General C-H Arylation Strategy for the Synthesis of Tunable Visible Light-Emitting Benzo[a]imidazo[2,1,5-c,d]indolizine Fluorophores.
Lévesque, Éric; Bechara, William S.; Constantineau-Forget, Léa; Pelletier, Guillaume; Rachel, Natalie M.; Pelletier, Joelle N.; Charette, André B; The Journal of organic chemistry 82 (2017) 5046–5067; doi:10.1021/acs.joc.6b02928

data_4032487
_publ_section_title
;
 General C-H Arylation Strategy for the Synthesis of Tunable Visible
 Light-Emitting Benzo[a]imidazo[2,1,5-c,d]indolizine Fluorophores.
;
_journal_issue                   10
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              5046
_journal_page_last               5067
_journal_paper_doi               10.1021/acs.joc.6b02928
_journal_volume                  82
_journal_year                    2017
_chemical_formula_moiety         'C19 H12 N2'
_chemical_formula_sum            'C19 H12 N2'
_chemical_formula_weight         268.31
_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     direct
_audit_creation_date             2014-11-14
_audit_creation_method
;
Olex2 1.2
(compiled 2014.09.19 svn.r3010 for OlexSys, GUI svn.r4874)
;
_cell_angle_alpha                90
_cell_angle_beta                 99.593(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.6062(8)
_cell_length_b                   15.8957(10)
_cell_length_c                   6.5668(4)
_cell_measurement_reflns_used    8560
_cell_measurement_temperature    150
_cell_measurement_theta_max      69.853
_cell_measurement_theta_min      3.556
_cell_volume                     1297.48(14)
_computing_cell_refinement
'SAINT (2013) V8.34A; Integration Software for Single Crystal Data. Bruker AXS Inc., Madison, WI 53719-1173.'
_computing_data_collection
;
APEX 2 (2013) Bruker AXS Inc., Madison, WI 53719-1173.
;
_computing_data_reduction
'SAINT (2013) V8.34A; Integration Software for Single Crystal Data. Bruker AXS Inc., Madison, WI 53719-1173.'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XT (Sheldrick, 2008)'
_diffrn_ambient_temperature      150
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 8.3
_diffrn_detector_type            'Bruker Platinum 135 CCD Area Detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       'k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker Microstar X8'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_collimation    'Focusing mirrors'
_diffrn_radiation_monochromator  'Helios Mirror Optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0747
_diffrn_reflns_av_unetI/netI     0.0456
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            22805
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         70.147
_diffrn_reflns_theta_min         3.556
_diffrn_source                   'Rotating-anode X-ray tube'
_diffrn_source_target            Cu
_diffrn_source_type              'Bruker Microstar/FR591 generator'
_exptl_absorpt_coefficient_mu    0.636
_exptl_absorpt_correction_T_max  0.7533
_exptl_absorpt_correction_T_min  0.5693
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/4 (Bruker,2014) was used for absorption correction.
wR2(int) was 0.1247 before and 0.0774 after correction.
The Ratio of minimum to maximum transmission is 0.7557.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.374
_exptl_crystal_description       block
_exptl_crystal_F_000             560
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.238
_refine_diff_density_min         -0.309
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         2439
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0638
_refine_ls_R_factor_gt           0.0505
_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^)+(0.0842P)^2^+0.2364P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1300
_refine_ls_wR_factor_ref         0.1414
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1945
_reflns_number_total             2439
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo6b02928_si_003.cif
_cod_data_source_block           sylv11
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' according
to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 4032486--4032487.cif.
;
_cod_database_code               4032487
_shelxl_version_number           2014/6
_shelx_estimated_absorpt_t_max   0.981
_shelx_estimated_absorpt_t_min   0.785
_olex2_refinement_description
;
1. Others
 Fixed Uiso: H3(0.035) H4(0.037) H5(0.036) H8(0.04) H9(0.047) H10(0.045)
 H11(0.038) H15(0.039) H16(0.045) H17(0.047) H18(0.044) H19(0.038)
 Fixed X: H3(0.3634) H4(0.5161) H5(0.6905) H8(0.8701) H9(0.968) H10(0.8804)
 H11(0.694) H15(0.2797) H16(0.0951) H17(-0.0246) H18(0.04) H19(0.2243)
 Fixed Y: H3(0.8416) H4(0.9253) H5(0.8687) H8(0.7379) H9(0.6134) H10(0.4836)
 H11(0.474) H15(0.5369) H16(0.5246) H17(0.6185) H18(0.7249) H19(0.7393)
 Fixed Z: H3(0.2439) H4(0.3071) H5(0.3928) H8(0.4858) H9(0.555) H10(0.5334)
 H11(0.4301) H15(0.0083) H16(-0.107) H17(0.0056) H18(0.2386) H19(0.3524)
;
_shelx_res_checksum              91596
_shelx_hkl_checksum              69714
_olex2_submission_special_instructions 'No special instructions were received'