Alpha-Trifluoromethyl-(indol-3-yl)methanols as trifluoromethylated C3 1,3-dipoles: [3+2] cycloaddition for the synthesis of 1-(trifluoromethyl)-cyclopenta[b]indole alkaloids
Jinhuan Dong; Ling Pan; Xianxiu Xu; Qun Liu; Chem.Commun. 50 (2014) 14797–; doi:10.1039/C4cc05895J

data_7115977
_publ_section_title
;
 Alpha-Trifluoromethyl-(indol-3-yl)methanols as trifluoromethylated C3
 1,3-dipoles: [3+2] cycloaddition for the synthesis of
 1-(trifluoromethyl)-cyclopenta[b]indole alkaloids
;
_journal_name_full               Chem.Commun.
_journal_page_first              14797
_journal_paper_doi               10.1039/C4cc05895J
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         'C22 H18 F3 N O S2'
_chemical_formula_sum            'C22 H18 F3 N O S2'
_chemical_formula_weight         433.49
_chemical_name_systematic
;
 ?
;
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_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 106.072(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.958(2)
_cell_length_b                   14.937(3)
_cell_length_c                   14.131(3)
_cell_measurement_reflns_used    2968
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.1
_cell_measurement_theta_min      2.0
_cell_volume                     2019.7(7)
_computing_cell_refinement       CrysAlis
_computing_data_collection       'CrysAlis (Oxford Diffraction, 2006)'
_computing_data_reduction        CrysAlis
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Oxford Diffraction Gemini R Ultra'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0286
_diffrn_reflns_av_sigmaI/netI    0.0307
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
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_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.10
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    0.304
_exptl_absorpt_correction_T_max  0.970
_exptl_absorpt_correction_T_min  0.941
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellowish
_exptl_crystal_density_diffrn    1.426
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       bulk
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.330
_refine_diff_density_min         -0.272
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
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_refine_ls_number_parameters     262
_refine_ls_number_reflns         3986
_refine_ls_number_restraints     0
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_refine_ls_R_factor_all          0.0688
_refine_ls_R_factor_gt           0.0497
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0679P)^2^+0.6158P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1222
_refine_ls_wR_factor_ref         0.1342
_reflns_number_gt                2968
_reflns_number_total             3986
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c4cc05895j2.cif
_cod_data_source_block           3o_1
_cod_original_cell_volume        2019.6(7)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7115977
_cod_duplicate_entry 7115976