Controlled Synthesis of 1,3,5-Oxadiazin-2-ones and Oxazolones through Regioselective Iodocyclization of Ynamides.
Huang, Hai; Zhu, Xiaolin; He, Guangke; Liu, Qi; Fan, Junzhen; Zhu, Hongjun; Organic letters 17 (2015) 2510–2513; doi:10.1021/acs.orglett.5b01045

data_1519623
_publ_section_title
;
 Controlled Synthesis of 1,3,5-Oxadiazin-2-ones and Oxazolones through
 Regioselective Iodocyclization of Ynamides.
;
_journal_issue                   10
_journal_name_full               'Organic letters'
_journal_page_first              2510
_journal_page_last               2513
_journal_paper_doi               10.1021/acs.orglett.5b01045
_journal_volume                  17
_journal_year                    2015
_chemical_formula_sum            'C15 H10 I N O2'
_chemical_formula_weight         363.14
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 90.593(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   24.877(10)
_cell_length_b                   7.087(3)
_cell_length_c                   7.920(3)
_cell_measurement_reflns_used    3611
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.50
_cell_measurement_theta_min      2.99
_cell_volume                     1396.2(10)
_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, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_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  0.1311
_diffrn_reflns_av_sigmaI/netI    0.0932
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            3841
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    2.290
_exptl_absorpt_correction_T_max  0.7399
_exptl_absorpt_correction_T_min  0.5665
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.727
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.449
_refine_diff_density_min         -2.896
_refine_diff_density_rms         0.281
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.42(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.107
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         1834
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.113
_refine_ls_R_factor_all          0.0822
_refine_ls_R_factor_gt           0.0773
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1606P)^2^+0.5813P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2091
_refine_ls_wR_factor_ref         0.2199
_reflns_number_gt                1673
_reflns_number_total             1834
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol5b01045_si_003.cif
_cod_data_source_block           mo_20140904ngd_0m
_cod_depositor_comments
;
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/ACS/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 

 Adding full bibliography for 1519623.cif.
;
_cod_original_cell_volume        1396.3(10)
_cod_original_sg_symbol_H-M      'Cc   '
_cod_database_code               1519623