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_4029863
_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         'C41 H15 B F15 N O S'
_chemical_formula_sum            'C41 H15 B F15 N O S'
_chemical_formula_weight         865.41
_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                 98.3270(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   22.3346(9)
_cell_length_b                   19.5060(7)
_cell_length_c                   15.8717(6)
_cell_measurement_temperature    100(2)
_cell_volume                     6841.7(5)
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0517
_diffrn_reflns_av_sigmaI/netI    0.0586
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            39706
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.66
_exptl_absorpt_coefficient_mu    0.216
_exptl_absorpt_correction_T_max  0.9767
_exptl_absorpt_correction_T_min  0.9225
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.680
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3456
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.385
_refine_diff_density_min         -0.253
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.994
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1081
_refine_ls_number_reflns         12737
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.994
_refine_ls_R_factor_all          0.0833
_refine_ls_R_factor_gt           0.0531
_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^)+(0.0639P)^2^+3.0543P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1183
_refine_ls_wR_factor_ref         0.1359
_reflns_number_gt                8878
_reflns_number_total             12737
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo501103e_si_002.cif
_cod_data_source_block           13_(naka366)
_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_sg_symbol_H-M      'P 21/c'
_cod_database_code               4029863