5-Carboxy-2-azabicyclo[2.1.1]hexanes as Precursors of 5-Halo, Amino, Phenyl, and 2-Methoxycarbonylethyl Methanopyrrolidines
Grant R. Krow; Qiuli Huang; Guoliang Lin; Ryan A. Centafont; Andrew M. Thomas; Deepa Gandla; Charles DeBrosse; Patrick J. Carroll; Journal of Organic Chemistry 71 (2006) 2090–2098; doi:10.1021/jo052506b

data_4021543
_publ_section_title
;
 5-Carboxy-2-azabicyclo[2.1.1]hexanes as Precursors of
 5-Halo, Amino, Phenyl, and 2-Methoxycarbonylethyl
 Methanopyrrolidines
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2090
_journal_page_last               2098
_journal_paper_doi               10.1021/jo052506b
_journal_volume                  71
_journal_year                    2006
_chemical_formula_sum            'C12 H20 N2 O4'
_chemical_formula_weight         256.30
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-97
_audit_update_record
;
2005-12-06  Received for J. Org. Chem. manuscript jo052506b
            Minor syntax errors corrected (JOC/pH)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.138(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   10.417(4)
_cell_length_b                   22.057(8)
_cell_length_c                   12.115(5)
_cell_measurement_temperature    143(1)
_cell_volume                     2783.6(18)
_computing_data_collection       'CrystalClear (Rigaku, 1999)'
_computing_data_reduction        'CrystalClear (Rigaku, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare, 1999)'
_diffrn_ambient_temperature      143(1)
_diffrn_measured_fraction_theta_full 0.836
_diffrn_measured_fraction_theta_max 0.836
_diffrn_measurement_device_type  'CCD Area Detector'
_diffrn_measurement_method       'phi rotations'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0293
_diffrn_reflns_av_sigmaI/netI    0.0507
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            10377
_diffrn_reflns_theta_full        25.34
_diffrn_reflns_theta_max         25.34
_diffrn_reflns_theta_min         2.58
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.776
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.223
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1104
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.340
_refine_diff_density_min         -0.292
_refine_diff_density_rms         0.076
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   2.2(14)
_refine_ls_extinction_coef       0.0068(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.114
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     666
_refine_ls_number_reflns         6055
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.114
_refine_ls_R_factor_all          0.0655
_refine_ls_R_factor_gt           0.0602
_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^)+(0.0877P)^2^+1.1887P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1599
_refine_ls_wR_factor_ref         0.1661
_reflns_number_gt                5491
_reflns_number_total             6055
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo052506bsi20051206_020316.cif
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' tag value 'multi-scans' was replaced
with 'multi-scan' value.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21       '
_cod_database_code               4021543