Synthesis and reactivity of 5-polyfluoroalkyl-5-deazaalloxazines.
Dudkin, Sergii; Iaroshenko, Viktor O.; Sosnovskikh, Vyacheslav Ya; Tolmachev, Andrey A.; Villinger, Alexander; Langer, Peter; Organic & biomolecular chemistry 11 (2013) 5351–5361; doi:10.1039/c3ob26837c

data_7152996
_publ_section_title
;
 Synthesis and reactivity of 5-polyfluoroalkyl-5-deazaalloxazines.
;
_journal_issue                   32
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              5351
_journal_page_last               5361
_journal_paper_doi               10.1039/c3ob26837c
_journal_volume                  11
_journal_year                    2013
_chemical_formula_moiety         'C16 H13 Cl F3 N3 O2'
_chemical_formula_sum            'C16 H13 Cl F3 N3 O2'
_chemical_formula_weight         371.74
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 111.103(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   19.9679(8)
_cell_length_b                   20.1167(8)
_cell_length_c                   16.4722(7)
_cell_measurement_reflns_used    9932
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      53.869
_cell_measurement_theta_min      4.840
_cell_volume                     6172.9(4)
_computing_cell_refinement       'Bruker Apex V7.51A'
_computing_data_collection       'Bruker Apex V7.51A'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP-3v2.01 (Farrugia, 1997)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker-Nonius Apex X8-CCD-diffractometer'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0341
_diffrn_reflns_av_sigmaI/netI    0.0355
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            55556
_diffrn_reflns_theta_full        26.99
_diffrn_reflns_theta_max         26.99
_diffrn_reflns_theta_min         1.49
_exptl_absorpt_coefficient_mu    0.298
_exptl_absorpt_correction_T_max  0.9737
_exptl_absorpt_correction_T_min  0.8142
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.600
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3040
_exptl_crystal_size_max          0.72
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.346
_refine_diff_density_min         -0.396
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     909
_refine_ls_number_reflns         13379
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0643
_refine_ls_R_factor_gt           0.0418
_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^)+(0.0529P)^2^+1.5951P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1005
_refine_ls_wR_factor_ref         0.1095
_reflns_number_gt                10025
_reflns_number_total             13379
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c3ob26837c.txt
_cod_data_source_block           is_sd284
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7152996