Base-Controlled Regiodivergent Azidation of Trifluoromethyl Alkenyl Triflates: Transition-Metal-Free Access to CF<sub>3</sub>-Containing Allyl Azides and Alkenyl Azides.
Zhao, Yilong; Zhou, Yuhan; Zhang, Chunxia; Li, Dong; Sun, Puhua; Li, Jianzhe; Wang, Huan; Liu, Jianhui; Qu, Jingping; The Journal of organic chemistry 83 (2018) 2858–2868; doi:10.1021/acs.joc.7b03294

data_4034975
_publ_section_title
;
 Base-Controlled Regiodivergent Azidation of Trifluoromethyl Alkenyl
 Triflates: Transition-Metal-Free Access to CF<sub>3</sub>-Containing
 Allyl Azides and Alkenyl Azides.
;
_journal_issue                   5
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              2858
_journal_page_last               2868
_journal_paper_doi               10.1021/acs.joc.7b03294
_journal_volume                  83
_journal_year                    2018
_chemical_formula_sum            'C13 H14 F3 N3 O3'
_chemical_formula_weight         317.27
_space_group_IT_number           88
_space_group_name_Hall           '-I 4ad'
_space_group_name_H-M_alt        'I 41/a :2'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_H-M   'I 41/a :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   22.0462(10)
_cell_length_b                   22.0462(10)
_cell_length_c                   12.8478(12)
_cell_measurement_reflns_used    0.8
_cell_measurement_temperature    301(2)
_cell_measurement_theta_max      0.2
_cell_measurement_theta_min      0.3
_cell_volume                     6244.5(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      301(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0680
_diffrn_reflns_av_sigmaI/netI    0.0264
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            46568
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.60
_exptl_absorpt_coefficient_mu    0.120
_exptl_absorpt_correction_T_max  0.9881
_exptl_absorpt_correction_T_min  0.9764
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.350
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2624
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.189
_refine_diff_density_min         -0.177
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2744
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.1071
_refine_ls_R_factor_gt           0.0714
_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^)+(0.0660P)^2^+7.4477P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1619
_refine_ls_wR_factor_ref         0.1775
_reflns_number_gt                1886
_reflns_number_total             2744
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo7b03294_si_002.cif
_cod_data_source_block           2q
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Tetragonal' was changed to
'tetragonal' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/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      'I4(1)/a  '
_cod_database_code               4034975