4,5-Bis(dimethylamino)quinolines: Proton Sponge versus Azine Behavior.
Dyablo, Olga V.; Shmoilova, Elena A.; Pozharskii, Alexander F.; Ozeryanskii, Valery A.; Burov, Oleg N.; Starikova, Zoya A.; Organic letters 14 (2012) 4134–4137; doi:10.1021/ol301777s

data_1508341
_publ_section_title
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 4,5-Bis(dimethylamino)quinolines: Proton Sponge versus Azine Behavior.
;
_journal_issue                   16
_journal_name_full               'Organic letters'
_journal_page_first              4134
_journal_page_last               4137
_journal_paper_doi               10.1021/ol301777s
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C16 H25 N4, C6 H2 N3 O7'
_chemical_formula_sum            'C22 H27 N7 O7'
_chemical_formula_weight         501.51
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                   20.6019(14)
_cell_length_b                   7.0886(5)
_cell_length_c                   32.075(3)
_cell_measurement_reflns_used    999
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26
_cell_measurement_theta_min      3
_cell_volume                     4684.2(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX II'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'SHELXTL  (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL  (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL  (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX II CCD area detector'
_diffrn_measurement_method       '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  0.0772
_diffrn_reflns_av_sigmaI/netI    0.0615
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            41865
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    0.108
_exptl_absorpt_correction_T_max  0.981
_exptl_absorpt_correction_T_min  0.970
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.422
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2112
_exptl_crystal_size_max          0.450
_exptl_crystal_size_mid          0.230
_exptl_crystal_size_min          0.150
_refine_diff_density_max         0.229
_refine_diff_density_min         -0.249
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1.5(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     663
_refine_ls_number_reflns         9151
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0802
_refine_ls_R_factor_gt           0.0535
_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^)+(0.0237P)^2^+2.8297P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0911
_refine_ls_wR_factor_ref         0.1015
_reflns_number_gt                6903
_reflns_number_total             9151
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ol301777s_si_002.cif
_cod_data_source_block           fin
_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 
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_cod_database_code               1508341