Asymmetric Catalysis on the Intramolecular Cyclopropanation of α-Diazo-β-keto Sulfones
Masahiro Honma; Takashi Sawada; Yuri Fujisawa; Masayuki Utsugi; Hideaki Watanabe; Akinori Umino; Takehiko Matsumura; Takayuki Hagihara; Masashi Takano; Masahisa Nakada; Journal of the American Chemical Society 125 (2003) 2860–2861; doi:10.1021/ja029534l

data_4113543
_publ_section_title
;
 Asymmetric Catalysis on the Intramolecular Cyclopropanation of
 \a-Diazo-\b-keto Sulfones
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2860
_journal_page_last               2861
_journal_paper_doi               10.1021/ja029534l
_journal_volume                  125
_journal_year                    2003
_chemical_formula_moiety         'C26 H31 Br N O4 S '
_chemical_formula_sum            'C26 H31 Br N O4 S'
_chemical_formula_weight         533.50
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      5
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_audit_creation_date             2002-11-29
_audit_creation_method           'by CrystalStructure v3.10'
_cell_angle_alpha                90
_cell_angle_beta                 95.019(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   27.530(3)
_cell_length_b                   12.791(1)
_cell_length_c                   7.2049(6)
_cell_measurement_reflns_used    14985
_cell_measurement_temperature    93.1
_cell_measurement_theta_max      27.4
_cell_measurement_theta_min      1.5
_cell_volume                     2527.4(4)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure Ver. 3.10'
_computing_structure_refinement  CRYSTALS
_computing_structure_solution    SIR92
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.9802
_diffrn_measured_fraction_theta_max 0.9802
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.066
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            9569
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_exptl_absorpt_coefficient_mu    1.746
_exptl_absorpt_correction_T_max  0.840
_exptl_absorpt_correction_T_min  1.000
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
    Higashi, T. (1995). Program for Absorption Correction.
    Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.402
_exptl_crystal_description       prism
_exptl_crystal_F_000             1108.00
_exptl_crystal_size_max          0.70
_exptl_crystal_size_mid          0.60
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.76
_refine_diff_density_min         -0.82
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  2207 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.000(9)
_refine_ls_extinction_coef       -14.7(6)
_refine_ls_extinction_method
'Larson (1970) Crystallographic Computing eq. 22'
_refine_ls_goodness_of_fit_ref   1.219
_refine_ls_hydrogen_treatment    mixed
_refine_ls_number_parameters     403
_refine_ls_number_reflns         4491
_refine_ls_R_factor_gt           0.0410
_refine_ls_shift/su_max          0.0070
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[0.0001Fo^2^ + 2.0000\s^2^(Fo) + 0.5000]/(4Fo^2^)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0850
_reflns_number_gt                4491
_reflns_number_total             5175
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ja029534lsi20030117_035028_3.cif
_cod_data_source_block           '_aui______________________'
_cod_original_formula_sum        'C26 H31 Br N O4 S '
_cod_database_code               4113543