Azabicyclic amino acids by stereoselective dearomatizing cyclization of the enolates of N-nicotinoyl glycine derivatives.
Arnott, Gareth; Clayden, Jonathan; Hamilton, Stuart D.; Organic letters 8 (2006) 5325–5328; doi:10.1021/ol062126s

data_1506263
_publ_section_title
;
 Azabicyclic amino acids by stereoselective dearomatizing cyclization of
 the enolates of N-nicotinoyl glycine derivatives.
;
_journal_issue                   23
_journal_name_full               'Organic letters'
_journal_page_first              5325
_journal_page_last               5328
_journal_paper_doi               10.1021/ol062126s
_journal_volume                  8
_journal_year                    2006
_chemical_formula_sum            'C23 H32 N2 O5'
_chemical_formula_weight         416.51
_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                 90.2310(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   27.369(2)
_cell_length_b                   6.2260(5)
_cell_length_c                   25.3290(18)
_cell_measurement_reflns_used    7058
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.0735
_cell_measurement_theta_min      2.199
_cell_volume                     4316.0(6)
_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    'SIR2004 (Burla et al, 2005)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.955
_diffrn_measured_fraction_theta_max 0.955
_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  0.0391
_diffrn_reflns_av_sigmaI/netI    0.0353
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            17983
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9822
_exptl_absorpt_correction_T_min  0.9606
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1792
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.374
_refine_diff_density_min         -0.182
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     277
_refine_ls_number_reflns         5128
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0465
_refine_ls_R_factor_gt           0.0372
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0608P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0958
_refine_ls_wR_factor_ref         0.0991
_reflns_number_gt                4136
_reflns_number_total             5128
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol062126ssi20060829_090842.cif
_cod_data_source_block           s2397m
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1506263