Enantioselective total synthesis of (+)-reserpine.
Rajapaksa, Naomi S.; McGowan, Meredeth A.; Rienzo, Matthew; Jacobsen, Eric N.; Organic letters 15 (2013) 706–709; doi:10.1021/ol400046n

data_1508915
_publ_section_title
;
 Enantioselective total synthesis of (+)-reserpine.
;
_journal_issue                   3
_journal_name_full               'Organic letters'
_journal_page_first              706
_journal_page_last               709
_journal_paper_doi               10.1021/ol400046n
_journal_volume                  15
_journal_year                    2013
_chemical_absolute_configuration rm
_chemical_formula_sum            'C38 H44 N2 O8 S'
_chemical_formula_weight         688.81
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                71.577(2)
_cell_angle_beta                 89.697(2)
_cell_angle_gamma                69.957(2)
_cell_formula_units_Z            2
_cell_length_a                   10.5400(9)
_cell_length_b                   13.2962(12)
_cell_length_c                   13.7619(13)
_cell_measurement_reflns_used    5960
_cell_measurement_temperature    15(2)
_cell_measurement_theta_max      14.3
_cell_measurement_theta_min      2.22
_cell_volume                     1707.4(3)
_computing_cell_refinement       'SAINT 7.46A (Bruker-AXS, 2009)'
_computing_data_collection       'APEX2 v2009.3.0 (Bruker-AXS, 2009)'
_computing_data_reduction        'SAINT 7.46A (Bruker-AXS, 2009)'
_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      15(2)
_diffrn_measured_fraction_theta_full 0.952
_diffrn_measured_fraction_theta_max 0.952
_diffrn_measurement_device       'three-circle goniometer with fixed chi'
_diffrn_measurement_device_type
;
Bruker D8 goniometer with CCD area detector  
;
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  'diamond 1 1 1'
_diffrn_radiation_source         synchrotron
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.41328
_diffrn_reflns_av_R_equivalents  0.0751
_diffrn_reflns_av_sigmaI/netI    0.0768
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            35992
_diffrn_reflns_theta_full        14.60
_diffrn_reflns_theta_max         14.60
_diffrn_reflns_theta_min         0.91
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.9991
_exptl_absorpt_correction_T_min  0.9984
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.340
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             732
_exptl_crystal_size_max          0.02
_exptl_crystal_size_mid          0.01
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.278
_refine_diff_density_min         -0.337
_refine_diff_density_rms         0.055
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.28(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     887
_refine_ls_number_reflns         11719
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0571
_refine_ls_R_factor_gt           0.0447
_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^)+(0.0427P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0954
_refine_ls_wR_factor_ref         0.1015
_reflns_number_gt                10083
_reflns_number_total             11719
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol400046n_si_002.cif
_cod_data_source_block           compound19
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 
;
_cod_original_sg_symbol_H-M      P1
_cod_database_code               1508915