Diastereoselective Synthesis of Fused Oxazolidines and Highly Substituted 1H-pyrrolo [2, 1-c][1,4] oxazines via C–H functionalization
Pavankumar, C. S.; Harsha, Kachigere B.; Kempegowda, Mantelingu; K.S., Rangappa; RSC Adv.  (2015) –; doi:10.1039/C5RA10030E

data_7221034
_publ_section_title
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 Diastereoselective Synthesis of Fused Oxazolidines and Highly Substituted
 1H-pyrrolo [2, 1-c][1,4] oxazines via C--H functionalization
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_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA10030E
_journal_year                    2015
_chemical_formula_sum            'C25 H22 N2 O'
_chemical_formula_weight         366.45
_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
_audit_update_record
;
2015-04-23 deposited with the CCDC.
2015-07-03 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 98.057(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.2900(11)
_cell_length_b                   19.234(2)
_cell_length_c                   11.2656(14)
_cell_measurement_reflns_used    3281
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      64.81
_cell_measurement_theta_min      4.60
_cell_volume                     1993.1(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0581
_diffrn_reflns_av_sigmaI/netI    0.0543
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            17958
_diffrn_reflns_theta_full        64.81
_diffrn_reflns_theta_max         64.81
_diffrn_reflns_theta_min         4.60
_exptl_absorpt_coefficient_mu    0.584
_exptl_absorpt_correction_T_max  0.8725
_exptl_absorpt_correction_T_min  0.8629
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            White
_exptl_crystal_density_diffrn    1.221
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.150
_refine_diff_density_min         -0.165
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         3281
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0620
_refine_ls_R_factor_gt           0.0462
_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^)+(0.0791P)^2^+0.1665P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1309
_refine_ls_wR_factor_ref         0.1437
_reflns_number_gt                2494
_reflns_number_total             3281
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra10030e2.cif
_cod_data_source_block           psh1
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 3271 2015-04-21 07:52:19Z andrius 
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_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7221034