Tertiary amine-catalyzed chemoselective and asymmetric [3 + 2] annulation of Morita-Baylis-Hillman carbonates of isatins with propargyl sulfones.
Peng, Jing; Huang, Xin; Jiang, Lin; Cui, Hai-Lei; Chen, Ying-Chun; Organic letters 13 (2011) 4584–4587; doi:10.1021/ol201776h

data_1502394
_publ_section_title
;
 Tertiary amine-catalyzed chemoselective and asymmetric [3 + 2] annulation
 of Morita-Baylis-Hillman carbonates of isatins with propargyl sulfones.
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_journal_issue                   17
_journal_name_full               'Organic letters'
_journal_page_first              4584
_journal_page_last               4587
_journal_paper_doi               10.1021/ol201776h
_journal_volume                  13
_journal_year                    2011
_chemical_absolute_configuration ad
_chemical_formula_sum            'C27 H23 Br N2 O7'
_chemical_formula_weight         567.38
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_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
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.383(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.412(3)
_cell_length_b                   9.970(4)
_cell_length_c                   13.453(5)
_cell_measurement_reflns_used    3675
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      3.28
_cell_volume                     1260.2(8)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  AFC10/Saturn724+
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0744
_diffrn_reflns_av_sigmaI/netI    0.1534
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9861
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         3.03
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.681
_exptl_absorpt_correction_T_max  0.7276
_exptl_absorpt_correction_T_min  0.5485
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.495
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Chunk
_exptl_crystal_F_000             580
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.41
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.598
_refine_diff_density_min         -0.832
_refine_diff_density_rms         0.137
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.026(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     329
_refine_ls_number_reflns         4832
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_all          0.0859
_refine_ls_R_factor_gt           0.0667
_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^)+(0.0330P)^2^+0.2560P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1428
_refine_ls_wR_factor_ref         0.1469
_reflns_number_gt                2786
_reflns_number_total             4832
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol201776h_si_003.cif
_cod_data_source_block           7b
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scans' was replaced
with the value 'multi-scan' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               1502394