Catalyst-free one-pot domino reactions for selective synthesis of functionalized 2,8-oxazabicyclo[3.3.1]nonanes and 5H-indeno[1,2-b]pyridin-5-ones
Rao, Yin; Liu, Meilin; Wu, Lu; Yin, Guo-Dong; RSC Adv.  (2014) –; doi:10.1039/C4RA13166E

data_7218819
_publ_section_title
;
 Catalyst-free one-pot domino reactions for selective synthesis of
 functionalized 2,8-oxazabicyclo[3.3.1]nonanes and
 5H-indeno[1,2-b]pyridin-5-ones
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_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C4RA13166E
_journal_year                    2014
_chemical_formula_sum            'C23 H23 N O2'
_chemical_formula_weight         345.42
_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   geom
_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                   33.520(5)
_cell_length_b                   7.2362(10)
_cell_length_c                   15.699(2)
_cell_measurement_reflns_used    7045
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.26
_cell_measurement_theta_min      2.43
_cell_volume                     3807.9(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_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      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0518
_diffrn_reflns_av_sigmaI/netI    0.0468
_diffrn_reflns_limit_h_max       43
_diffrn_reflns_limit_h_min       -43
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            32705
_diffrn_reflns_theta_full        27.71
_diffrn_reflns_theta_max         27.71
_diffrn_reflns_theta_min         1.21
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  0.9924
_exptl_absorpt_correction_T_min  0.9886
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.205
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.162
_refine_diff_density_min         -0.178
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.1(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     479
_refine_ls_number_reflns         8432
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0753
_refine_ls_R_factor_gt           0.0496
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0527P)^2^+0.7595P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1132
_refine_ls_wR_factor_ref         0.1282
_reflns_number_gt                6197
_reflns_number_total             8432
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra13166e3.cif
_cod_data_source_block           e:\140427a\work\t
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2827 2014-09-09 07:05:25Z andrius 
;
_cod_original_sg_symbol_H-M      Pca2(1)
_cod_database_code               7218819