BF3·OEt2-AgSCF3 Mediated Trifluoromethylthiolation/Cascade Cyclization of Propynols: Synthesis of 4-((Trifluoromethyl)thio)-2H-chromene and 4-((Trifluoromethyl)thio)-1,2-dihydroquinoline Derivatives.
Qiu, Yi-Feng; Song, Xian-Rong; Li, Ming; Zhu, Xin-Yu; Wang, An-Qi; Yang, Fang; Han, Ya-Ping; Zhang, Heng-Rui; Jin, Dong-Po; Li, Ying-Xiu; Liang, Yong-Min; Organic letters 18 (2016) 1514–1517; doi:10.1021/acs.orglett.6b00065

data_1543014
_publ_section_title
;
 BF3&#x00B7;OEt2-AgSCF3 Mediated Trifluoromethylthiolation/Cascade
 Cyclization of Propynols: Synthesis of
 4-((Trifluoromethyl)thio)-2H-chromene and
 4-((Trifluoromethyl)thio)-1,2-dihydroquinoline Derivatives.
;
_journal_issue                   7
_journal_name_full               'Organic letters'
_journal_page_first              1514
_journal_page_last               1517
_journal_paper_doi               10.1021/acs.orglett.6b00065
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         'C24 H19 F3 O3 S, C H Cl3'
_chemical_formula_sum            'C25 H20 Cl3 F3 O3 S'
_chemical_formula_weight         563.82
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_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_date             2016-01-05
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 93.135(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3849(5)
_cell_length_b                   19.4808(11)
_cell_length_c                   14.2431(6)
_cell_measurement_reflns_used    1016
_cell_measurement_temperature    273.77(10)
_cell_measurement_theta_max      20.4990
_cell_measurement_theta_min      3.6410
_cell_volume                     2600.1(2)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_environment      air
_diffrn_ambient_temperature      273.77(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 16.0733
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_details
;
  1 omega   -9.00   88.20   1.2000    8.0000
omega____ theta____ kappa____ phi______ frames
    -       20.5854   77.0000    0.0000 81

  2 omega   35.00   62.60   1.2000    8.0000
omega____ theta____ kappa____ phi______ frames
    -       20.5854  178.0000   60.0000 23

  3 omega    5.00   75.80   1.2000    8.0000
omega____ theta____ kappa____ phi______ frames
    -       20.5854   57.0000  120.0000 59
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      -0.0126854000
_diffrn_orient_matrix_UB_12      0.0100533000
_diffrn_orient_matrix_UB_13      -0.0476121000
_diffrn_orient_matrix_UB_21      0.0745961000
_diffrn_orient_matrix_UB_22      0.0017047000
_diffrn_orient_matrix_UB_23      -0.0053345000
_diffrn_orient_matrix_UB_31      0.0000468000
_diffrn_orient_matrix_UB_32      -0.0349483000
_diffrn_orient_matrix_UB_33      -0.0139382000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0876
_diffrn_reflns_av_unetI/netI     0.1620
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9147
_diffrn_reflns_theta_full        26.02
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         3.39
_diffrn_source                   'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.480
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.28618
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.440
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.593
_refine_diff_density_min         -0.511
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.963
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     345
_refine_ls_number_reflns         5049
_refine_ls_number_restraints     42
_refine_ls_restrained_S_all      0.974
_refine_ls_R_factor_all          0.2045
_refine_ls_R_factor_gt           0.0827
_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^)+(0.1100P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1962
_refine_ls_wR_factor_ref         0.2749
_reflns_number_gt                1993
_reflns_number_total             5049
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol6b00065_si_003.cif
_cod_data_source_block           qiuyf_1231
_cod_database_code               1543014
_reflns_odcompleteness_completeness 98.03
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Uiso/Uaniso restraints and constraints
Uanis(F1) \\sim Ueq, Uanis(F2) \\sim Ueq, Uanis(F3) \\sim Ueq, Uanis(F2') \\sim
Ueq, Uanis(F1') \\sim Ueq, Uanis(F3') \\sim Ueq, Uanis(C24) \\sim Ueq: with
sigma of 0.01 and sigma for terminal atoms of 0.02
3. Others
 Fixed Sof: F1'(0.4) F2'(0.4) F3'(0.4) F3(0.6) F1(0.6) F2(0.6)
4.a Ternary CH refined with riding coordinates:
 C25(H25)
4.b Aromatic/amide H refined with riding coordinates:
 C1(H1), C4(H4), C5(H5), C6(H6), C7(H7), C11(H11), C12(H12), C13(H13),
 C14(H14), C18(H18), C19(H19), C20(H20), C21(H21)
4.c Idealised Me refined as rotating group:
 C16(H16A,H16B,H16C), C23(H23A,H23B,H23C)
;
_olex2_date_sample_data_collection 2015-12-31
_olex2_submission_special_instructions 'No special instructions were received'