Phosphine-Mediated [3+2] Cycloaddition Reactions of Ethyl 5,5-Diarylpenta-2,3,4-trienoates with Arylmethylidenemalononitriles and N-Tosylimines
Xiao-Yang Guan; Min Shi; Journal of Organic Chemistry 74 (2009) 1977–1981; doi:10.1021/jo802489t

data_4024366
_publ_section_title
;
Phosphine-Mediated [3+2] Cycloaddition Reactions of Ethyl
5,5-Diarylpenta-2,3,4-trienoates with Arylmethylidenemalononitriles
and N-Tosylimines
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1977
_journal_page_last               1981
_journal_paper_doi               10.1021/jo802489t
_journal_volume                  74
_journal_year                    2009
_chemical_formula_sum            'C33 H28 Br N O4 S'
_chemical_formula_weight         614.53
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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                88.121(3)
_cell_angle_beta                 76.794(3)
_cell_angle_gamma                65.924(3)
_cell_formula_units_Z            2
_cell_length_a                   10.0258(14)
_cell_length_b                   10.2798(15)
_cell_length_c                   16.313(2)
_cell_measurement_reflns_used    1653
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      42.240
_cell_measurement_theta_min      4.579
_cell_volume                     1490.9(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_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  0.0378
_diffrn_reflns_av_sigmaI/netI    0.0856
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            8182
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.29
_exptl_absorpt_coefficient_mu    1.486
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.4911
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.369
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.470
_exptl_crystal_size_mid          0.303
_exptl_crystal_size_min          0.167
_refine_diff_density_max         0.502
_refine_diff_density_min         -0.676
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.877
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     363
_refine_ls_number_reflns         5768
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.974
_refine_ls_R_factor_all          0.1093
_refine_ls_R_factor_gt           0.0627
_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^)+(0.0871P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1457
_refine_ls_wR_factor_ref         0.1727
_reflns_number_gt                2994
_reflns_number_total             5768
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo802489t_si_001.cif
_cod_data_source_block           cd28500
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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-1
_cod_database_code               4024366