Catalytic asymmetric 1,3-dipolar [3 + 6] cycloaddition of azomethine ylides with 2-acyl cycloheptatrienes: efficient construction of bridged heterocycles bearing piperidine moiety.
Li, Qing-Hua; Wei, Liang; Wang, Chun-Jiang; Journal of the American Chemical Society 136 (2014) 8685–8692; doi:10.1021/ja503309u

data_4121941
_publ_section_title
;
 Catalytic asymmetric 1,3-dipolar [3 + 6] cycloaddition of azomethine
 ylides with 2-acyl cycloheptatrienes: efficient construction of bridged
 heterocycles bearing piperidine moiety.
;
_journal_issue                   24
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8685
_journal_page_last               8692
_journal_paper_doi               10.1021/ja503309u
_journal_volume                  136
_journal_year                    2014
_chemical_absolute_configuration 7R,8R,9R,15R
_chemical_formula_sum            'C27 H28 Cl N O6 S'
_chemical_formula_weight         530.01
_space_group_IT_number           145
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'P 32'
_symmetry_space_group_name_H-M   'P 32'
_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                120.00
_cell_formula_units_Z            3
_cell_length_a                   13.8575(15)
_cell_length_b                   13.8575(15)
_cell_length_c                   12.3672(13)
_cell_measurement_temperature    296(2)
_cell_volume                     2056.7(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0256
_diffrn_reflns_av_sigmaI/netI    0.0370
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13721
_diffrn_reflns_theta_full        26.49
_diffrn_reflns_theta_max         26.49
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    0.256
_exptl_absorpt_correction_T_max  0.9388
_exptl_absorpt_correction_T_min  0.9296
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SDAABS
_exptl_crystal_density_diffrn    1.284
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             834
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.189
_refine_diff_density_min         -0.179
_refine_diff_density_rms         0.025
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.05(6)
_refine_ls_extinction_coef       0.0059(7)
_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   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     329
_refine_ls_number_reflns         5608
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0805
_refine_ls_R_factor_gt           0.0399
_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^)+(0.0289P)^2^+0.2132P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0744
_refine_ls_wR_factor_ref         0.0890
_reflns_number_gt                3372
_reflns_number_total             5608
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja503309u_si_004.cif
_cod_data_source_block           131206lqh_0m
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
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 4121940--4121942.cif.
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_cod_original_sg_symbol_H-M      P3(2)
_cod_database_code               4121941