Utilization of nitriles as the nitrogen source: practical and economical construction of 4-aminopyrimidine and β-enaminonitrile skeletons
Zhu, Yingzu; Li, Yinghua; Xiang, Shiqun; Fan, Weibin; Jin, Jiang; Huang, Deguang; Organic Chemistry Frontiers 6 (2019) 3071–; doi:10.1039/C9QO00619B

data_1554975
_publ_section_title
;
 Utilization of nitriles as the nitrogen source: practical and economical
 construction of 4-aminopyrimidine and \b-enaminonitrile skeletons
;
_journal_issue                   17
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              3071
_journal_paper_doi               10.1039/C9QO00619B
_journal_volume                  6
_journal_year                    2019
_chemical_formula_moiety         'C17 H16 N2'
_chemical_formula_sum            'C17 H16 N2'
_chemical_formula_weight         248.32
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_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
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2019-06-25 deposited with the CCDC.	2019-07-10 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
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_cell_angle_gamma                90.00
_cell_formula_units_Z            4
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_cell_length_b                   6.2910(3)
_cell_length_c                   15.0837(10)
_cell_measurement_reflns_used    5142
_cell_measurement_temperature    100(2)
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_cell_measurement_theta_min      4.2960
_cell_volume                     1348.18(18)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.5594
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            13846
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_diffrn_reflns_theta_max         26.50
_diffrn_reflns_theta_min         3.54
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  0.9856
_exptl_absorpt_correction_T_min  0.9577
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018) 
Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.223
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.330
_refine_diff_density_min         -0.366
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_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         2779
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0533
_refine_ls_R_factor_gt           0.0451
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0355P)^2^+1.2100P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1086
_refine_ls_wR_factor_ref         0.1147
_reflns_number_gt                2382
_reflns_number_total             2779
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9qo00619b2.cif
_cod_data_source_block           Compound4aa
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        1348.18(16)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1554975