Diastereoselective synthesis of polysubstituted Δ1-pyrroline derivatives from in situ generated nitrile ylides
Guo, Zhi-Wei; Huang, Xiao; Mao, Jia-Min; Zhu, Wei-Dong; Xie, Jian-Wu; RSC Advances 3 (2013) 25103–; doi:10.1039/c3ra44736g

data_7239312
_publ_section_title
;
 Diastereoselective synthesis of polysubstituted \D1-pyrroline derivatives
 from in situ generated nitrile ylides
;
_journal_issue                   47
_journal_name_full               'RSC Advances'
_journal_page_first              25103
_journal_paper_doi               10.1039/c3ra44736g
_journal_volume                  3
_journal_year                    2013
_chemical_formula_moiety         'C7.94 H6.53 N0.35 O0.18'
_chemical_formula_sum            'C7.94 H6.53 N0.35 O0.18'
_chemical_formula_weight         109.72
_space_group_IT_number           145
_space_group_name_Hall           'P 32'
_space_group_name_H-M_alt        'P 32'
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_H-M   'P 32'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            17
_cell_length_a                   9.2770(3)
_cell_length_b                   9.2770(3)
_cell_length_c                   34.749(3)
_cell_measurement_temperature    296(2)
_cell_volume                     2589.9(3)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0787
_diffrn_reflns_av_sigmaI/netI    0.1467
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       45
_diffrn_reflns_limit_l_min       -45
_diffrn_reflns_number            13698
_diffrn_reflns_theta_full        27.55
_diffrn_reflns_theta_max         27.55
_diffrn_reflns_theta_min         1.76
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.196
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             987
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.139
_refine_diff_density_min         -0.134
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   2(4)
_refine_ls_extinction_coef       0.0105(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.921
_refine_ls_matrix_type           full
_refine_ls_number_parameters     434
_refine_ls_number_reflns         6868
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.921
_refine_ls_R_factor_all          0.1998
_refine_ls_R_factor_gt           0.0596
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0561P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1175
_refine_ls_wR_factor_ref         0.1684
_reflns_number_gt                2615
_reflns_number_total             6868
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ra44736g.txt
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Trigonal' was changed to
'trigonal' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        2589.9(2)
_cod_original_sg_symbol_H-M      P3(2)
_cod_database_code               7239312