Highly regioselective α-formylation and α-acylation of BODIPY dyes via tandem cross-dehydrogenative coupling with in situ deprotection.
Lv, Fan; Yu, Yang; Hao, Erhong; Yu, Changjiang; Wang, Hua; Boens, Noël; Jiao, Lijuan; Organic & biomolecular chemistry 17 (2019) 5121–5128; doi:10.1039/c9ob00927b

data_7156830
_publ_section_title
;
 Highly regioselective \a-formylation and \a-acylation of BODIPY dyes via
 tandem cross-dehydrogenative coupling with in situ deprotection.
;
_journal_issue                   20
_journal_name_full               'Organic & biomolecular chemistry'
_journal_page_first              5121
_journal_page_last               5128
_journal_paper_doi               10.1039/c9ob00927b
_journal_volume                  17
_journal_year                    2019
_chemical_formula_moiety         '0.06(C27 H22 B2 F4 N4)'
_chemical_formula_sum            'C1.69 H1.38 B0.12 F0.25 N0.25'
_chemical_formula_weight         31.26
_chemical_name_systematic        2017
_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'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2018-01-08
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2016.11.30 svn.r3356 for OlexSys, GUI svn.r5269)
;
_audit_update_record
;
2018-01-09 deposited with the CCDC.    2019-05-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 114.631(3)
_cell_angle_gamma                90
_cell_formula_units_Z            64
_cell_length_a                   12.522(3)
_cell_length_b                   15.930(4)
_cell_length_c                   13.262(3)
_cell_measurement_reflns_used    3734
_cell_measurement_temperature    293.15
_cell_measurement_theta_max      25.28
_cell_measurement_theta_min      2.20
_cell_volume                     2404.7(10)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_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    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      293.15
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1258
_diffrn_reflns_av_unetI/netI     0.1235
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            22141
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.304
_diffrn_reflns_theta_min         1.789
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.103
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6577
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1107 before and 0.0553 after correction.
The Ratio of minimum to maximum transmission is 0.8826.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            'dull reddish red'
_exptl_crystal_colour_lustre     dull
_exptl_crystal_colour_modifier   reddish
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.381
_exptl_crystal_description       cube
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.270
_refine_diff_density_min         -0.257
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.887
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     337
_refine_ls_number_reflns         4358
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.887
_refine_ls_R_factor_all          0.1884
_refine_ls_R_factor_gt           0.0823
_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^)+(0.2000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2292
_refine_ls_wR_factor_ref         0.2878
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2131
_reflns_number_total             4358
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ob00927b2.cif
_cod_data_source_block           1
_cod_depositor_comments
'Adding full bibliography for 7156827--7156830.cif.'
_cod_original_cell_volume        2404.7(11)
_cod_database_code               7156830
_shelx_estimated_absorpt_t_max   0.980
_shelx_estimated_absorpt_t_min   0.978
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C17(H17), C16(H16), C21(H21), C14(H14), C23(H23), C12(H12), C3(H3), C13(H13),
 C24(H24), C7(H7), C25(H25), C22(H22), C26(H26)
2.b Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C1(H1A,H1B,H1C)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'