H32C), C33(H33A,H33B,H33C), C34(H34A,H34B,
 H34C)
;
_shelx_res_checksum              44863
_olex2_exptl_crystal_mounting_method Cryoloop
_olex2_submission_special_instructions 'No special instructions were received'