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_7221033
_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            'C23 H17 Cl N2'
_chemical_formula_weight         356.84
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.212(3)
_cell_length_b                   16.673(2)
_cell_length_c                   5.6278(9)
_cell_measurement_reflns_used    2545
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      64.85
_cell_measurement_theta_min      3.51
_cell_volume                     1802.7(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_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  0.0450
_diffrn_reflns_av_sigmaI/netI    0.0629
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            9274
_diffrn_reflns_theta_full        64.85
_diffrn_reflns_theta_max         64.85
_diffrn_reflns_theta_min         3.51
_exptl_absorpt_coefficient_mu    1.923
_exptl_absorpt_correction_T_max  0.6661
_exptl_absorpt_correction_T_min  0.6450
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Brown
_exptl_crystal_density_diffrn    1.315
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Rectangle
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.125
_refine_diff_density_min         -0.228
_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   0.01(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         2545
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0441
_refine_ls_R_factor_gt           0.0366
_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^)+(0.0454P)^2^+0.1846P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0968
_refine_ls_wR_factor_ref         0.1049
_reflns_number_gt                2233
_reflns_number_total             2545
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra10030e2.cif
_cod_data_source_block           pi3
_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 3271 2015-04-21 07:52:19Z andrius 
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_cod_original_sg_symbol_H-M      Pna21
_cod_database_code               7221033