trans-Directing Ability of the Amide Group: Enabling the Enantiocontrol in the Synthesis of 1,1-Dicarboxy Cyclopropanes. Reaction Development, Scope, and Synthetic Applications
David Marcoux; Sébastien R. Goudreau; André B. Charette; Journal of Organic Chemistry 74 (2009) 8939–8955; doi:10.1021/jo902066y

data_4025089
_publ_section_title
;
trans-Directing Ability of the Amide Group: Enabling the Enantiocontrol in
the Synthesis of 1,1-Dicarboxy Cyclopropanes. Reaction Development, Scope,
and Synthetic Applications
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8939
_journal_page_last               8955
_journal_paper_doi               10.1021/jo902066y
_journal_volume                  74
_journal_year                    2009
_chemical_compound_source        'Synthesized by the authors. See text'
_chemical_formula_moiety
;
;
_chemical_formula_sum            'C19 H26 N2 O3'
_chemical_formula_weight         330.42
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.1535(6)
_cell_length_b                   15.5488(8)
_cell_length_c                   10.3661(6)
_cell_measurement_reflns_used    5787
_cell_measurement_temperature    150
_cell_measurement_theta_max      66.99
_cell_measurement_theta_min      4.27
_cell_volume                     1797.73(17)
_computing_cell_refinement       'SAINT V7.60A(Bruker AXS, 2008)'
_computing_data_collection       'APEX2  (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT V7.60A(Bruker AXS, 2008)'
_computing_molecular_graphics    'SHELXTL v6.12 (Bruker AXS, 2001)'
_computing_publication_material  'UdMX (Maris, 2004)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Microstar'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  'Helios optics'
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.052
_diffrn_reflns_av_sigmaI/netI    0.0309
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            6801
_diffrn_reflns_theta_full        67.49
_diffrn_reflns_theta_max         67.49
_diffrn_reflns_theta_min         4.88
_exptl_absorpt_coefficient_mu    0.664
_exptl_absorpt_correction_T_max  0.9483
_exptl_absorpt_correction_T_min  0.8871
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick, 2008)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.221
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Chunk
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.168
_refine_diff_density_min         -0.159
_refine_diff_density_rms         0.031
_refine_ls_abs_structure_details 'Friedel Pairs merged'
_refine_ls_abs_structure_Flack   0.07(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         3225
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0296
_refine_ls_R_factor_gt           0.0295
_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^)+(0.0528P)^2^+0.2020P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0820
_refine_ls_wR_factor_ref         0.0820
_reflns_number_gt                3205
_reflns_number_total             3225
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo902066y_si_004.cif
_cod_data_source_block           cha193
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (26
times).

'_geom_angle_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (39
times).

'_geom_torsion_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (47 times).

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      Pna21
_cod_database_code               4025089