Practical three-component synthesis of crowded arenes with donor-acceptor substitution.
Fichtler, Robert; Neudörfl, Jörg-M; Jacobi von Wangelin, Axel; Organic & biomolecular chemistry 9 (2011) 7224–7236; doi:10.1039/c1ob05984j

data_7152017
_publ_section_title
;
 Practical three-component synthesis of crowded arenes with
 donor-acceptor substitution.
;
_journal_issue                   20
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              7224
_journal_page_last               7236
_journal_paper_doi               10.1039/c1ob05984j
_journal_volume                  9
_journal_year                    2011
_chemical_formula_moiety         'C18 H25 N O5'
_chemical_formula_sum            'C18 H25 N O5'
_chemical_formula_weight         335.39
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 98.713(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.3411(13)
_cell_length_b                   17.2794(17)
_cell_length_c                   12.2343(19)
_cell_measurement_reflns_used    7318
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.00
_cell_measurement_theta_min      2.06
_cell_volume                     1743.0(4)
_computing_cell_refinement       'Nonius DENZO (Otwinowski, Minor 1997)'
_computing_data_collection       'Nonius COLLECT'
_computing_data_reduction        'Nonius DENZO (Otwinowski, Minor 1997)'
_computing_molecular_graphics    'SCHAKAL99 (E. Keller 1999)'
_computing_publication_material  'PLATON (A. L. Spek 1980-2004)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.925
_diffrn_measured_fraction_theta_max 0.925
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       Phi/Omega-Scans
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0418
_diffrn_reflns_av_sigmaI/netI    0.0986
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7318
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.06
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             720
_exptl_crystal_size_max          .2
_exptl_crystal_size_mid          .2
_exptl_crystal_size_min          .2
_refine_diff_density_max         0.261
_refine_diff_density_min         -0.226
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.879
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     240
_refine_ls_number_reflns         3532
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.879
_refine_ls_R_factor_all          0.1036
_refine_ls_R_factor_gt           0.0456
_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^)+(0.0510P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0945
_refine_ls_wR_factor_ref         0.1098
_reflns_number_gt                1932
_reflns_number_total             3532
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ob05984j.txt
_cod_data_source_block           rob211
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7152017