Development of a Concise Synthesis of (+)-Ingenol.
McKerrall, Steven J.; Jørgensen, Lars; Kuttruff, Christian A.; Ungeheuer, Felix; Baran, Phil S.; Journal of the American Chemical Society 136 (2014) 5799–; doi:10.1021/ja501881p

data_4121658
_publ_section_title
;
 Development of a Concise Synthesis of (+)-Ingenol.
;
_journal_issue                   15
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5799
_journal_paper_doi               10.1021/ja501881p
_journal_volume                  136
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C29 H52 O5 Si2'
_chemical_formula_sum            'C29 H52 O5 Si2'
_chemical_formula_weight         536.88
_chemical_name_systematic        LEO-1312-035-F11-13
_space_group_crystal_system      tetragonal
_space_group_IT_number           78
_space_group_name_Hall           'P 4cw'
_space_group_name_H-M_alt        'P 43'
_symmetry_space_group_name_Hall  'P 4cw'
_symmetry_space_group_name_H-M   'P 43'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2013-10-11
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2013.09.17 svn.r2790 for OlexSys, GUI svn.r4601)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.5311(3)
_cell_length_b                   11.5311(3)
_cell_length_c                   23.9069(11)
_cell_measurement_reflns_used    9989
_cell_measurement_temperature    100
_cell_measurement_theta_max      25.253
_cell_measurement_theta_min      2.451
_cell_volume                     3178.81(19)
_computing_cell_refinement       'Bruker Saint'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker Saint'
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
SHELXL, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution
;
SHELX, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_diffrn_ambient_temperature      100
_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 0.996
_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_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0545
_diffrn_reflns_av_unetI/netI     0.0453
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            30888
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.376
_diffrn_reflns_theta_min         1.766
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_type              'Bruker TXS'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.145
_exptl_absorpt_correction_T_max  0.0916
_exptl_absorpt_correction_T_min  0.0665
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.1550 before and 0.0657 after correction.
The Ratio of minimum to maximum transmission is 0.7260.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'Clear colorless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colorless
_exptl_crystal_density_diffrn    1.122
_exptl_crystal_density_method    'Not measured'
_exptl_crystal_description       ribbon
_exptl_crystal_F_000             1176
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.177
_refine_diff_density_min         -0.203
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details
;
 Flack x determined using 2253 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   0.00(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     346
_refine_ls_number_reflns         5776
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0397
_refine_ls_R_factor_gt           0.0331
_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^)+(0.0339P)^2^+0.1306P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0740
_refine_ls_wR_factor_ref         0.0758
_reflns_Friedel_coverage         0.940
_reflns_Friedel_fraction_full    0.997
_reflns_Friedel_fraction_max     0.985
_reflns_number_gt                5139
_reflns_number_total             5776
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja501881p_si_006.cif
_cod_data_source_block           Baran328
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_absolute_configuration' value 'AD' changed to 'ad'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_diffrn_radiation_probe' value 'X-ray' changed to
'x-ray' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 

 Adding full bibliography for 4121658--4121664.cif.
;
_cod_original_cell_volume        3178.8(2)
_cod_database_code               4121658
_shelxl_version_number           2013-3
_shelx_estimated_absorpt_t_max   0.994
_shelx_estimated_absorpt_t_min   0.955
_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
 O5-H5
 0.9 with sigma of 0.02
 O4-H4
 0.9 with sigma of 0.02
3.a Ternary CH refined with riding coordinates:
 C1(H1), C3(H3), C5(H5A), C7(H7), C8(H8), C9(H9)
3.b Secondary CH2 refined with riding coordinates:
 C4(H4A,H4B), C12(H12A,H12B)
3.c Aromatic/amide H refined with riding coordinates:
 C14(H14)
3.d Idealised Me refined as rotating group:
 C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C18(H18A,H18B,H18C), C19(H19A,H19B,
 H19C), C20(H20A,H20B,H20C), C21(H21A,H21B,H21C), C22(H22A,H22B,H22C), C23(H23A,
 H23B,H23C), C24(H24A,H24B,H24C), C25(H25A,H25B,H25C), C27(H27A,H27B,H27C),
 C28(H28A,H28B,H28C), C29(H29A,H29B,H29C)
;
_shelx_res_checksum              18357
_shelx_hkl_checksum              78994