Parallel kinetic resolution of acyclic γ-amino-α,β-unsaturated esters: application to the asymmetric synthesis of 4-aminopyrrolidin-2-ones.
Davies, Stephen G.; Lee, James A.; Roberts, Paul M.; Thomson, James E.; Yin, Jingda; Organic letters 14 (2012) 218–221; doi:10.1021/ol203011u

data_1503514
_publ_section_title
;
 Parallel kinetic resolution of acyclic \g-amino-\a,\b-unsaturated esters:
 application to the asymmetric synthesis of 4-aminopyrrolidin-2-ones.
;
_journal_issue                   1
_journal_name_full               'Organic letters'
_journal_page_first              218
_journal_page_last               221
_journal_paper_doi               10.1021/ol203011u
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C23 H29 N1 O2'
_chemical_formula_sum            'C23 H29 N O2'
_chemical_formula_weight         351.49
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_cell_angle_alpha                90
_cell_angle_beta                 94.4233(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.83270(10)
_cell_length_b                   10.1818(2)
_cell_length_c                   33.8568(8)
_cell_measurement_reflns_used    3022
_cell_measurement_temperature    150
_cell_measurement_theta_max      24
_cell_measurement_theta_min      5
_cell_volume                     2004.68(7)
_computing_cell_refinement       'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2001).'
_computing_data_reduction        'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.037
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            5471
_diffrn_reflns_theta_full        23.119
_diffrn_reflns_theta_max         23.834
_diffrn_reflns_theta_min         5.202
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.99
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.165
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.090
_refine_diff_density_max         0.30
_refine_diff_density_min         -0.29
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0178
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         3055
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0781
_refine_ls_R_factor_gt           0.0593
_refine_ls_shift/su_max          0.0003052
_refine_ls_shift/su_mean         0.0000256
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method= Modified Sheldrick 
 w=1/[\s^2^(F^2^) + ( 0.05P)^2^ + 2.06P] 
 ,where P=(max(Fo^2^,0) + 2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1481
_refine_ls_wR_factor_gt          0.1385
_refine_ls_wR_factor_ref         0.1481
_reflns_limit_h_max              6
_reflns_limit_h_min              -6
_reflns_limit_k_max              11
_reflns_limit_k_min              0
_reflns_limit_l_max              38
_reflns_limit_l_min              0
_reflns_number_gt                2402
_reflns_number_total             3055
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   2.85
_oxford_diffrn_Wilson_scale      4.60
_oxford_refine_ls_r_factor_ref   0.0781
_oxford_refine_ls_scale          0.5090(15)
_oxford_reflns_number_all        3055
_oxford_reflns_threshold_expression_ref I>-3.0\s(I)
_cod_data_source_file            ol203011u_si_002.cif
_cod_data_source_block           22
_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_formula_sum        'C23 H29 N1 O2'
_cod_database_code               1503514