Enantio- and periselective nitroalkene Diels-Alder reaction.
Narcis, Maurice J.; Sprague, Daniel J.; Captain, Burjor; Takenaka, Norito; Organic & biomolecular chemistry 10 (2012) 9134–9136; doi:10.1039/c2ob26674a

data_7152734
_publ_section_title
;
 Enantio- and periselective nitroalkene Diels-Alder reaction.
;
_journal_issue                   46
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              9134
_journal_page_last               9136
_journal_paper_doi               10.1039/c2ob26674a
_journal_volume                  10
_journal_year                    2012
_chemical_absolute_configuration ad
_chemical_formula_sum            'C19 H24 Cl N O2'
_chemical_formula_weight         333.84
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                93.3550(10)
_cell_angle_beta                 95.3230(10)
_cell_angle_gamma                93.6820(10)
_cell_formula_units_Z            4
_cell_length_a                   8.3206(4)
_cell_length_b                   8.3369(4)
_cell_length_c                   25.7561(14)
_cell_measurement_reflns_used    5152
_cell_measurement_temperature    100
_cell_measurement_theta_max      26.33
_cell_measurement_theta_min      2.39
_cell_volume                     1771.53(15)
_computing_cell_refinement       'SAINT+ V7.46A (Bruker, 2007)'
_computing_data_collection       'APEX2 v2.2-0 (Bruker, 2007)'
_computing_data_reduction        'SAINT+ V7.46A (Bruker, 2007)'
_computing_molecular_graphics    'XSHELL v4.02 (Bruker, 2000)'
_computing_publication_material  'XCIF v6.12 (Bruker, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX2 CCD diffractometer'
_diffrn_measurement_method       '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  0.0253
_diffrn_reflns_av_sigmaI/netI    0.0594
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            19842
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.59
_exptl_absorpt_coefficient_mu    0.225
_exptl_absorpt_correction_T_max  0.9866
_exptl_absorpt_correction_T_min  0.9154
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS 2007/4 Bruker)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.302
_refine_diff_density_min         -0.239
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details
'Flack H D (1983), Acta Cryst. A39, 876-881, 6821 Friedel Pairs'
_refine_ls_abs_structure_Flack   -0.03(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     849
_refine_ls_number_reflns         14565
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0552
_refine_ls_R_factor_gt           0.0453
_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^)+(0.0341P)^2^+0.1582P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0873
_refine_ls_wR_factor_ref         0.0925
_reflns_number_gt                12543
_reflns_number_total             14565
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ob26674a.txt
_cod_data_source_block           collect_0m
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P1
_cod_database_code               7152734