Revised structure, total synthesis, and absolute configuration of kopeolin and kopeolone.
Miquet, Stéphanie; Brémond, Paul; Ayela, Benjamin; Marque, Sylvain R. A.; Audran, Gérard; The Journal of organic chemistry 79 (2014) 2268–2273; doi:10.1021/jo402572b

data_4029109
_publ_section_title
;
 Revised structure, total synthesis, and absolute configuration of
 kopeolin and kopeolone.
;
_journal_issue                   5
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              2268
_journal_page_last               2273
_journal_paper_doi               10.1021/jo402572b
_journal_volume                  79
_journal_year                    2014
_chemical_formula_sum            'C12 H24 O4'
_chemical_formula_weight         232.31
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           20
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c 2'
_symmetry_space_group_name_H-M   'C 2 2 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   10.6070(3)
_cell_length_b                   12.5540(3)
_cell_length_c                   19.3150(7)
_cell_measurement_reflns_used    1430
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.35
_cell_measurement_theta_min      2.51
_cell_volume                     2571.99(13)
_computing_cell_refinement
'Denzo and Scalepak (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD (Brucker-Nonius, 1998)'
_computing_data_reduction
'Denzo and Scalepak (Otwinowski & Minor, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.954
_diffrn_measured_fraction_theta_max 0.954
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'Phi scan'
_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  0.027
_diffrn_reflns_av_sigmaI/netI    0.0203
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1422
_diffrn_reflns_theta_full        26.35
_diffrn_reflns_theta_max         26.35
_diffrn_reflns_theta_min         2.51
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.200
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          .4
_exptl_crystal_size_mid          .3
_exptl_crystal_size_min          .3
_refine_diff_density_max         0.220
_refine_diff_density_min         -0.223
_refine_diff_density_rms         0.081
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1.8(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.202
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         1422
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.202
_refine_ls_R_factor_all          0.0464
_refine_ls_R_factor_gt           0.0453
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0947P)^2^+0.5915P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1437
_refine_ls_wR_factor_ref         0.1456
_reflns_number_gt                1384
_reflns_number_total             1422
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo402572b_si_002.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_database_code               4029109