Access to polyfunctionalized diquinanes, hydrindanes, and decalines via TiCl4 promoted Michael-aldol and Baylis-Hillman reactions.
Ressault, Blandine; Jaunet, Alexis; Geoffroy, Philippe; Goudedranche, Sébastien; Miesch, Michel; Organic letters 14 (2012) 366–369; doi:10.1021/ol203118t

data_1503554
_publ_section_title
;
 Access to polyfunctionalized diquinanes, hydrindanes, and decalines via
 TiCl4 promoted Michael-aldol and Baylis-Hillman reactions.
;
_journal_issue                   1
_journal_name_full               'Organic letters'
_journal_page_first              366
_journal_page_last               369
_journal_paper_doi               10.1021/ol203118t
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C15 H23 Cl O4'
_chemical_formula_sum            'C15 H23 Cl O4'
_chemical_formula_weight         302.78
_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                 120.880(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.6705(2)
_cell_length_b                   26.6937(8)
_cell_length_c                   8.6661(3)
_cell_measurement_reflns_used    10742
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      0.998
_cell_volume                     1522.88(9)
_computing_cell_refinement       'Denzo (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo (Nonius B.V., 1998)'
_computing_molecular_graphics    'PLATON 98 (Spek, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  KappaCCD
_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  0.0520
_diffrn_reflns_av_sigmaI/netI    0.0361
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            11189
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.53
_exptl_absorpt_coefficient_mu    0.261
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.321
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.282
_refine_diff_density_min         -0.298
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     187
_refine_ls_number_reflns         3467
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.112
_refine_ls_R_factor_all          0.0518
_refine_ls_R_factor_gt           0.0421
_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^)+(0.0732P)^2^+0.2849P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1203
_refine_ls_wR_factor_ref         0.1339
_reflns_number_gt                2940
_reflns_number_total             3467
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ol203118t_si_010.cif
_cod_data_source_block           mmbr110905_02
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1522.88(8)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1503554