Synthesis of Chiral α-Trifluoromethylamines with 2,2,2-Trifluoroethylamine as a "Building Block".
Li, Xiaoyuan; Su, Jinhuan; Liu, Zhourujun; Zhu, Yuanyuan; Dong, Zhenghao; Qiu, Shuai; Wang, Jiayi; Lin, Li; Shen, Zhiqiang; Yan, Wenjin; Wang, Kairong; Wang, Rui; Organic letters 18 (2016) 956–; doi:10.1021/acs.orglett.5b03566

data_1542701
_publ_section_title
;
 Synthesis of Chiral \a-Trifluoromethylamines with
 2,2,2-Trifluoroethylamine as a &quot;Building Block&quot;.
;
_journal_issue                   5
_journal_name_full               'Organic letters'
_journal_page_first              956
_journal_paper_doi               10.1021/acs.orglett.5b03566
_journal_volume                  18
_journal_year                    2016
_chemical_absolute_configuration unk
_chemical_formula_sum            'C26 H20 Cl F3 N2 O3'
_chemical_formula_weight         500.89
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_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                 115.560(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.2811(14)
_cell_length_b                   11.1490(16)
_cell_length_c                   11.3115(17)
_cell_measurement_reflns_used    4080
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      30.79
_cell_measurement_theta_min      2.71
_cell_volume                     1169.7(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART APEX II'
_computing_data_reduction        'Bruker SMART'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX II area detector'
_diffrn_measurement_method       '\w scans'
_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  0.0215
_diffrn_reflns_av_sigmaI/netI    0.0313
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            5916
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.00
_exptl_absorpt_coefficient_mu    0.219
_exptl_absorpt_correction_T_max  0.9412
_exptl_absorpt_correction_T_min  0.9372
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.422
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             516
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.159
_refine_diff_density_min         -0.145
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.02(6)
_refine_ls_extinction_coef       0.160(3)
_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   1.005
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     319
_refine_ls_number_reflns         3771
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0307
_refine_ls_R_factor_gt           0.0294
_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^)+(0.0100P)^2^+0.3650P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0678
_refine_ls_wR_factor_ref         0.0688
_reflns_number_gt                3617
_reflns_number_total             3771
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol5b03566_si_003.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_absolute_configuration' value ' unk ' changed to 'unk'
according to
/usr/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               1542701