Stepwise cycloadditions of mesoionic systems: thionation of thioisomünchnones by isothiocyanates.
Cantillo, David; Avalos, Martín; Babiano, Reyes; Cintas, Pedro; Jiménez, José L; Light, Mark E.; Palacios, Juan C.; Organic letters 10 (2008) 1079–1082; doi:10.1021/ol702929k

data_1504528
_publ_section_title
;
 Stepwise cycloadditions of mesoionic systems: thionation of
 thioisom\"unchnones by isothiocyanates.
;
_journal_issue                   6
_journal_name_full               'Organic letters'
_journal_page_first              1079
_journal_page_last               1082
_journal_paper_doi               10.1021/ol702929k
_journal_volume                  10
_journal_year                    2008
_chemical_compound_source        'Pedro Cintas'
_chemical_formula_sum            'C34 H31 N3 O9'
_chemical_formula_weight         625.62
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           18
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2 2ab'
_symmetry_space_group_name_H-M   'P 21 21 2'
_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                   19.1489(17)
_cell_length_b                   22.7405(19)
_cell_length_c                   7.6440(5)
_cell_measurement_reflns_used    87729
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     3328.6(5)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_molecular_graphics    'CAMERON (Watkin, et al., 1993)'
_computing_publication_material  'WINGX (Farrugia, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker-Nonius CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans to fill the asymmetric unit'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker Nonius FR591 Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.2318
_diffrn_reflns_av_sigmaI/netI    0.1047
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            32777
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         3.01
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.9982
_exptl_absorpt_correction_T_min  0.9457
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS V2.10 (Sheldrick, G.M., 2003)
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.248
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1312
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.298
_refine_diff_density_min         -0.222
_refine_diff_density_rms         0.054
_refine_ls_extinction_coef       0.018(2)
_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   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     397
_refine_ls_number_reflns         3342
_refine_ls_number_restraints     336
_refine_ls_restrained_S_all      0.991
_refine_ls_R_factor_all          0.1431
_refine_ls_R_factor_gt           0.0748
_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^)+(0.0867P)^2^+1.4605P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1608
_refine_ls_wR_factor_ref         0.1878
_reflns_number_gt                1985
_reflns_number_total             3342
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol702929k-file002.cif
_cod_data_source_block           2007acc0771
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2
_cod_database_code               1504528