Synthesis of 4-Chalcogeno-1-aza-1,3-butadiene Derivatives by Intramolecular Cyano-Diels-Alder Reaction and Borane-Coordination-Induced Fluorescence Enhancement.
Ishii, Akihiko; Aoki, Yutaro; Nakata, Norio; The Journal of organic chemistry 79 (2014) 7951–7960; doi:10.1021/jo501103e

data_4029860
_publ_section_title
;
 Synthesis of 4-Chalcogeno-1-aza-1,3-butadiene Derivatives by
 Intramolecular Cyano-Diels-Alder Reaction and Borane-Coordination-Induced
 Fluorescence Enhancement.
;
_journal_issue                   17
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              7951
_journal_page_last               7960
_journal_paper_doi               10.1021/jo501103e
_journal_volume                  79
_journal_year                    2014
_chemical_formula_moiety         'C42 H17 B F15 N O S, 0.5(C Cl2)'
_chemical_formula_sum            'C42.5 H17 B Cl F15 N O S'
_chemical_formula_weight         920.89
_chemical_name_systematic        'C42 H17 B F15 N O S, 0.5(C Cl2)'
_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                90.440(5)
_cell_angle_beta                 106.169(4)
_cell_angle_gamma                106.009(5)
_cell_formula_units_Z            2
_cell_length_a                   10.024(2)
_cell_length_b                   11.023(3)
_cell_length_c                   17.842(4)
_cell_measurement_temperature    100(2)
_cell_volume                     1812.4(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics
'Yadokari-XG 2009 (Wakita, Nemoto et al., 2009)'
_computing_publication_material
'Yadokari-XG 2009 (Wakita, Nemoto et al., 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_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  0.0251
_diffrn_reflns_av_sigmaI/netI    0.0475
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            11418
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    0.280
_exptl_absorpt_correction_T_max  0.9618
_exptl_absorpt_correction_T_min  0.9181
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1997)'
_exptl_crystal_colour            paleyellow
_exptl_crystal_density_diffrn    1.687
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             920
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.423
_refine_diff_density_min         -0.281
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     579
_refine_ls_number_reflns         7037
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0523
_refine_ls_R_factor_gt           0.0423
_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^)+(0.0629P)^2^+0.3083P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1080
_refine_ls_wR_factor_ref         0.1148
_reflns_number_gt                5828
_reflns_number_total             7037
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo501103e_si_002.cif
_cod_data_source_block           9b_(naka405)
_cod_depositor_comments
;Adding full bibliography for 4029858--4029863.cif.

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        1812.5(7)
_cod_original_formula_sum        'C42.50 H17 B Cl F15 N O S'
_cod_database_code               4029860