Practical Synthesis and Properties of 2,5-Diarylarsoles.
Ishidoshiro, Makoto; Matsumura, Yoshimasa; Imoto, Hiroaki; Irie, Yasuyuki; Kato, Takuji; Watase, Seiji; Matsukawa, Kimihiro; Inagi, Shinsuke; Tomita, Ikuyoshi; Naka, Kensuke; Organic letters 17 (2015) 4854–4857; doi:10.1021/acs.orglett.5b02416

data_1555318
_publ_section_title
;
 Practical Synthesis and Properties of 2,5-Diarylarsoles.
;
_journal_issue                   19
_journal_name_full               'Organic letters'
_journal_page_first              4854
_journal_page_last               4857
_journal_paper_doi               10.1021/acs.orglett.5b02416
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C24 H21 As O2'
_chemical_formula_sum            'C24 H21 As O2'
_chemical_formula_weight         416.35
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   7.88163(18)
_cell_length_b                   16.2823(4)
_cell_length_c                   15.3253(3)
_cell_measurement_reflns_used    14074
_cell_measurement_temperature    296
_cell_measurement_theta_max      27.44
_cell_measurement_theta_min      3.17
_cell_volume                     1966.71(8)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2014)'
_computing_structure_refinement  'CRYSTALS (Carruthers, et al., 1999)'
_computing_structure_solution    'SIR92 (Altomare, et al., 1994)'
_diffrn_ambient_temperature      296
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0276
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            18387
_diffrn_reflns_theta_full        27.44
_diffrn_reflns_theta_max         27.44
_diffrn_reflns_theta_min         3.164
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.744
_exptl_absorpt_correction_T_max  0.705
_exptl_absorpt_correction_T_min  0.530
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.406
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             856.00
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.250
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.462
_refine_diff_density_min         -0.273
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     151
_refine_ls_number_reflns         1980
_refine_ls_R_factor_gt           0.0306
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[0.0015Fo^2^ + 1.0000\s(Fo^2^)]/(4Fo^2^)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0934
_reflns_number_gt                1980
_reflns_number_total             2322
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ol5b02416_si_004.cif
_cod_data_source_block           5b
_cod_original_cell_volume        1966.72(8)
_cod_database_code               1555318