Guided desaturation of unactivated aliphatics.
Voica, Ana-Florina; Mendoza, Abraham; Gutekunst, Will R.; Fraga, Jorge Otero; Baran, Phil S.; Nature chemistry 4 (2012) 629–635; doi:10.1038/nchem.1385

data_1508238
_publ_section_title
;
 Guided desaturation of unactivated aliphatics.
;
_journal_issue                   8
_journal_name_full               'Nature chemistry'
_journal_page_first              629
_journal_page_last               635
_journal_paper_doi               10.1038/nchem.1385
_journal_volume                  4
_journal_year                    2012
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C27 H35 N O2 S'
_chemical_formula_sum            'C27 H35 N O2 S'
_chemical_formula_weight         437.62
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.4983(3)
_cell_length_b                   9.7183(3)
_cell_length_c                   32.9845(12)
_cell_measurement_reflns_used    8707
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      65.00
_cell_measurement_theta_min      2.68
_cell_volume                     2403.60(15)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0462
_diffrn_reflns_av_sigmaI/netI    0.0573
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            9182
_diffrn_reflns_theta_full        65.00
_diffrn_reflns_theta_max         65.00
_diffrn_reflns_theta_min         2.68
_exptl_absorpt_coefficient_mu    1.365
_exptl_absorpt_correction_T_max  0.9105
_exptl_absorpt_correction_T_min  0.6615
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.209
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blade
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.379
_refine_diff_density_min         -0.275
_refine_diff_density_rms         0.052
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.053(15)
_refine_ls_extinction_coef       'not measured'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         3702
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0356
_refine_ls_R_factor_gt           0.0353
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0495P)^2^+0.4669P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0897
_refine_ls_wR_factor_ref         0.0901
_reflns_number_gt                3648
_reflns_number_total             3702
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            nchem.1385-s8.cif
_cod_data_source_block           baran206
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_absolute_configuration' value 'AD' changed to 'ad'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        2403.61(15)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1508238