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_1555319
_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_absolute_configuration 'CHOOSE rm ad rmad syn or unk'
_chemical_formula_moiety         'C22 H17 As'
_chemical_formula_sum            'C22 H17 As'
_chemical_formula_weight         356.30
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 115.2163(10)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            2
_cell_length_a                   12.2262(4)
_cell_length_b                   6.03311(18)
_cell_length_c                   12.5465(5)
_cell_measurement_reflns_used    7173
_cell_measurement_temperature    296
_cell_measurement_theta_max      27.45
_cell_measurement_theta_min      3.07
_cell_volume                     837.26(5)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0263
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            8291
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         3.071
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.027
_exptl_absorpt_correction_T_max  0.817
_exptl_absorpt_correction_T_min  0.588
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.413
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             364.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.855
_refine_diff_density_min         -0.292
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  1666 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.983(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.205
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3060
_refine_ls_R_factor_gt           0.0246
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     'w = 1/[1.0000\s(Fo^2^)]/(4Fo^2^)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0409
_reflns_number_gt                3060
_reflns_number_total             3761
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ol5b02416_si_002.cif
_cod_data_source_block           5a
_cod_original_cell_volume        837.27(5)
_cod_database_code               1555319