Organocatalytic Sequential One-Pot Double Cascade Asymmetric Synthesis of Wieland-Miescher Ketone Analogues from a Knoevenagel/Hydrogenation/Robinson Annulation Sequence: Scope and Applications of Organocatalytic Biomimetic Reductions
Dhevalapally B. Ramachary; Mamillapalli Kishor; Journal of Organic Chemistry 72 (2007) 5056–5068; doi:10.1021/jo070277i

data_4023970
_publ_section_title
;
 Organocatalytic Sequential One-Pot Double Cascade Asymmetric
 Synthesis of Wieland-Miescher Ketone Analogues from a
 Knoevenagel/Hydrogenation/Robinson Annulation Sequence:
 Scope and Applications of Organocatalytic Biomimetic Reductions
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5056
_journal_page_last               5068
_journal_paper_doi               10.1021/jo070277i
_journal_volume                  72
_journal_year                    2007
_chemical_formula_sum            'C15 H17 Cl O2'
_chemical_formula_weight         264.74
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 108.357(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   21.065(11)
_cell_length_b                   5.735(3)
_cell_length_c                   24.155(13)
_cell_measurement_reflns_used    3340
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.72
_cell_measurement_theta_min      3.10
_cell_volume                     2770(3)
_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 0.986
_diffrn_measured_fraction_theta_max 0.986
_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  0.0316
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_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            10116
_diffrn_reflns_theta_full        26.05
_diffrn_reflns_theta_max         26.05
_diffrn_reflns_theta_min         1.78
_exptl_absorpt_coefficient_mu    0.267
_exptl_absorpt_correction_T_max  0.981
_exptl_absorpt_correction_T_min  0.921
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1120
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.376
_refine_diff_density_min         -0.382
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     171
_refine_ls_number_reflns         2697
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0740
_refine_ls_R_factor_gt           0.0515
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0563P)^2^+2.1594P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1197
_refine_ls_wR_factor_ref         0.1319
_reflns_number_gt                1943
_reflns_number_total             2697
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo070277isi20070209_033759.cif
_cod_data_source_block           dbr7bh
_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      'C 2/c'
_cod_database_code               4023970