Pot, atom and step economic synthesis: a diversity-oriented approach to construct 2-substituted pyrrolo[2,1-f][1,2,4]triazin-4(3H)-ones
Xiang, Haoyue; Chen, Yanhong; He, Qian; Xie, Yuyuan; Yang, Chunhao; RSC Advances 3 (2013) 5807–; doi:10.1039/c3ra22909b

data_7238917
_publ_section_title
;
 Pot, atom and step economic synthesis: a diversity-oriented approach to
 construct 2-substituted pyrrolo[2,1-f][1,2,4]triazin-4(3H)-ones
;
_journal_issue                   17
_journal_name_full               'RSC Advances'
_journal_page_first              5807
_journal_paper_doi               10.1039/c3ra22909b
_journal_volume                  3
_journal_year                    2013
_chemical_formula_sum            'C21 H14 Br N5 O2'
_chemical_formula_weight         448.28
_chemical_name_common            x2
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                103.513(5)
_cell_angle_beta                 104.362(4)
_cell_angle_gamma                101.119(4)
_cell_formula_units_Z            2
_cell_length_a                   7.0998(5)
_cell_length_b                   10.4533(7)
_cell_length_c                   14.2795(10)
_cell_measurement_reflns_used    4540
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.08
_cell_volume                     962.19(12)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0253
_diffrn_reflns_av_sigmaI/netI    0.0239
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            14062
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.08
_exptl_absorpt_coefficient_mu    2.164
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5914
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.547
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       clear
_exptl_crystal_F_000             452
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.461
_refine_diff_density_min         -0.659
_refine_diff_density_rms         0.049
_refine_ls_extinction_coef       0.0015(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.958
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     266
_refine_ls_number_reflns         3394
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.958
_refine_ls_R_factor_all          0.0472
_refine_ls_R_factor_gt           0.0359
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0219P)^2^+1.4376P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0774
_refine_ls_wR_factor_ref         0.0835
_reflns_number_gt                2807
_reflns_number_total             3394
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ra22909b.txt
_cod_data_source_block           20120061_0ma
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' 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_sg_symbol_H-M      p-1
_cod_database_code               7238917