New Electrophilic Addition of α-Diazoesters with Ketones for Enantioselective C-N Bond Formation
Wei Li; Xiaohua Liu; Xiaoyu Hao; Xiaolei Hu; Yangyang Chu; Weidi Cao; Song Qin; Changwei Hu; Lili Lin; Xiaoming Feng; Journal of the American Chemical Society 133 (2011) 15268–15271; doi:10.1021/ja2056159

data_4106874
_publ_section_title
;
 New Electrophilic Addition of \a-Diazoesters with Ketones for
 Enantioselective C-N Bond Formation
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15268
_journal_page_last               15271
_journal_paper_doi               10.1021/ja2056159
_journal_volume                  133
_journal_year                    2011
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C21 H22 N2 O3'
_chemical_formula_sum            'C21 H22 N2 O3'
_chemical_formula_weight         350.41
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.2114(10)
_cell_length_b                   18.831(4)
_cell_length_c                   19.186(4)
_cell_measurement_reflns_used    13385
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      68.18
_cell_measurement_theta_min      3.29
_cell_volume                     1882.8(7)
_computing_cell_refinement       'Rapid Auto(Rigaku 2001)'
_computing_data_collection       'Rapid Auto(Rigaku 2001)'
_computing_data_reduction        'Rapid Auto(Rigaku 2001)'
_computing_molecular_graphics
;
 Mercury: visualization and analysis of crystal structures, C. F. Macrae,
 P. R. Edgington, P. McCabe, E. Pidcock, G. P. Shields, R. Taylor,
 M. Towler and J. van de Streek, J. Appl. Cryst., 39, 453-457, 2006.
;
_computing_publication_material  'SHELX-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Rigaku raxis Rapid IP Area Detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0297
_diffrn_reflns_av_sigmaI/netI    0.0249
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            13316
_diffrn_reflns_theta_full        68.18
_diffrn_reflns_theta_max         68.18
_diffrn_reflns_theta_min         3.29
_exptl_absorpt_coefficient_mu    0.671
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7570
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR by T. Higashi, March, 2001'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.236
_exptl_crystal_description       block
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.60
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.121
_refine_diff_density_min         -0.096
_refine_diff_density_rms         0.027
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.2(2)
_refine_ls_extinction_coef       0.0043(3)
_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   1.086
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         3328
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0338
_refine_ls_R_factor_gt           0.0310
_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^)+(0.0307P)^2^+0.3010P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0723
_refine_ls_wR_factor_ref         0.0770
_reflns_number_gt                3101
_reflns_number_total             3328
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja2056159_si_001.cif
_cod_data_source_block           a
_cod_original_cell_volume        1882.8(6)
_cod_database_code               4106874