Stereoselective synthesis of 2-dienyl-substituted piperidines using an eta4-dienetricarbonyliron complex as the stereocontrolling element in a double reductive amination cascade.
Williams, Iwan; Reeves, Keith; Kariuki, Benson M.; Cox, Liam R.; Organic & biomolecular chemistry 5 (2007) 3325–3329; doi:10.1039/b710898b

data_7151176
_publ_section_title
;
 Stereoselective synthesis of 2-dienyl-substituted piperidines using an
 eta4-dienetricarbonyliron complex as the stereocontrolling element in
 a double reductive amination cascade.
;
_journal_issue                   20
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              3325
_journal_page_last               3329
_journal_paper_doi               10.1039/b710898b
_journal_volume                  5
_journal_year                    2007
_chemical_formula_moiety         'C17 H22 Br Fe N O3'
_chemical_formula_sum            'C17 H22 Br Fe N O3'
_chemical_formula_weight         424.12
_chemical_name_systematic
;
?
;
_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                69.757(2)
_cell_angle_beta                 78.689(2)
_cell_angle_gamma                89.592(2)
_cell_formula_units_Z            2
_cell_length_a                   7.6829(3)
_cell_length_b                   10.9941(4)
_cell_length_c                   12.0958(4)
_cell_measurement_reflns_used    2538
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      70.10
_cell_measurement_theta_min      3.98
_cell_volume                     937.92(6)
_computing_cell_refinement       SAINTPLUS
_computing_data_collection       SMART
_computing_data_reduction        SAINTPLUS
_computing_structure_refinement  SHELXTL
_computing_structure_solution    SHELXTL
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.874
_diffrn_measured_fraction_theta_max 0.874
_diffrn_measurement_device_type  'Bruker Smart 6000 CCD'
_diffrn_measurement_method       'CCD scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0226
_diffrn_reflns_av_sigmaI/netI    0.0340
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5900
_diffrn_reflns_theta_full        70.10
_diffrn_reflns_theta_max         70.10
_diffrn_reflns_theta_min         3.98
_exptl_absorpt_coefficient_mu    9.047
_exptl_absorpt_correction_T_max  0.3640
_exptl_absorpt_correction_T_min  0.2648
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.502
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             432
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.748
_refine_diff_density_min         -0.844
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         3116
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0567
_refine_ls_R_factor_gt           0.0433
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0580P)^2^+0.7082P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1091
_refine_ls_wR_factor_ref         0.1167
_reflns_number_gt                2538
_reflns_number_total             3116
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b710898b.txt
_cod_data_source_block           bromopi
_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               7151176