Photoinduced Three-Component Reactions of Tetracyanobenzene with Alkenes in the Presence of 1,3-Dicarbonyl Compounds as Nucleophiles
Zhi-Feng Lu; Yong-Miao Shen; Jia-Jun Yue; Hong-Wen Hu; Jian-Hua Xu; Journal of Organic Chemistry 73 (2008) 8010–8015; doi:10.1021/jo801448v

data_4023756
_publ_section_title
;
 Photoinduced Three-Component Reactions of Tetracyanobenzene with
 Alkenes in the Presence of 1,3-Dicarbonyl Compounds as Nucleophiles
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8010
_journal_page_last               8015
_journal_paper_doi               10.1021/jo801448v
_journal_volume                  73
_journal_year                    2008
_chemical_formula_moiety         'C22 H15 N3 O3'
_chemical_formula_sum            'C22 H15 N3 O3'
_chemical_formula_weight         369.37
_chemical_melting_point          432
_chemical_name_systematic
; 
5-(2-(2,4-Dioxopentan-3-yl)-2,3-dihydrobenzofuran-3-yl)
benzene-1,2,4-tricarbonitrile
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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                 107.43(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.361(3)
_cell_length_b                   8.4960(17)
_cell_length_c                   15.965(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12
_cell_measurement_theta_min      10
_cell_volume                     1858.5(7)
_computing_cell_refinement       'CAD4 Software'
_computing_data_collection       'CAD4 Software (Enraf-Nonius, 1989)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Nonius cad4'
_diffrn_measurement_method       \w/2\q
_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  0.0520
_diffrn_reflns_av_sigmaI/netI    0.0455
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3470
_diffrn_reflns_theta_full        25.16
_diffrn_reflns_theta_max         25.16
_diffrn_reflns_theta_min         1.49
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 200
_diffrn_standards_interval_time  2h
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.991
_exptl_absorpt_correction_T_min  0.958
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(XCAD4; Harms & Wocadlo, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.320
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.251
_refine_diff_density_min         -0.343
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         3329
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.1083
_refine_ls_R_factor_gt           0.0632
_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^)+(0.06P)^2^+3.2P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1440
_refine_ls_wR_factor_ref         0.1901
_reflns_number_gt                2074
_reflns_number_total             3329
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo801448v_si_003.cif
_cod_data_source_block           x
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4023756