A Re-Evaluation of the Electrophilic Substitution Reactions of the Ramirez Ylide
Lee J. Higham; Jimmy Muldoon; P. Gabriel Kelly; David M. Corr; Helge Müller-Bunz; Declan G. Gilheany; Journal of Organic Chemistry 72 (2007) 8780–8785; doi:10.1021/jo7014104

data_4023004
_publ_section_title
;
 A Re-Evaluation of the Electrophilic Substitution Reactions
 of the Ramirez Ylide
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8780
_journal_page_last               8785
_journal_paper_doi               10.1021/jo7014104
_journal_volume                  72
_journal_year                    2007
_chemical_formula_sum            'C28 H18 N3 P'
_chemical_formula_weight         427.42
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 105.595(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   24.875(7)
_cell_length_b                   12.734(4)
_cell_length_c                   15.011(4)
_cell_measurement_reflns_used    8396
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.55
_cell_measurement_theta_min      2.43
_cell_volume                     4580(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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 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  0.0227
_diffrn_reflns_av_sigmaI/netI    0.0123
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            38729
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    0.140
_exptl_absorpt_correction_T_max  0.9592
_exptl_absorpt_correction_T_min  0.8276
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.240
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1776
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.275
_refine_diff_density_min         -0.153
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     344
_refine_ls_number_reflns         4508
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0480
_refine_ls_R_factor_gt           0.0432
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0670P)^2^+2.0494P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1185
_refine_ls_wR_factor_ref         0.1239
_reflns_number_gt                3979
_reflns_number_total             4508
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo7014104-File006.cif
_cod_data_source_block           gil33
_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      'C 2/c'
_cod_database_code               4023004