Construction of Nitrated Benzo[3.3.1]bicyclic Acetal/Ketal Core via Nitration of o-Carbonyl Allylbenzenes.
Chan, Chieh-Kai; Tsai, Yu-Lin; Chang, Meng-Yang; Organic letters 19 (2017) 1358–1361; doi:10.1021/acs.orglett.7b00245

data_1545400
_publ_section_title
;
 Construction of Nitrated Benzo[3.3.1]bicyclic Acetal/Ketal Core via
 Nitration of o-Carbonyl Allylbenzenes.
;
_journal_issue                   6
_journal_name_full               'Organic letters'
_journal_page_first              1358
_journal_page_last               1361
_journal_paper_doi               10.1021/acs.orglett.7b00245
_journal_volume                  19
_journal_year                    2017
_chemical_formula_sum            'C19 H15 F3 N2 O6'
_chemical_formula_weight         424.33
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_cell_angle_alpha                109.122(9)
_cell_angle_beta                 91.307(11)
_cell_angle_gamma                110.730(9)
_cell_formula_units_Z            2
_cell_length_a                   9.364(6)
_cell_length_b                   9.834(4)
_cell_length_c                   11.190(5)
_cell_measurement_reflns_used    2676
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.1584
_cell_measurement_theta_min      2.3548
_cell_volume                     899.3(8)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0618
_diffrn_reflns_av_unetI/netI     0.0609
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            14149
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.493
_diffrn_reflns_theta_min         1.950
_exptl_absorpt_coefficient_mu    0.137
_exptl_absorpt_correction_T_max  0.9485
_exptl_absorpt_correction_T_min  0.8196
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker AXS Inc.)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.567
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Tabullar
_exptl_crystal_F_000             436
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.768
_refine_diff_density_min         -0.453
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         3691
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0873
_refine_ls_R_factor_gt           0.0583
_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^)+(0.0679P)^2^+0.9013P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1440
_refine_ls_wR_factor_ref         0.1632
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2575
_reflns_number_total             3691
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol7b00245_si_004.cif
_cod_data_source_block           170115LT
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 1545398--1545406.cif.
;
_cod_original_cell_volume        899.2(8)
_cod_database_code               1545400
_shelxl_version_number           2014/6
_shelx_res_checksum              70741
_shelx_hkl_checksum              67364