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_7152995
_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 H14 F3 N3 O3'
_chemical_formula_sum            'C16 H14 F3 N3 O3'
_chemical_formula_weight         353.30
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                92.445(2)
_cell_angle_beta                 104.160(2)
_cell_angle_gamma                93.761(2)
_cell_formula_units_Z            2
_cell_length_a                   7.4835(3)
_cell_length_b                   8.5920(3)
_cell_length_c                   11.4002(4)
_cell_measurement_reflns_used    7592
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      60.939
_cell_measurement_theta_min      4.760
_cell_volume                     707.90(5)
_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  0.0186
_diffrn_reflns_av_sigmaI/netI    0.0194
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            15295
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         2.92
_exptl_absorpt_coefficient_mu    0.142
_exptl_absorpt_correction_T_max  0.9859
_exptl_absorpt_correction_T_min  0.9349
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.657
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             364
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.419
_refine_diff_density_min         -0.278
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     232
_refine_ls_number_reflns         4101
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0472
_refine_ls_R_factor_gt           0.0390
_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^)+(0.0526P)^2^+0.2092P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1002
_refine_ls_wR_factor_ref         0.1053
_reflns_number_gt                3515
_reflns_number_total             4101
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ob26837c.txt
_cod_data_source_block           is_sd283
_cod_database_code               7152995