A new domino autocatalytic reaction leading to polyfunctionalized spiro[5.5]undecanes and dispiro[4.2.5.2]pentadecanes
Jiang, Bo; Hao, Wen-Juan; Zhang, Jin-Peng; Tu, Shu-Jiang; Shi, Feng; Organic & Biomolecular Chemistry 7 (2009) 2195–2201; doi:10.1039/b822645h

data_7150628
_publ_section_title
;
 A new domino autocatalytic reaction leading to polyfunctionalized
 spiro[5.5]undecanes and dispiro[4.2.5.2]pentadecanes
;
_journal_issue                   10
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_page_first              2195
_journal_page_last               2201
_journal_paper_doi               10.1039/b822645h
_journal_volume                  7
_journal_year                    2009
_chemical_formula_sum            'C27 H30 O8'
_chemical_formula_weight         482.51
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 94.934(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.977(5)
_cell_length_b                   20.162(9)
_cell_length_c                   12.508(6)
_cell_measurement_reflns_used    1366
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      19.535
_cell_measurement_theta_min      2.285
_cell_volume                     2507(2)
_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      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.935
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.1044
_diffrn_reflns_av_sigmaI/netI    0.1633
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            11754
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.28
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  0.9888
_exptl_absorpt_correction_T_min  0.9607
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.279
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.460
_refine_diff_density_min         -0.213
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         4126
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.2361
_refine_ls_R_factor_gt           0.0747
_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^)+(0.0550P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1392
_refine_ls_wR_factor_ref         0.1874
_reflns_number_gt                1349
_reflns_number_total             4126
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b822645h.txt
_cod_data_source_block           041203c
_cod_depositor_comments
;
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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7150628