Synthesis of 2-Aryl/Heteroaryloxazolines from Nitriles under Metal- and Catalyst-Free Conditions and Evaluation of Their Antioxidant Activities.
Garg, Parul; Chaudhary, Shweta; Milton, Marilyn D.; The Journal of organic chemistry 79 (2014) 8668–8677; doi:10.1021/jo501430p

data_4029921
_publ_section_title
;
 Synthesis of 2-Aryl/Heteroaryloxazolines from Nitriles under Metal- and
 Catalyst-Free Conditions and Evaluation of Their Antioxidant Activities.
;
_journal_issue                   18
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              8668
_journal_page_last               8677
_journal_paper_doi               10.1021/jo501430p
_journal_volume                  79
_journal_year                    2014
_chemical_formula_moiety         'C18 H16 N2 O'
_chemical_formula_sum            'C18 H16 N2 O'
_chemical_formula_weight         276.33
_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                90.00
_cell_angle_beta                 94.37(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.594(6)
_cell_length_b                   11.315(7)
_cell_length_c                   13.443(7)
_cell_measurement_temperature    298(2)
_cell_volume                     1455.1(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.967
_diffrn_measured_fraction_theta_max 0.967
_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  0.0994
_diffrn_reflns_av_sigmaI/netI    0.0965
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            6479
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.10
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  0.9905
_exptl_absorpt_correction_T_min  0.9828
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.261
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.206
_refine_diff_density_min         -0.177
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.941
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         2477
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.941
_refine_ls_R_factor_all          0.1413
_refine_ls_R_factor_gt           0.0771
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1058P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1904
_refine_ls_wR_factor_ref         0.2395
_reflns_number_gt                1190
_reflns_number_total             2477
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo501430p_si_003.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
'Adding full bibliography for 4029919--4029921.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4029921