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_4130772
_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_absolute_configuration ad
_chemical_formula_moiety         'C19 H28 O3'
_chemical_formula_sum            'C19 H28 O3'
_chemical_formula_weight         304.41
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2016-05-12
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_cell_angle_alpha                90
_cell_angle_beta                 100.887(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.6715(3)
_cell_length_b                   10.3828(4)
_cell_length_c                   9.4244(4)
_cell_measurement_reflns_used    9878
_cell_measurement_temperature    125
_cell_measurement_theta_max      69.996
_cell_measurement_theta_min      4.779
_cell_volume                     833.25(6)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2016)'
_computing_data_collection       'APEX3 v2016.1-0 (Bruker, 2016)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      125
_diffrn_detector                 'Bruker Platinum135 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 1.000
_diffrn_measurement_device       'Fixed Chi Three-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Platinum135'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Double Bounce Multilayer Mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0509
_diffrn_reflns_av_unetI/netI     0.0280
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            20559
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        68.000
_diffrn_reflns_theta_max         70.076
_diffrn_reflns_theta_min         4.778
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_type              'Rigaku MicroMax-007HF'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.633
_exptl_absorpt_correction_T_max  0.6617
_exptl_absorpt_correction_T_min  0.5449
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1377 before and 0.0594 after correction.
The Ratio of minimum to maximum transmission is 0.8235.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            Colorless
_exptl_crystal_colour_primary    Colorless
_exptl_crystal_density_diffrn    1.213
_exptl_crystal_description       Block
_exptl_crystal_F_000             332
_exptl_crystal_size_max          0.253
_exptl_crystal_size_mid          0.217
_exptl_crystal_size_min          0.209
_refine_diff_density_max         0.194
_refine_diff_density_min         -0.209
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details
;
 Flack x determined using 1369 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.01(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     207
_refine_ls_number_reflns         3160
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0319
_refine_ls_R_factor_gt           0.0299
_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^)+(0.0385P)^2^+0.1467P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0727
_refine_ls_wR_factor_ref         0.0739
_reflns_Friedel_coverage         0.883
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                3033
_reflns_number_total             3160
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja6b06623_si_013.cif
_cod_data_source_block           Baran578
_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               4130772
_shelx_estimated_absorpt_t_max   0.879
_shelx_estimated_absorpt_t_min   0.856
_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. Restrained distances
 O1-H1
 0.95 with sigma of 0.02
3.a Ternary CH refined with riding coordinates:
 C1(H1A), C10(H10)
3.b Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C9(H9A,H9B), C15(H15A,H15B), C16(H16A,H16B), C17(H17A,H17B)
3.c Aromatic/amide H refined with riding coordinates:
 C4(H4), C5(H5), C12(H12)
3.d Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C), C14(H14A,H14B,H14C), C18(H18A,H18B,H18C), C19(H19A,H19B,
 H19C)
;
_shelx_res_checksum              22148
_shelx_hkl_checksum              2517
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'