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_1566839
_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_sum            'C27 H19 N3'
_chemical_formula_weight         385.45
_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'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-01-25 deposited with the CCDC.	2022-04-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.736(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.4603(7)
_cell_length_b                   14.0260(12)
_cell_length_c                   19.2722(15)
_cell_measurement_reflns_used    8411
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      60.4220
_cell_measurement_theta_min      4.8500
_cell_volume                     1993.2(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-2018/3 (Sheldrick, 2018)'
_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 0.999
_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  0.0811
_diffrn_reflns_av_unetI/netI     0.0555
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.956
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            15293
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.956
_diffrn_reflns_theta_full        53.543
_diffrn_reflns_theta_max         61.269
_diffrn_reflns_theta_min         4.880
_diffrn_source                   'micro-focus metaljet'
_exptl_absorpt_coefficient_mu    0.378
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.64115
_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            'pale yellow'
_exptl_crystal_density_diffrn    1.284
_exptl_crystal_description       prism
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.365
_refine_diff_density_min         -0.398
_refine_diff_density_rms         0.075
_refine_ls_extinction_coef       0.0103(16)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         4475
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.1169
_refine_ls_R_factor_gt           0.0911
_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^)+(0.1151P)^2^+3.3927P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2560
_refine_ls_wR_factor_ref         0.2871
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3243
_reflns_number_total             4475
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc00837h2.cif
_cod_data_source_block           Compound-1_CCDC2
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1566839
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              72424
_shelx_hkl_checksum              73594