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_4025088
_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         'C18 H16 O3'
_chemical_formula_sum            'C18 H16 O3'
_chemical_formula_weight         280.31
_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
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90
_cell_angle_beta                 95.036(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.1950(2)
_cell_length_b                   5.9546(1)
_cell_length_c                   17.0522(3)
_cell_measurement_reflns_used    10506
_cell_measurement_temperature    100
_cell_measurement_theta_max      67.41
_cell_measurement_theta_min      3.89
_cell_volume                     1435.78(4)
_computing_cell_refinement       'SAINT V7.34A (Bruker AXS, 2006b)'
_computing_data_collection       'APEX2 v2.1-0 (Bruker AXS, 2006a)'
_computing_data_reduction        'SAINT V7.34A (Bruker AXS, 2006b)'
_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      100
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 0.953
_diffrn_measured_fraction_theta_max 0.954
_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  0.041
_diffrn_reflns_av_sigmaI/netI    0.0177
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            22947
_diffrn_reflns_theta_full        67.83
_diffrn_reflns_theta_max         67.83
_diffrn_reflns_theta_min         3.89
_diffrn_standards_decay_%        2.70
_diffrn_standards_interval_time  900
_diffrn_standards_number         147
_exptl_absorpt_coefficient_mu    0.708
_exptl_absorpt_correction_T_max  0.9790
_exptl_absorpt_correction_T_min  0.7492
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick, 1996)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PLATE
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.176
_refine_diff_density_min         -0.185
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         2484
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0410
_refine_ls_R_factor_gt           0.0355
_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^)+(0.0660P)^2^+0.1839P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0977
_refine_ls_wR_factor_ref         0.1010
_reflns_number_gt                2153
_reflns_number_total             2484
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo902066y_si_003.cif
_cod_data_source_block           cha187
_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.

'_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 (23
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 (33
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 (46 times).

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4025088