Rh(II)/Brønsted Acid Cocatalyzed Intramolecular Trapping of Ammonium Ylides with Enones: Diastereoselective Synthesis of 2,2,3-Trisubstituted Indolines.
Jiang, Liqin; Xu, Renqi; Kang, Zhenghui; Feng, Yixiao; Sun, Fengxia; Hu, Wenhao; The Journal of organic chemistry 79 (2014) 8440–8446; doi:10.1021/jo501282h

data_4029866
_publ_section_title
;
 Rh(II)/Br\/onsted Acid Cocatalyzed Intramolecular Trapping of Ammonium
 Ylides with Enones: Diastereoselective Synthesis of 2,2,3-Trisubstituted
 Indolines.
;
_journal_issue                   17
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              8440
_journal_page_last               8446
_journal_paper_doi               10.1021/jo501282h
_journal_volume                  79
_journal_year                    2014
_chemical_formula_sum            'C24 H20 Br N O3'
_chemical_formula_weight         450.32
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 105.471(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.5954(6)
_cell_length_b                   21.9171(16)
_cell_length_c                   10.9128(8)
_cell_measurement_temperature    173(2)
_cell_volume                     1981.3(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0443
_diffrn_reflns_av_sigmaI/netI    0.0285
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            22832
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.15
_exptl_absorpt_coefficient_mu    2.101
_exptl_absorpt_correction_T_max  0.7435
_exptl_absorpt_correction_T_min  0.6437
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.510
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             920
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.600
_refine_diff_density_min         -0.554
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         3479
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0418
_refine_ls_R_factor_gt           0.0314
_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^)+(0.0341P)^2^+1.5033P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0724
_refine_ls_wR_factor_ref         0.0774
_reflns_number_gt                2892
_reflns_number_total             3479
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo501282h_si_001.cif
_cod_data_source_block           z
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4029866.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4029866