Rhodium-catalyzed domino heterocyclization and [(3+2)+2] carbocyclization: construction of fused tricycloheptadienes.
Zhao, Wanxiang; Zhang, Junliang; Chemical communications (Cambridge, England) 46 (2010) 7816–7818; doi:10.1039/c0cc02382e

data_7112897
_publ_section_title
;
 Rhodium-catalyzed domino heterocyclization and [(3+2)+2]
 carbocyclization: construction of fused tricycloheptadienes.
;
_journal_issue                   41
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              7816
_journal_page_last               7818
_journal_paper_doi               10.1039/c0cc02382e
_journal_volume                  46
_journal_year                    2010
_chemical_formula_sum            'C36 H32 O7'
_chemical_formula_weight         576.62
_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                 103.382(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.1051(14)
_cell_length_b                   17.2655(13)
_cell_length_c                   9.1572(7)
_cell_measurement_temperature    296(2)
_cell_volume                     2938.6(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.1318
_diffrn_reflns_av_sigmaI/netI    0.0850
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            33980
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9810
_exptl_absorpt_correction_T_min  0.9634
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.303
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1216
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.215
_refine_diff_density_min         -0.214
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.012
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     388
_refine_ls_number_reflns         5182
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.1503
_refine_ls_R_factor_gt           0.0559
_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^)+(0.0495P)^2^+1.4859P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1108
_refine_ls_wR_factor_ref         0.1547
_reflns_number_gt                2442
_reflns_number_total             5182
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0cc02382e.txt
_cod_data_source_block           3ad
_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               7112897