Complexity-Enhancing Acid-Promoted Rearrangement of Tricyclic Products of Tandem Ugi 4CC/Intramolecular Diels-Alder Reaction
Alexei Ilyin; Volodymyr Kysil; Mikhail Krasavin; Irina Kurashvili; Alexandre V. Ivachtchenko; Journal of Organic Chemistry 71 (2006) 9544–9547; doi:10.1021/jo061825f

data_4022169
_publ_section_title
;
 Complexity-Enhancing Acid-Promoted Rearrangement of Tricyclic
 Products of Tandem Ugi 4CC/Intramolecular Diels-Alder Reaction
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              9544
_journal_page_last               9547
_journal_paper_doi               10.1021/jo061825f
_journal_volume                  71
_journal_year                    2006
_chemical_formula_moiety         '2(C26 H26 N2 O5), C H4 O'
_chemical_formula_sum            'C53 H56 N4 O11'
_chemical_formula_weight         925.02
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   mixed
_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            8
_cell_length_a                   12.3013(17)
_cell_length_b                   25.064(4)
_cell_length_c                   30.495(4)
_cell_measurement_reflns_used    1118
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      13.7
_cell_measurement_theta_min      2.8
_cell_volume                     9402(2)
_computing_cell_refinement       'SAINTPlus (Bruker, 1998a)'
_computing_data_collection       'SMART (Bruker, 1998b)'
_computing_data_reduction        'SAINTPlus (Bruker, 1998a)'
_computing_molecular_graphics    'SHELXTL ver. 5.1 (Sheldrick, 1998b)'
_computing_publication_material  'SHELXTL ver. 5.1 (Sheldrick, 1998b)'
_computing_structure_refinement  'SHELXTL ver. 5.1 (Sheldrick, 1998b)'
_computing_structure_solution    'SHELXTL ver. 5.1 (Sheldrick, 1998b)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0952
_diffrn_reflns_av_sigmaI/netI    0.1741
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            67056
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.62
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.307
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             3920
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.642
_refine_diff_density_min         -0.546
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.801
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     555
_refine_ls_number_reflns         9235
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.801
_refine_ls_R_factor_all          0.2863
_refine_ls_R_factor_gt           0.0641
_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^)+(0.0020P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0746
_refine_ls_wR_factor_ref         0.0941
_reflns_number_gt                2046
_reflns_number_total             9235
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo061825fsi20060920_034634.cif
_cod_depositor_comments
;
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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               4022169