Novel Intramolecular Photocyclization of α-Arylthiophene Derivatives.
Arai, Noriyoshi; Tanaka, Koichiro; Ohkuma, Takeshi; Organic letters 14 (2012) 1488–1491; doi:10.1021/ol3002305

data_1507171
_publ_section_title
;
 Novel Intramolecular Photocyclization of \a-Arylthiophene Derivatives.
;
_journal_issue                   6
_journal_name_full               'Organic letters'
_journal_page_first              1488
_journal_page_last               1491
_journal_paper_doi               10.1021/ol3002305
_journal_volume                  14
_journal_year                    2012
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_symmetry_space_group_name_H-M   'P b c a'
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_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
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_cell_length_b                   13.8536(3)
_cell_length_c                   23.2107(7)
_cell_measurement_reflns_used    30855
_cell_measurement_temperature    213
_cell_measurement_theta_max      27.46
_cell_measurement_theta_min      3.00
_cell_volume                     2682.87(12)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.0'
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_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      213
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0243
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_diffrn_reflns_limit_l_min       -30
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_exptl_absorpt_coefficient_mu    0.226
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_exptl_absorpt_correction_T_min  0.840
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_exptl_crystal_colour            colorless
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_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
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_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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