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_1504187
_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 O5'
_chemical_formula_sum            'C17 H20 O5'
_chemical_formula_weight         304.33
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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
_cell_angle_beta                 101.178(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.1525(4)
_cell_length_b                   7.6684(2)
_cell_length_c                   12.0226(2)
_cell_measurement_reflns_used    9163
_cell_measurement_temperature    150
_cell_measurement_theta_max      72.13
_cell_measurement_theta_min      3.75
_cell_volume                     1641.81(6)
_computing_cell_refinement       'SAINT V7.34A(Bruker AXS, 2007)'
_computing_data_collection       'APEX2  (Bruker AXS, 2008)'
_computing_data_reduction        'SAINT V7.34A(Bruker AXS, 2007)'
_computing_molecular_graphics    'SHELXTL v6.12 (Bruker AXS, 2001)'
_computing_publication_material  'UdMX (Maris, 2004)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla et al., 2004)'
_diffrn_ambient_temperature      150
_diffrn_detector_area_resol_mean 5.5
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_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  0.000
_diffrn_reflns_av_sigmaI/netI    0.0184
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            11022
_diffrn_reflns_theta_full        72.38
_diffrn_reflns_theta_max         72.38
_diffrn_reflns_theta_min         3.75
_exptl_absorpt_coefficient_mu    0.746
_exptl_absorpt_correction_T_max  0.92
_exptl_absorpt_correction_T_min  0.85
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick, 1996)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.231
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.224
_refine_diff_density_min         -0.246
_refine_diff_density_rms         0.062
_refine_ls_abs_structure_details 'Flack H D (1983), 1374 Friedel Pairs'
_refine_ls_abs_structure_Flack   -0.01(17)
_refine_ls_extinction_coef       0.0018(3)
_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   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         3126
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0471
_refine_ls_R_factor_gt           0.0463
_refine_ls_shift/su_max          0.043
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0929P)^2^+0.1834P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1170
_refine_ls_wR_factor_ref         0.1179
_reflns_number_gt                3038
_reflns_number_total             3126
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ol901896c_si_004.cif
_cod_data_source_block           bent17
_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 2.4.2 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 (35
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 (72
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 (117 times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      C2
_cod_database_code               1504187