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_1503518
_publ_section_title
;
 Parallel kinetic resolution of acyclic \g-amino-\a,\b-unsaturated esters:
 application to the asymmetric synthesis of 4-aminopyrrolidin-2-ones.
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_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         'C41 H52 N2 O2'
_chemical_formula_sum            'C41 H52 N2 O2'
_chemical_formula_weight         604.88
_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                 116.3099(14)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.7110(6)
_cell_length_b                   12.0009(4)
_cell_length_c                   18.5046(6)
_cell_measurement_reflns_used    7041
_cell_measurement_temperature    150
_cell_measurement_theta_max      27
_cell_measurement_theta_min      5
_cell_volume                     3525.7(2)
_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    'USER DEFINED STRUCTURE SOLUTION'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.991
_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  0.081
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            13208
_diffrn_reflns_theta_full        26.640
_diffrn_reflns_theta_max         27.464
_diffrn_reflns_theta_min         5.107
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.98
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.139
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1312
_exptl_crystal_size_max          0.260
_exptl_crystal_size_mid          0.240
_exptl_crystal_size_min          0.140
_refine_diff_density_max         0.29
_refine_diff_density_min         -0.25
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.1484
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     406
_refine_ls_number_reflns         3716
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.1713
_refine_ls_R_factor_gt           0.0632
_refine_ls_shift/su_max          0.0002899
_refine_ls_shift/su_mean         0.0000248
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 1.19 1.14 0.858 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1171
_refine_ls_wR_factor_gt          0.0627
_refine_ls_wR_factor_ref         0.0627
_reflns_limit_h_max              20
_reflns_limit_h_min              -22
_reflns_limit_k_max              15
_reflns_limit_k_min              0
_reflns_limit_l_max              24
_reflns_limit_l_min              0
_reflns_number_gt                3716
_reflns_number_total             7964
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   0.00
_oxford_diffrn_Wilson_scale      0.00
_oxford_refine_ls_r_factor_ref   0.0632
_oxford_refine_ls_scale          0.2207(6)
_oxford_reflns_number_all        7964
_oxford_reflns_threshold_expression_ref I>2.0\s(I)
_cod_data_source_file            ol203011u_si_002.cif
_cod_data_source_block           47
_cod_depositor_comments
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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 
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_cod_database_code               1503518