A diastereodivergent synthetic strategy for the syntheses of communesin f and perophoramidine.
Han, Seo-Jung; Vogt, Florian; Krishnan, Shyam; May, Jeremy A.; Gatti, Michele; Virgil, Scott C.; Stoltz, Brian M.; Organic letters 16 (2014) 3316–3319; doi:10.1021/ol5013263

data_1516586
_publ_section_title
;
 A diastereodivergent synthetic strategy for the syntheses of communesin f
 and perophoramidine.
;
_journal_issue                   12
_journal_name_full               'Organic letters'
_journal_page_first              3316
_journal_page_last               3319
_journal_paper_doi               10.1021/ol5013263
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C34 H45 Br N2 O6 Si'
_chemical_formula_sum            'C34 H45 Br N2 O6 Si'
_chemical_formula_weight         685.72
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_audit_creation_date             2013-10-16
_audit_creation_method
;
Olex2 1.2
(compiled 2013.09.17 svn.r2790 for OlexSys, GUI svn.r4601),
 SHELXL-2013,
 and manual edit
;
_cell_angle_alpha                99.073(2)
_cell_angle_beta                 94.101(3)
_cell_angle_gamma                91.448(2)
_cell_formula_units_Z            2
_cell_length_a                   8.0482(4)
_cell_length_b                   14.1277(8)
_cell_length_c                   15.3665(8)
_cell_measurement_reflns_used    9950
_cell_measurement_temperature    100
_cell_measurement_theta_max      27.86
_cell_measurement_theta_min      2.54
_cell_volume                     1719.75(16)
_computing_cell_refinement       'SAINT V8.32B (Bruker-AXS, 2007)'
_computing_data_collection       'APEX2 2013.6-2 (Bruker-AXS, 2007)'
_computing_data_reduction        'SAINT V8.32B (Bruker-AXS, 2007)'
_computing_molecular_graphics    'DIAMOND 3 (Crystal Impact, 1999)'
_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.
 and SHELXTL (Bruker-AXS, 2007)
;
_computing_structure_refinement  'SHELXL-2013/2 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXT (Sheldrick, 2012)'
_diffrn_ambient_temperature      100
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.772
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0565
_diffrn_reflns_av_unetI/netI     0.0555
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.772
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            70933
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.772
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         35.323
_diffrn_reflns_theta_min         1.821
_diffrn_source_current           30
_diffrn_source_power             1.5
_diffrn_source_target            Mo
_diffrn_source_voltage           50
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.275
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8989
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.0558 before and 0.0498 after correction.
The Ratio of minimum to maximum transmission is 0.8989.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.324
_exptl_crystal_description       block
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.550
_refine_diff_density_min         -0.508
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.117
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     577
_refine_ls_number_reflns         11961
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.117
_refine_ls_R_factor_all          0.0754
_refine_ls_R_factor_gt           0.0402
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0400P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0805
_refine_ls_wR_factor_ref         0.0892
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8549
_reflns_number_total             11961
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol5013263_si_004.cif
_cod_data_source_block           a13146
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_source_target' value 'MO' changed to 'Mo' 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 1516586--1516587.cif.
;
_cod_database_code               1516586
_shelx_estimated_absorpt_t_max   0.872
_shelx_estimated_absorpt_t_min   0.749
_olex2_refinement_description
;
;