11-Step Total Synthesis of (-)-Maoecrystal V.
Cernijenko, Artiom; Risgaard, Rune; Baran, Phil S.; Journal of the American Chemical Society 138 (2016) 9425–9428; doi:10.1021/jacs.6b06623

data_4130777
_publ_section_title
;
 11-Step Total Synthesis of (-)-Maoecrystal V.
;
_journal_issue                   30
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9425
_journal_page_last               9428
_journal_paper_doi               10.1021/jacs.6b06623
_journal_volume                  138
_journal_year                    2016
_chemical_formula_moiety         'C18 H24 O3'
_chemical_formula_sum            'C18 H24 O3'
_chemical_formula_weight         288.37
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2014-03-17
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2014.03.12 svn.r2899 for OlexSys, GUI svn.r4796)
;
_cell_angle_alpha                90
_cell_angle_beta                 95.398(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.1300(17)
_cell_length_b                   7.6658(14)
_cell_length_c                   21.832(5)
_cell_measurement_reflns_used    2028
_cell_measurement_temperature    100
_cell_measurement_theta_max      25.708
_cell_measurement_theta_min      2.783
_cell_volume                     1521.2(5)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'APEX2 v2013.6-2 (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XT (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'Bruker APEX-II CCD'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD Area Detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device       'Kappa Four-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker APEX II Ultra'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Double Bounce Multilayer Mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0727
_diffrn_reflns_av_unetI/netI     0.0716
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            10423
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         26.377
_diffrn_reflns_theta_min         2.241
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_type              'Bruker TXS'
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.2602
_exptl_absorpt_correction_T_min  0.2028
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.1220 before and 0.0849 after correction.
The Ratio of minimum to maximum transmission is 0.7794.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            Colorless
_exptl_crystal_colour_primary    Colorless
_exptl_crystal_density_diffrn    1.259
_exptl_crystal_description       Prism
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.203
_exptl_crystal_size_mid          0.114
_exptl_crystal_size_min          0.102
_refine_diff_density_max         0.306
_refine_diff_density_min         -0.295
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     197
_refine_ls_number_reflns         3086
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0693
_refine_ls_R_factor_gt           0.0510
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0511P)^2^+0.1586P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1171
_refine_ls_wR_factor_ref         0.1294
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2323
_reflns_number_total             3086
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja6b06623_si_005.cif
_cod_data_source_block           Baran395
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_database_code               4130777
_shelxl_version_number           2013-4
_shelx_estimated_absorpt_t_max   0.991
_shelx_estimated_absorpt_t_min   0.983
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C10(H10)
2.b Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C9(H9A,H9B), C11(H11A,H11B), C12(H12A,H12B), C17(H17A,H17B)
2.c Aromatic/amide H refined with riding coordinates:
 C4(H4), C5(H5), C13(H13)
2.d Idealised Me refined as rotating group:
 C15(H15A,H15B,H15C), C16(H16A,H16B,H16C), C18(H18A,H18B,H18C)
;
_shelx_res_checksum              63575
_shelx_hkl_checksum              44686