Metal-free [2 + 2 + 1] annulation of alkynes, nitriles, and oxygen atoms: iodine(III)-mediated synthesis of highly substituted oxazoles.
Saito, Akio; Taniguchi, Akihiro; Kambara, Yui; Hanzawa, Yuji; Organic letters 15 (2013) 2672–2675; doi:10.1021/ol4009816

data_1556156
_publ_section_title
;
 Metal-free [2 + 2 + 1] annulation of alkynes, nitriles, and oxygen atoms:
 iodine(III)-mediated synthesis of highly substituted oxazoles.
;
_journal_issue                   11
_journal_name_full               'Organic letters'
_journal_page_first              2672
_journal_page_last               2675
_journal_paper_doi               10.1021/ol4009816
_journal_volume                  15
_journal_year                    2013
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_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_beta                 82.917(3)
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_cell_measurement_theta_max      68.19
_cell_measurement_theta_min      3.64
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_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
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_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2013)'
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_computing_structure_solution    'Superflip (Palatinus, et al., 2007)'
_diffrn_ambient_temperature      90
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_diffrn_measured_fraction_theta_max 0.978
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_diffrn_radiation_type           'Cu K\a'
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0145P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
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