Coupling-Isomerization-N,S-Ketene Acetal-Addition Sequences- A Three-Component Approach to Highly Fluorescent Pyrrolo[2,3-b]pyridines, [1,8]Naphthyridines, and Pyrido[2,3-b]azepines
Oana G. Schramm; Née Dediu; Thomas Oeser; Thomas J. J. Müller; Journal of Organic Chemistry 71 (2006) 3494–3500; doi:10.1021/jo0602726

data_4021669
_publ_contact_author_address
;
Organisch-Chemisches Institut
Universit\"at Heidelberg
Im Neuenheimer Feld 270
D-69120 Heidelberg
;
_publ_contact_author_email       thomas.oeser@oci.uni-heidelberg.de
_publ_contact_author_fax         '+49 6221 544205'
_publ_contact_author_name        'Dr. Thomas Oeser'
_publ_contact_author_phone       '+49 6221 548482'
_publ_section_title
;
 Coupling-Isomerization-N,S-Ketene Acetal-Addition Sequences-
 A Three-Component Approach to Highly Fluorescent
 Pyrrolo[2,3-b]pyridines, [1,8]Naphthyridines, and
 Pyrido[2,3-b]azepines
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              3494
_journal_page_last               3500
_journal_paper_doi               10.1021/jo0602726
_journal_volume                  71
_journal_year                    2006
_chemical_formula_sum            'C28 H23 N3 O'
_chemical_formula_weight         417.49
_chemical_name_systematic
;
4-[2-(4-Phenoxy-phenyl)-8-methyl-5,6,7,8-tetrahydro-
[1,8]naphthyridin-4-yl]-benzonitrile
;
_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                90.0
_cell_angle_beta                 93.896(7)
_cell_angle_gamma                90.0
_cell_formula_units_Z            4
_cell_length_a                   11.415(3)
_cell_length_b                   10.313(3)
_cell_length_c                   18.660(5)
_cell_measurement_reflns_used    2886
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      25.72
_cell_measurement_theta_min      2.19
_cell_volume                     2191.6(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0447
_diffrn_reflns_av_sigmaI/netI    0.0343
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            12766
_diffrn_reflns_theta_full        21.97
_diffrn_reflns_theta_max         21.97
_diffrn_reflns_theta_min         2.19
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.9938
_exptl_absorpt_correction_T_min  0.9770
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.265
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.217
_refine_diff_density_min         -0.139
_refine_diff_density_rms         0.029
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     381
_refine_ls_number_reflns         2643
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0551
_refine_ls_R_factor_gt           0.0387
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0585P)^2^+0.2261P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0937
_refine_ls_wR_factor_ref         0.1018
_reflns_number_gt                2061
_reflns_number_total             2643
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0602726si20060215_034005_4.cif
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4021669