Various cyclization scaffolds by a truly Ugi 4-CR.
Sinha, Mantosh K.; Khoury, Kareem; Herdtweck, Eberhardt; Dömling, Alexander; Organic & biomolecular chemistry 11 (2013) 4792–4796; doi:10.1039/c3ob40523k

data_7152952
_publ_section_title
;
 Various cyclization scaffolds by a truly Ugi 4-CR.
;
_journal_issue                   29
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              4792
_journal_page_last               4796
_journal_paper_doi               10.1039/c3ob40523k
_journal_volume                  11
_journal_year                    2013
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C21 H29 N3 O3'
_chemical_formula_sum            'C21 H29 N3 O3'
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_symmetry_Int_Tables_number      29
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
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_cell_angle_beta                 90
_cell_angle_gamma                90
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_cell_length_b                   10.3325(3)
_cell_length_c                   18.7803(7)
_cell_measurement_reflns_used    9924
_cell_measurement_temperature    123(1)
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_cell_measurement_theta_min      1.97
_cell_volume                     2008.93(12)
_computing_cell_refinement       'SAINT (Bruker, 2008b)'
_computing_data_collection       'APEX II Control Software (Bruker, 2008a)'
_computing_data_reduction        'SAINT (Bruker, 2008b)'
_computing_molecular_graphics    'PLATON (Spek, 2010)'
_computing_publication_material  'PLATON (Spek, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1998)'
_computing_structure_solution    'SIR92 (Altomare, 1994)'
_diffrn_ambient_temperature      123(1)
_diffrn_detector                 ' CCD plate '
_diffrn_detector_area_resol_mean 16
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       ' \k-geometry diffractometer '
_diffrn_measurement_device_type  ' Bruker APEX-II CCD '
_diffrn_measurement_method       ' phi- and omega-rotation '
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode FR591'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0272
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_diffrn_reflns_limit_h_max       12
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_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            63328
_diffrn_reflns_theta_full        25.40
_diffrn_reflns_theta_max         25.40
_diffrn_reflns_theta_min         1.97
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6816
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker, 2008b'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.228
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    none
_exptl_crystal_description       plate
_exptl_crystal_F_000             800
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_exptl_crystal_size_mid          0.13
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_refine_diff_density_max         0.149
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
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_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0259
_refine_ls_R_factor_gt           0.0242
_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^)+(0.0354P)^2^+0.3238P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.0609
_refine_ls_wR_factor_ref         0.0624
_reflns_number_gt                3564
_reflns_number_total             3686
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c3ob40523k.txt
_cod_data_source_block           product_5
_cod_depositor_comments
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The following automatic conversions were performed:

'_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 'none' 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        2008.94(12)
_cod_database_code               7152952