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_7152990
_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         'C15 H14 F3 N3 O3'
_chemical_formula_sum            'C15 H14 F3 N3 O3'
_chemical_formula_weight         341.29
_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                 109.1480(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.9524(3)
_cell_length_b                   6.20460(10)
_cell_length_c                   14.3442(2)
_cell_measurement_reflns_used    5832
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      59.928
_cell_measurement_theta_min      5.696
_cell_volume                     1509.37(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 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0229
_diffrn_reflns_av_sigmaI/netI    0.0239
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            17011
_diffrn_reflns_theta_full        29.99
_diffrn_reflns_theta_max         29.99
_diffrn_reflns_theta_min         2.85
_exptl_absorpt_coefficient_mu    0.130
_exptl_absorpt_correction_T_max  0.9794
_exptl_absorpt_correction_T_min  0.9619
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.502
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.890
_refine_diff_density_min         -0.364
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     223
_refine_ls_number_reflns         4381
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0663
_refine_ls_R_factor_gt           0.0510
_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^)+(0.0626P)^2^+0.9729P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1278
_refine_ls_wR_factor_ref         0.1387
_reflns_number_gt                3462
_reflns_number_total             4381
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c3ob26837c.txt
_cod_data_source_block           av_sd341
_cod_original_sg_symbol_Hall     'P 2ybc'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7152990