Construction of chiral quaternary carbon centers by Pd-catalyzed asymmetric allylic substitution with P,N-1,1'-ferrocene ligands.
Hou, Xue-Long; Sun, Na; Organic letters 6 (2004) 4399–4401; doi:10.1021/ol048729q

data_1507027
_publ_section_title
;
 Construction of chiral quaternary carbon centers by Pd-catalyzed
 asymmetric allylic substitution with P,N-1,1'-ferrocene ligands.
;
_journal_issue                   24
_journal_name_full               'Organic letters'
_journal_page_first              4399
_journal_page_last               4401
_journal_paper_doi               10.1021/ol048729q
_journal_volume                  6
_journal_year                    2004
_chemical_formula_sum            'C37 H35 Fe N2 O3 P'
_chemical_formula_weight         642.49
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.2256(4)
_cell_length_b                   16.5536(8)
_cell_length_c                   21.0141(10)
_cell_measurement_reflns_used    2862
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      20.87
_cell_measurement_theta_min      2.29
_cell_volume                     3209.2(3)
_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 0.970
_diffrn_measured_fraction_theta_max 0.970
_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  0.0474
_diffrn_reflns_av_sigmaI/netI    0.1259
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            19870
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.559
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8775
_exptl_absorpt_correction_type   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.330
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1344
_refine_diff_density_max         0.508
_refine_diff_density_min         -0.210
_refine_diff_density_rms         0.030
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.001(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.645
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     427
_refine_ls_number_reflns         7557
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.645
_refine_ls_R_factor_all          0.0995
_refine_ls_R_factor_gt           0.0362
_refine_ls_shift/su_max          0.040
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0166P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0482
_refine_ls_wR_factor_ref         0.0539
_reflns_number_gt                3326
_reflns_number_total             7557
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol048729qsi20040921_085600.cif
_cod_data_source_block           cd21308
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1507027