Synthesis of Unsymmetrically Tetrasubstituted Pyrroles and Studies of AIEE in Pyrrolo[1,2-a]pyrimidine Derivatives
Li, Taian; Chiou, Mong-Feng; Li, Yajun; Ye, Changqing; Su, Min; Xue, Mengyu; Yuan, Xiaobin; Wang, Chuanchuan; Wan, Wen-Ming; Li, Daliang; Bao, Hongli; Chemical Science  (2022) –; doi:10.1039/D2SC00837H

data_1566835
_publ_section_title
;
 Synthesis of Unsymmetrically Tetrasubstituted Pyrroles and Studies of
 AIEE in Pyrrolo[1,2-a]pyrimidine Derivatives
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D2SC00837H
_journal_year                    2022
_chemical_formula_moiety         'C18 H15 N3'
_chemical_formula_sum            'C18 H15 N3'
_chemical_formula_weight         273.33
_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   mixed
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2022-01-10 deposited with the CCDC.	2022-04-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.620(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.5606(15)
_cell_length_b                   14.1429(16)
_cell_length_c                   7.6056(7)
_cell_measurement_reflns_used    5965
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      60.4850
_cell_measurement_theta_min      3.9090
_cell_volume                     1455.7(3)
_computing_cell_refinement       'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_data_collection       'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_data_reduction        'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.0000
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.956
_diffrn_measurement_device_type  'ROD, Synergy Custom system, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.3405
_diffrn_reflns_av_R_equivalents  0.0262
_diffrn_reflns_av_unetI/netI     0.0267
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.956
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            10673
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.956
_diffrn_reflns_theta_full        53.543
_diffrn_reflns_theta_max         61.207
_diffrn_reflns_theta_min         3.931
_diffrn_source                   'micro-focus metaljet'
_exptl_absorpt_coefficient_mu    0.375
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.65015
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.93a (Rigaku Oxford Diffraction, 2020)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.247
_exptl_crystal_description       prism
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.169
_refine_diff_density_min         -0.191
_refine_diff_density_rms         0.038
_refine_ls_extinction_coef       0.014(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2017/1 (Sheldrick 2017)'
_refine_ls_goodness_of_fit_ref   1.128
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         3239
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.128
_refine_ls_R_factor_all          0.0671
_refine_ls_R_factor_gt           0.0458
_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^)+(0.0647P)^2^+0.3264P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1241
_refine_ls_wR_factor_ref         0.1545
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2313
_reflns_number_total             3239
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc00837h2.cif
_cod_data_source_block           LTA-4-A1
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1566835
_shelx_shelxl_version_number     2017/1
_shelx_res_checksum              11715
_shelx_hkl_checksum              80924