Amplification of asymmetric induction in sequential reactions of bis-diazoacetates catalyzed by chiral dirhodium(II) carboxamidates.
Doyle, Michael P.; Wang, Yuanhua; Ghorbani, Pejman; Bappert, Erhard; Organic letters 7 (2005) 5035–5038; doi:10.1021/ol0520121

data_1506736
_publ_section_title
;
 Amplification of asymmetric induction in sequential reactions of
 bis-diazoacetates catalyzed by chiral dirhodium(II) carboxamidates.
;
_journal_issue                   22
_journal_name_full               'Organic letters'
_journal_page_first              5035
_journal_page_last               5038
_journal_paper_doi               10.1021/ol0520121
_journal_volume                  7
_journal_year                    2005
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C10 H12 O4'
_chemical_formula_sum            'C10 H12 O4'
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_chemical_name_systematic        MPPIM-A
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_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
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_audit_creation_method           'SHELXL-97 & ZCIF'
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_cell_angle_beta                 107.8670(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   5.3861(3)
_cell_length_b                   10.9679(7)
_cell_length_c                   8.4107(5)
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_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      28.3
_cell_measurement_theta_min      2.5
_cell_volume                     472.89(5)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'Platon (Spek, 1990)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      213(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 8.33
_diffrn_detector_type            'Bruker Smart1000'
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_details      NFRAMES=606,606,606
_diffrn_measurement_device_type  'three-circle diffractometer'
_diffrn_measurement_method       '/w scans'
_diffrn_measurement_specimen_support 'glass capillary'
_diffrn_orient_matrix_type       standard
_diffrn_orient_matrix_UB_11      -0.0134167
_diffrn_orient_matrix_UB_12      -0.0811558
_diffrn_orient_matrix_UB_13      0.0509303
_diffrn_orient_matrix_UB_21      0.0183732
_diffrn_orient_matrix_UB_22      -0.0415184
_diffrn_orient_matrix_UB_23      -0.1016482
_diffrn_orient_matrix_UB_31      0.1937400
_diffrn_orient_matrix_UB_32      -0.0016793
_diffrn_orient_matrix_UB_33      0.0517570
_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  0.0204
_diffrn_reflns_av_sigmaI/netI    0.0165
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
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_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.15
_diffrn_source_current           40
_diffrn_source_voltage           50
_diffrn_standards_decay_%        0.00
_exptl_absorpt_coefficient_mu    0.107
_exptl_absorpt_correction_T_max  0.981
_exptl_absorpt_correction_T_min  0.901
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.378
_exptl_crystal_density_method    not_measured
_exptl_crystal_description       prism
_exptl_crystal_F_000             208
_exptl_crystal_id                'Doyle/Yuanhua MPPIM-A'
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.224
_refine_diff_density_min         -0.148
_refine_diff_density_rms         0.031
_refine_ls_abs_structure_details '(Flack, 1983)'
_refine_ls_abs_structure_Flack   0.5(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     175
_refine_ls_number_reflns         1120
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.0410
_refine_ls_R_factor_gt           0.0354
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.022P)^2^+0.177P], P=(max(Fo^2^,0)+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0738
_refine_ls_wR_factor_ref         0.0782
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1012
_reflns_number_total             1120
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol0520121si20050819_025502.cif
_cod_data_source_block           1240
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               1506736
_diffrn_measurement_total_frames-ccd 1818
_diffrn_measurement_frame_width-ccd 0.3000
_diffrn_detector_distance-ccd    4.990
_diffrn_measurement_frame_time-ccd 15
_diffrn_measurement_total_time-ccd 10.5
_diffrn_measurement_frame_size-ccd 512