[Ag(bpy)(PPhtBu2)(OCF3)]: a stable nucleophilic reagent for chemoselective and stereospecific trifluoromethoxylation of secondary alkyl nosylates
Chen, Daoqian; Lu, Long; Shen, Qilong; Organic Chemistry Frontiers 6 (2019) 1801–; doi:10.1039/C9QO00278B

data_1554818
_publ_section_title
;
 [Ag(bpy)(PPhtBu2)(OCF3)]: a stable nucleophilic reagent for
 chemoselective and stereospecific trifluoromethoxylation of secondary
 alkyl nosylates
;
_journal_issue                   11
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              1801
_journal_paper_doi               10.1039/C9QO00278B
_journal_volume                  6
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_sum            'C18 H17 F3 O3'
_chemical_formula_weight         338.32
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2018-08-13 deposited with the CCDC.	2019-04-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.4981(3)
_cell_length_b                   15.2542(6)
_cell_length_c                   17.1460(6)
_cell_measurement_reflns_used    9971
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      133.629
_cell_measurement_theta_min      5.154
_cell_volume                     1699.57(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-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0561
_diffrn_reflns_av_unetI/netI     0.0281
_diffrn_reflns_Laue_measured_fraction_full 0.978
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            28617
_diffrn_reflns_point_group_measured_fraction_full 0.978
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         66.982
_diffrn_reflns_theta_min         3.879
_exptl_absorpt_coefficient_mu    0.950
_exptl_absorpt_correction_T_max  0.7533
_exptl_absorpt_correction_T_min  0.4935
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.322
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.130
_refine_diff_density_max         0.137
_refine_diff_density_min         -0.148
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details
; 
 Flack x determined using 1117 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons and Flack (2004), Acta Cryst. A60, s61). 
;
_refine_ls_abs_structure_Flack   -0.02(7)
_refine_ls_extinction_coef       0.043(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   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     219
_refine_ls_number_reflns         3007
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0469
_refine_ls_R_factor_gt           0.0445
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0873P)^2^+0.0803P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1257
_refine_ls_wR_factor_ref         0.1298
_reflns_Friedel_coverage         0.716
_reflns_Friedel_fraction_full    0.978
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                2811
_reflns_number_total             3007
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9qo00278b2.cif
_cod_data_source_block           cu_d8v18179_0m
_cod_database_code               1554818
_shelx_estimated_absorpt_t_min   0.833
_shelx_estimated_absorpt_t_max   0.886
_shelxl_version_number           2013-4
_shelx_res_checksum              84680
_shelx_hkl_checksum              38634