BF3-Mediated cis-Selective Cycloaddition of O-Silyloxime with Alkenes.
Morita, Nobuyoshi; Kono, Rina; Fukui, Kenji; Miyazawa, Asuka; Masu, Hyuma; Azumaya, Isao; Ban, Shintaro; Hashimoto, Yoshimitsu; Okamoto, Iwao; Tamura, Osamu; The Journal of organic chemistry 80 (2015) 4797–4802; doi:10.1021/acs.joc.5b00426

data_4036189
_publ_section_title
;
 BF3-Mediated cis-Selective Cycloaddition of O-Silyloxime with Alkenes.
;
_journal_issue                   9
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              4797
_journal_page_last               4802
_journal_paper_doi               10.1021/acs.joc.5b00426
_journal_volume                  80
_journal_year                    2015
_chemical_formula_sum            'C4 H7 B F2 N2 O2'
_chemical_formula_weight         163.93
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_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                90.00
_cell_angle_beta                 105.2590(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.7266(9)
_cell_length_b                   13.5479(19)
_cell_length_c                   7.8299(11)
_cell_measurement_reflns_used    2101
_cell_measurement_temperature    120
_cell_measurement_theta_max      26.96
_cell_measurement_theta_min      3.01
_cell_volume                     688.39(16)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'XSHEL (Bruker AXS,2002)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.912
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0147
_diffrn_reflns_av_sigmaI/netI    0.0190
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -3
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            3274
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.15
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    0.154
_exptl_absorpt_correction_T_max  0.9554
_exptl_absorpt_correction_T_min  0.9341
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.582
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             336
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.259
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     102
_refine_ls_number_reflns         1393
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.087
_refine_ls_R_factor_all          0.0348
_refine_ls_R_factor_gt           0.0324
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0467P)^2^+0.2346P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0907
_refine_ls_wR_factor_ref         0.0922
_reflns_number_gt                1267
_reflns_number_total             1393
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo5b00426_si_002.cif
_cod_data_source_block           a0812221mas
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/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_sg_symbol_H-M      'P2(1)/n  '
_cod_database_code               4036189