Facile Stereoselective Synthesis of Fluorinated Flavanone Derivatives via a One-Pot Tandem Reaction
Haifeng Cui; Peng Li; Zhuo Chai; Changwu Zheng; Gang Zhao; Shizheng Zhu; Journal of Organic Chemistry 74 (2009) 1400–1402; doi:10.1021/jo8023818

data_4024309
_publ_section_title
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Facile Stereoselective Synthesis of Fluorinated Flavanone Derivatives via a
One-Pot Tandem Reaction
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1400
_journal_page_last               1402
_journal_paper_doi               10.1021/jo8023818
_journal_volume                  74
_journal_year                    2009
_chemical_formula_sum            'C18 H15 F O4'
_chemical_formula_weight         314.30
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 94.358(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.5886(14)
_cell_length_b                   15.791(2)
_cell_length_c                   10.2752(15)
_cell_measurement_reflns_used    1657
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      47.427
_cell_measurement_theta_min      4.739
_cell_volume                     1551.3(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0923
_diffrn_reflns_av_sigmaI/netI    0.0863
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            8987
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.37
_exptl_absorpt_coefficient_mu    0.103
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7319
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.346
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             656
_exptl_crystal_size_max          0.479
_exptl_crystal_size_mid          0.403
_exptl_crystal_size_min          0.251
_refine_diff_density_max         0.428
_refine_diff_density_min         -0.346
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.904
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         3367
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.480
_refine_ls_R_factor_all          0.1017
_refine_ls_R_factor_gt           0.0600
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0924P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1603
_refine_ls_wR_factor_ref         0.1789
_reflns_number_gt                1746
_reflns_number_total             3367
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo8023818_si_002.cif
_cod_data_source_block           cd27371
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4024309