Combination of fluoroalkylation and Kornblum-DeLaMare reaction: a new strategy for the construction of (Z)-β-perfluoroalkyl enaminones.
Liu, Chunmei; Shi, Erbo; Xu, Feng; Luo, Qiang; Wang, Hongxiang; Chen, Jijun; Wan, Xiaobing; Chemical communications (Cambridge, England) 51 (2014) 1214–1217; doi:10.1039/c4cc07833k

data_7116200
_publ_section_title
;
 Combination of fluoroalkylation and Kornblum-DeLaMare reaction: a new
 strategy for the construction of (Z)-\b-perfluoroalkyl enaminones.
;
_journal_issue                   7
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1214
_journal_page_last               1217
_journal_paper_doi               10.1039/c4cc07833k
_journal_volume                  51
_journal_year                    2014
_chemical_formula_moiety         'C21 H22 F7 N2 O3'
_chemical_formula_sum            'C21 H22 F7 N2 O3'
_chemical_formula_weight         483.41
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      33
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-10-08 deposited with the CCDC.
2014-11-27 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   26.437(9)
_cell_length_b                   10.311(3)
_cell_length_c                   9.126(3)
_cell_measurement_reflns_used    5638
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.3
_cell_measurement_theta_min      3.0
_cell_volume                     2487.7(14)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalStructure
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0711
_diffrn_reflns_av_sigmaI/netI    0.0678
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            19746
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    0.121
_exptl_absorpt_correction_T_max  0.9762
_exptl_absorpt_correction_T_min  0.9255
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.291
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             996
_exptl_crystal_size_max          0.65
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.199
_refine_diff_density_min         -0.240
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   2(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.136
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         4224
_refine_ls_number_restraints     17
_refine_ls_restrained_S_all      1.140
_refine_ls_R_factor_all          0.1706
_refine_ls_R_factor_gt           0.1049
_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^)+(0.1130P)^2^+1.1123P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2433
_refine_ls_wR_factor_ref         0.2747
_reflns_number_gt                2537
_reflns_number_total             4224
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc07833k2.cif
_cod_data_source_block           t
_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 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        2487.7(13)
_cod_database_code               7116200