Gold(i)-catalyzed 6-endo-dig azide-yne cyclization: efficient access to 2H-1,3-oxazines.
Lonca, Geoffroy Hervé; Tejo, Ciputra; Chan, Hui Ling; Chiba, Shunsuke; Gagosz, Fabien; Chemical communications (Cambridge, England) 53 (2017) 736–739; doi:10.1039/c6cc08397h

data_7119330
_publ_section_title
;
 Gold(i)-catalyzed 6-endo-dig azide-yne cyclization: efficient access to
 2H-1,3-oxazines.
;
_journal_issue                   4
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              736
_journal_page_last               739
_journal_paper_doi               10.1039/c6cc08397h
_journal_volume                  53
_journal_year                    2017
_chemical_formula_sum            'C16 H12 F N O2'
_chemical_formula_weight         269.27
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_update_record
;
2016-09-12 deposited with the CCDC.
2016-12-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.269(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.1739(3)
_cell_length_b                   11.0034(3)
_cell_length_c                   9.8232(3)
_cell_measurement_reflns_used    7451
_cell_measurement_temperature    103.(2)
_cell_measurement_theta_max      67.0772
_cell_measurement_theta_min      3.6308
_cell_volume                     1315.85(6)
_computing_cell_refinement       'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_data_collection       'APEX3 (Bruker AXS Inc., 2015)'
_computing_data_reduction        'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_molecular_graphics    'XP (Bruker AXS Inc., 2015)'
_computing_publication_material  'APEX3 (Bruker AXS Inc., 2015)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'XT, VERSION 2014/5'
_diffrn_ambient_temperature      103.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'Multilayer Mirror'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0756
_diffrn_reflns_av_unetI/netI     0.0516
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            11348
_diffrn_reflns_theta_full        67.48
_diffrn_reflns_theta_max         67.48
_diffrn_reflns_theta_min         3.63
_diffrn_source                   'Incoatec Microfocus Source'
_diffrn_source_type              'Bruker Kappa Duo APEX2'
_exptl_absorpt_coefficient_mu    0.828
_exptl_absorpt_correction_T_max  0.74
_exptl_absorpt_correction_T_min  0.45
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.359
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             560
_exptl_crystal_size_max          0.420
_exptl_crystal_size_mid          0.400
_exptl_crystal_size_min          0.390
_refine_diff_density_max         0.306
_refine_diff_density_min         -0.367
_refine_ls_extinction_coef       0.034(3)
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.093
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2324
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.0622
_refine_ls_R_factor_gt           0.0565
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0980P)^2^+0.1972P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1431
_refine_ls_wR_factor_ref         0.1508
_reflns_number_gt                2043
_reflns_number_total             2324
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6cc08397h2.cif
_cod_data_source_block           chiba406s
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-Scan' changed to
'multi-scan' 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 4268 2015-11-12 08:31:59Z antanas 
;
_cod_database_code               7119330
_shelx_res_checksum              50280