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_4032486
_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         'C16 H14 N2 O3'
_chemical_formula_sum            'C16 H14 N2 O3'
_chemical_formula_weight         282.29
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2016-10-13
_audit_creation_method
;
Olex2 1.2
(compiled 2016.09.09 svn.r3337 for OlexSys, GUI svn.r5227)
;
_cell_angle_alpha                90
_cell_angle_beta                 93.3300(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.4971(2)
_cell_length_b                   7.63330(10)
_cell_length_c                   16.6642(3)
_cell_measurement_reflns_used    5817
_cell_measurement_temperature    100
_cell_measurement_theta_max      71.870
_cell_measurement_theta_min      5.117
_cell_volume                     1333.01(4)
_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 v8.34A (Bruker, 2013)'
_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    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 8.3
_diffrn_detector_type            'Bruker APEX2 CCD'
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker Smart APEX'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_collimation    'Focusing mirrors'
_diffrn_radiation_monochromator  'Quazar MX Mirror Optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0232
_diffrn_reflns_av_unetI/netI     0.0145
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.980
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            15306
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.980
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.097
_diffrn_reflns_theta_min         4.855
_diffrn_source                   'Microfocus Source'
_diffrn_source_target            Cu
_diffrn_source_type              'Incoatec I\mS High Brilliance Microsource'
_exptl_absorpt_coefficient_mu    0.812
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.6702
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/4 (Bruker,2014/4) was used for absorption correction.
wR2(int) was 0.0832 before and 0.0360 after correction.
The Ratio of minimum to maximum transmission is 0.8893.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.407
_exptl_crystal_description       block
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.298
_refine_diff_density_min         -0.192
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         2569
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0348
_refine_ls_R_factor_gt           0.0325
_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^)+(0.0539P)^2^+0.4503P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0886
_refine_ls_wR_factor_ref         0.0916
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2384
_reflns_number_total             2569
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo6b02928_si_004.cif
_cod_data_source_block           sylva6
_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               4032486
_shelxl_version_number           2014/6
_shelx_estimated_absorpt_t_max   0.953
_shelx_estimated_absorpt_t_min   0.909
_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:
 C11(H11), C1(H1), C5(H5), C3(H3), C4(H4)
2.b Idealised Me refined as rotating group:
 C16(H16A,H16B,H16C), C15(H15A,H15B,H15C), C14(H14A,H14B,H14C)
;
_shelx_res_checksum              17277
_shelx_hkl_checksum              9025
_olex2_submission_special_instructions 'No special instructions were received'