Azomethine ylide annulations: facile access to polycyclic ring systems
Zhang, Chen; Das, Deepankar; Seidel, Daniel; Chemical Science 2 (2011) 233–; doi:10.1039/c0sc00432d

data_1515422
_publ_section_title
;
 Azomethine ylide annulations: facile access to polycyclic ring systems
;
_journal_issue                   2
_journal_name_full               'Chemical Science'
_journal_page_first              233
_journal_paper_doi               10.1039/c0sc00432d
_journal_volume                  2
_journal_year                    2011
_chemical_formula_moiety         'C23 H26 N2 O2'
_chemical_formula_sum            'C23 H26 N2 O2'
_chemical_formula_weight         362.46
_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                 93.113(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.9485(5)
_cell_length_b                   12.2725(7)
_cell_length_c                   17.1292(10)
_cell_measurement_reflns_used    7021
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.52
_cell_measurement_theta_min      2.38
_cell_volume                     1878.36(19)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0226
_diffrn_reflns_av_sigmaI/netI    0.0210
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            22581
_diffrn_reflns_theta_full        31.00
_diffrn_reflns_theta_max         31.00
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.989
_exptl_absorpt_correction_T_min  0.963
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'Bruker SAINT'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.536
_refine_diff_density_min         -0.219
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     252
_refine_ls_number_reflns         5973
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.0505
_refine_ls_R_factor_gt           0.0453
_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^)+(0.0600P)^2^+0.7700P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1115
_refine_ls_wR_factor_ref         0.1152
_reflns_number_gt                5290
_reflns_number_total             5973
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0sc00432d.txt
_cod_data_source_block           chen904
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/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 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1515422