Combining multi-catalysis and multi-component systems for the development of one-pot asymmetric reactions: stereoselective synthesis of highly functionalized bicyclo[4.4.0]decane-1,6-diones
Ramachary, Dhevalapally B.; Sakthidevi, Rajasekar; Organic & Biomolecular Chemistry 6 (2008) 2488–2492; doi:10.1039/b806243a

data_7150957
_publ_section_title
;
 Combining multi-catalysis and multi-component systems for the
 development of one-pot asymmetric reactions: stereoselective synthesis
 of highly functionalized bicyclo[4.4.0]decane-1,6-diones
;
_journal_issue                   14
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_page_first              2488
_journal_page_last               2492
_journal_paper_doi               10.1039/b806243a
_journal_volume                  6
_journal_year                    2008
_chemical_absolute_configuration syn
_chemical_formula_sum            'C11 H16 O2'
_chemical_formula_weight         180.24
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 93.255(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.2451(7)
_cell_length_b                   7.3525(7)
_cell_length_c                   9.3666(9)
_cell_measurement_reflns_used    2988
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.75
_cell_measurement_theta_min      2.82
_cell_volume                     498.15(8)
_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  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0210
_diffrn_reflns_av_sigmaI/netI    0.0155
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5101
_diffrn_reflns_theta_full        25.85
_diffrn_reflns_theta_max         25.85
_diffrn_reflns_theta_min         2.18
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.9872
_exptl_absorpt_correction_T_min  0.9653
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.202
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             196
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.180
_refine_diff_density_min         -0.190
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.105
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     119
_refine_ls_number_reflns         1037
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.104
_refine_ls_R_factor_all          0.0429
_refine_ls_R_factor_gt           0.0394
_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^)+(0.0588P)^2^+0.0374P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0988
_refine_ls_wR_factor_ref         0.1017
_reflns_number_gt                961
_reflns_number_total             1037
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b806243a.txt
_cod_data_source_block           dbr41_m
_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) '
_cod_database_code               7150957