1,2-Addition to trifluoromethylated β-enamino diketones: regioselective synthesis of trifluoromethyl-containing azomethine pyrazoles and isoxazoles.
Pianoski, Karlos Eduardo; Poletto, Julia; Vieira da Silva, Michael Jackson; Ascencio Camargo, Jeniffer Nascimento; Jacomini, Andrey Petita; Gonçalves, Davana Silva; Back, Davi Fernando; Moura, Sidnei; Rosa, Fernanda Andreia; Organic & biomolecular chemistry 18 (2020) 2524–2537; doi:10.1039/d0ob00319k

data_7157391
_publ_section_title
;
 1,2-Addition to trifluoromethylated \b-enamino diketones: regioselective
 synthesis of trifluoromethyl-containing azomethine pyrazoles and
 isoxazoles.
;
_journal_issue                   13
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              2524
_journal_page_last               2537
_journal_paper_doi               10.1039/d0ob00319k
_journal_volume                  18
_journal_year                    2020
_chemical_formula_moiety         'C15 H15 Br F3 N O2'
_chemical_formula_sum            'C15 H15 Br F3 N O2'
_chemical_formula_weight         378.19
_chemical_melting_point          ?
_chemical_name_common            trifluoro-4-terc-butilamio-3-buten-2-ona
_chemical_name_systematic
;
1-(4-bromophenyl)-2-((tert-butylamino)methylene)-4,4,4-trifluorobutane-1,3-dione
;
_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_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4
_audit_creation_date             2019-10-15T14:59:39-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2019-10-15 deposited with the CCDC.	2020-03-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.311(17)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.298(10)
_cell_length_b                   8.588(6)
_cell_length_c                   12.152(8)
_cell_measurement_reflns_used    1116
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      18.468
_cell_measurement_theta_min      2.697
_cell_volume                     1655.2(19)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'Bruker Instrument Service v4.2.7'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'Diamond (version 3.2i); Crystal Impact GbR'
_computing_structure_refinement  'SHELXL-2008 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXL-2008 (Sheldrick, 2008)'
_diffrn_ambient_temperature      297(2)
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker D8 Quest Photon 100 diffractometer'
_diffrn_measurement_method       '2\% \f & \w scans'
_diffrn_radiation_monochromator  'Montel type 2-dim beam shaping X ray optics'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1146
_diffrn_reflns_av_unetI/netI     0.2593
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            11802
_diffrn_reflns_theta_full        29.26
_diffrn_reflns_theta_max         29.26
_diffrn_reflns_theta_min         2.7
_diffrn_source                   'micro-focus tube'
_exptl_absorpt_coefficient_mu    2.518
_exptl_absorpt_correction_T_max  0.8736
_exptl_absorpt_correction_T_min  0.5932
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS (version 2012/1; Bruker, 2012) was used to perform the numerical
        absorption correction based on the indexed faces of the crystal.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.518
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.306
_refine_diff_density_min         -0.314
_refine_diff_density_rms         0.053
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.893
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         4500
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.893
_refine_ls_R_factor_all          0.2237
_refine_ls_R_factor_gt           0.0693
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0590P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1178
_refine_ls_wR_factor_ref         0.1782
_reflns_number_gt                2034
_reflns_number_total             4500
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            d0ob00319k2.cif
_cod_data_source_block           test0_a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_melting_point' value 'none' was changed to '?'
-- the value is undefined or not given.

data item '_exptl_crystal_density_meas' value 'none' was changed to
'?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7157391--7157393.cif.
;
_cod_original_cell_volume        1655.2(18)
_cod_original_sg_symbol_Hall     -P2ybc
_cod_database_code               7157391