Toward the Total Synthesis of Vinigrol: Synthesis of epi-C-8-Dihydrovinigrol
Lionel Gentric; Xavier Le Goff; Louis Ricard; Issam Hanna; Journal of Organic Chemistry 74 (2009) 9337–9344; doi:10.1021/jo901971f

data_4025096
_publ_contact_author_address
;Laboratoire DCPH
Ecole Polytechnique
Route de Saclay
F91128 Palaiseau
France
;
_publ_contact_author_email       xavier-frederic.legoff@polytechnique.edu
_publ_contact_author_fax         330169334440
_publ_contact_author_name        'Xavier F. Le Goff'
_publ_contact_author_phone       330169334413
_publ_section_title
;
Toward the Total Synthesis of Vinigrol: Synthesis of epi-C-8-Dihydrovinigrol
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              9337
_journal_page_last               9344
_journal_paper_doi               10.1021/jo901971f
_journal_volume                  74
_journal_year                    2009
_chemical_formula_moiety         'C20 H36 O3'
_chemical_formula_sum            'C20 H36 O3'
_chemical_formula_weight         324.49
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2009-09-15
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.457(1)
_cell_length_b                   13.107(1)
_cell_length_c                   28.175(1)
_cell_measurement_reflns_used    4298
_cell_measurement_temperature    150.0(1)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      0.998
_cell_volume                     3492.4(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150.0(1)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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     0.71069
_diffrn_reflns_av_R_equivalents  0.0596
_diffrn_reflns_av_sigmaI/netI    0.0678
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            20672
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.75
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9984
_exptl_absorpt_correction_T_min  0.9795
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.234
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.221
_refine_diff_density_min         -0.181
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     212
_refine_ls_number_reflns         3983
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0932
_refine_ls_R_factor_gt           0.0449
_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^)+(0.0534P)^2^+0.1581P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1000
_refine_ls_wR_factor_ref         0.1134
_reflns_number_gt                2480
_reflns_number_total             3983
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo901971f_si_003.cif
_cod_data_source_block           issam_18-93
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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      'Pbca     '
_cod_database_code               4025096