Colorimetric discrimination between important alkaloid nuclei mediated by a bis-salphen chromophore.
Wezenberg, Sander J.; Escudero-Adán, Eduardo C; Benet-Buchholz, Jordi; Kleij, Arjan W.; Organic letters 10 (2008) 3311–3314; doi:10.1021/ol801167r

data_1504790
_publ_contact_author
;
    Dr. Benet-Buchholz, Jordi
    Institute of Chemical Research of Catalonia (ICIQ)    
    X-ray Diffraction Unit
    Avgda. Pa\=isos Catalans 16
    E-43007 Tarragona, Spain
;
_publ_section_title
;
 Colorimetric discrimination between important alkaloid nuclei mediated by
 a bis-salphen chromophore.
;
_journal_issue                   15
_journal_name_full               'Organic letters'
_journal_page_first              3311
_journal_page_last               3314
_journal_paper_doi               10.1021/ol801167r
_journal_volume                  10
_journal_year                    2008
_chemical_formula_sum            'C49 H52 N3 O2 Zn'
_chemical_formula_weight         780.31
_chemical_name_systematic
;

 ?

;
_space_group_IT_number           12
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_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                 110.731(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.0378(11)
_cell_length_b                   10.0623(6)
_cell_length_c                   19.4193(10)
_cell_measurement_reflns_used    6031
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      37.19
_cell_measurement_theta_min      3.34
_cell_volume                     4210.2(4)
_computing_cell_refinement       'Bruker-Nonius Apex v1.0-22 2002'
_computing_data_collection       'Bruker-Nonius Apex v1.0-22 2002'
_computing_data_reduction        'SAINT+ Version 7.06A Bruker-Nonius, 2004'
_computing_molecular_graphics    'Shelxtl Version 6.12 (Sheldrick, 2001)'
_computing_publication_material  'Shelxtl Version 6.12 (Sheldrick, 2001)'
_computing_structure_refinement  'Shelxtl Version 6.12 (Sheldrick, 2001)'
_computing_structure_solution    'Shelxtl Version 6.12 (Sheldrick, 2001)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 512
_diffrn_detector_type            '4K CCD area detector APEX II'
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'Kappa 4-axis goniometer bruker-nonius'
_diffrn_measurement_method
;
 Fullsphere data collection, phi and omega scans
;
_diffrn_measurement_specimen_support
'magnetic support whith 10 micron nylon fiber cryoloop'
_diffrn_radiation_monochromator  'Multilayer Montel 200 mirrors'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0818
_diffrn_reflns_av_sigmaI/netI    0.0787
_diffrn_reflns_limit_h_max       39
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            49365
_diffrn_reflns_theta_full        39.34
_diffrn_reflns_theta_max         39.34
_diffrn_reflns_theta_min         2.65
_diffrn_source                   'rotating anode X-ray tube'
_diffrn_source_current           90
_diffrn_source_power             50
_diffrn_source_size              '3 mm x 0.3 mm fine focus'
_diffrn_source_type              'Bruker-Nonius FR 591'
_exptl_absorpt_coefficient_mu    0.625
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.793610
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
 SADABS Version 2.1 2003 Bruker-Nonius
 Blessing, Acta Cryst. (1995) A51 33-38
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.231
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1652
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.01
_refine_diff_density_max         2.836
_refine_diff_density_min         -1.686
_refine_diff_density_rms         0.116
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     400
_refine_ls_number_reflns         12717
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0983
_refine_ls_R_factor_gt           0.0719
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0547P)^2^+12.8567P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1733
_refine_ls_wR_factor_ref         0.1849
_reflns_number_gt                9673
_reflns_number_total             12717
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol801167r-file005.cif
_cod_data_source_block           compound_2_12_awk264c2m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      C2/m
_cod_database_code               1504790