Organocatalytic regio- and enantioselective C1-arylation of β,γ-alkynyl-α-imino esters with pyrrolo[2,1-<i>a</i>]isoquinolines.
Zhang, Xuan; Song, Xiaoxiao; Ni, Qijian; Chemical communications (Cambridge, England) 60 (2024) 831–834; doi:10.1039/d3cc04946a

data_7132486
_publ_section_title
;
 Organocatalytic regio- and enantioselective C1-arylation of
 &#x3b2;,&#x3b3;-alkynyl-&#x3b1;-imino esters with
 pyrrolo[2,1-<i>a</i>]isoquinolines.
;
_journal_issue                   7
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              831
_journal_page_last               834
_journal_paper_doi               10.1039/d3cc04946a
_journal_volume                  60
_journal_year                    2024
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C34 H28 N2 O6'
_chemical_formula_sum            'C34 H28 N2 O6'
_chemical_formula_weight         560.58
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2023-04-22
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2023-04-28 deposited with the CCDC.	2023-12-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.2858(6)
_cell_length_b                   10.8685(7)
_cell_length_c                   27.6229(17)
_cell_measurement_reflns_used    9207
_cell_measurement_temperature    300.00
_cell_measurement_theta_max      71.847
_cell_measurement_theta_min      4.373
_cell_volume                     2787.8(3)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_collection       'Bruker D8 Venture diffractrometer'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/2 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      300.00
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0969
_diffrn_reflns_av_unetI/netI     0.0359
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            86659
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.594
_diffrn_reflns_theta_min         3.200
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_target            Mo
_diffrn_source_type              'Incoatec I\ms'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.753
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.4361
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1557 before and 0.0859 after correction.
The Ratio of minimum to maximum transmission is 0.5787.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.336
_exptl_crystal_description       block
_exptl_crystal_F_000             1176
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.250
_refine_diff_density_min         -0.221
_refine_diff_density_rms         0.059
_refine_ls_abs_structure_details
;
 Flack x determined using 2034 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.13(7)
_refine_ls_extinction_coef       0.0033(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2019/2 (Sheldrick 2019)'
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     382
_refine_ls_number_reflns         5556
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0470
_refine_ls_R_factor_gt           0.0430
_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^)+(0.0733P)^2^+0.1366P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1090
_refine_ls_wR_factor_ref         0.1124
_reflns_Friedel_coverage         0.758
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                5006
_reflns_number_total             5556
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3cc04946a2.cif
_cod_data_source_block           20230421i
_cod_depositor_comments
'Adding full bibliography for 7132486--7132487.cif.'
_cod_database_code               7132486
_shelx_shelxl_version_number     2019/2
_shelx_estimated_absorpt_t_max   0.915
_shelx_estimated_absorpt_t_min   0.895
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C14(H14A,H14B), C28(H28A,H28B)
2.b Aromatic/amide H refined with riding coordinates:
 N2(H2), C1(H1), C6(H6), C7(H7), C8(H8), C9(H9), C11(H11), C12(H12), C18(H18),
 C19(H19), C20(H20), C21(H21), C22(H22), C30(H30), C31(H31), C32(H32), C33(H33),
  C34(H34)
2.c Idealised Me refined as rotating group:
 C15(H15A,H15B,H15C), C26(H26A,H26B,H26C)
;
_shelx_res_checksum              5911
_shelx_hkl_checksum              82729
_olex2_submission_special_instructions 'No special instructions were received'