Total synthesis of oidiodendrolides and related norditerpene dilactones from a common precursor: metabolites CJ-14,445, LL-Z1271gamma, oidiolactones A, B, C, and D, and nagilactone F.
Hanessian, Stephen; Boyer, Nicolas; Reddy, Gone Jayapal; Deschênes-Simard, Benoît; Organic letters 11 (2009) 4640–4643; doi:10.1021/ol901896c

data_1504193
_publ_section_title
;
 Total synthesis of oidiodendrolides and related norditerpene dilactones
 from a common precursor: metabolites CJ-14,445, LL-Z1271gamma,
 oidiolactones A, B, C, and D, and nagilactone F.
;
_journal_issue                   20
_journal_name_full               'Organic letters'
_journal_page_first              4640
_journal_page_last               4643
_journal_paper_doi               10.1021/ol901896c
_journal_volume                  11
_journal_year                    2009
_chemical_absolute_configuration rmad
_chemical_compound_source        'Synthesized by the authors. See text'
_chemical_formula_moiety         'C17 H20 O6'
_chemical_formula_sum            'C17 H20 O6'
_chemical_formula_weight         320.33
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 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
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.0321(2)
_cell_length_b                   11.6526(3)
_cell_length_c                   11.9913(4)
_cell_measurement_reflns_used    8625
_cell_measurement_temperature    175
_cell_measurement_theta_max      72.15
_cell_measurement_theta_min      3.69
_cell_volume                     1541.51(7)
_computing_cell_refinement       'SAINT V7.60A(Bruker AXS, 2008)'
_computing_data_collection       'APEX2  (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT V7.60A(Bruker AXS, 2008)'
_computing_molecular_graphics    'SHELXTL v6.12 (Bruker AXS, 2001)'
_computing_publication_material  'UdMX (Maris, 2004)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      175
_diffrn_detector_area_resol_mean 5.5
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Smart 6000'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  'Montel 200 optics'
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.033
_diffrn_reflns_av_sigmaI/netI    0.0178
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            20154
_diffrn_reflns_theta_full        72.37
_diffrn_reflns_theta_max         72.37
_diffrn_reflns_theta_min         5.29
_exptl_absorpt_coefficient_mu    0.873
_exptl_absorpt_correction_T_max  0.9244
_exptl_absorpt_correction_T_min  0.8492
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick, 2007)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.380
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle-like
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.189
_refine_diff_density_min         -0.231
_refine_diff_density_rms         0.049
_refine_ls_abs_structure_details 'Flack H D (1983), 1279 Friedel Pairs'
_refine_ls_abs_structure_Flack   -0.10(18)
_refine_ls_extinction_coef       0.0094(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     238
_refine_ls_number_reflns         3035
_refine_ls_number_restraints     9
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0381
_refine_ls_R_factor_gt           0.0360
_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^)+(0.0615P)^2^+0.1621P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0945
_refine_ls_wR_factor_ref         0.0965
_reflns_number_gt                2867
_reflns_number_total             3035
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ol901896c_si_010.cif
_cod_data_source_block           bent37
_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 2.4.2 from 2011-04-26.

'_geom_bond_publ_flag'
value 'Y' changed to 'y' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26 (36
times).

'_geom_angle_publ_flag' value 'Y' changed to 'y' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.2 from 2011-04-26 (76
times).

'_geom_torsion_publ_flag' value 'Y' changed to 'y' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.2 from 2011-04-26 (128 times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               1504193