Lewis Acid Catalyzed Dehydrogenative Coupling of Tertiary Propargylic Alcohols with Quinoline N-Oxides.
Han, Ya-Ping; Li, Xue-Song; Zhu, Xin-Yu; Li, Ming; Zhou, Li; Song, Xian-Rong; Liang, Yong-Min; The Journal of organic chemistry 82 (2017) 1697–1704; doi:10.1021/acs.joc.6b02882

data_4032314
_publ_section_title
;
 Lewis Acid Catalyzed Dehydrogenative Coupling of Tertiary Propargylic
 Alcohols with Quinoline N-Oxides.
;
_journal_issue                   3
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              1697
_journal_page_last               1704
_journal_paper_doi               10.1021/acs.joc.6b02882
_journal_volume                  82
_journal_year                    2017
_chemical_formula_moiety         'C31 H23 N O2'
_chemical_formula_sum            'C31 H23 N O2'
_chemical_formula_weight         441.50
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2016-08-14
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_cell_angle_alpha                116.548(2)
_cell_angle_beta                 101.481(3)
_cell_angle_gamma                102.641(3)
_cell_formula_units_Z            2
_cell_length_a                   10.648(3)
_cell_length_b                   11.0701(17)
_cell_length_c                   11.8977(18)
_cell_measurement_reflns_used    1468
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      23.55
_cell_measurement_theta_min      2.90
_cell_volume                     1151.2(4)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_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_temperature      296.15
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0197
_diffrn_reflns_av_unetI/netI     0.0454
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6376
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.988
_diffrn_reflns_theta_full        25.500
_diffrn_reflns_theta_max         26.019
_diffrn_reflns_theta_min         2.035
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6690
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0878 before and 0.0349 after correction.
The Ratio of minimum to maximum transmission is 0.8971.
The \l/2 correction factor is 0.0015.
;
_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    1.274
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.153
_refine_diff_density_min         -0.221
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     308
_refine_ls_number_reflns         4484
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0839
_refine_ls_R_factor_gt           0.0482
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0705P)^2^+0.1491P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1196
_refine_ls_wR_factor_ref         0.1534
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2829
_reflns_number_total             4484
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo6b02882_si_002.cif
_cod_data_source_block           1
_cod_original_cell_volume        1151.1(4)
_cod_database_code               4032314
_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.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C7(H7), C8(H8), C13(H13), C14(H14), C16(H16),
 C17(H17), C21(H21), C22(H22), C23(H23), C24(H24), C25(H25), C26(H26), C28(H28),
  C29(H29), C30(H30), C31(H31)
2.b Idealised Me refined as rotating group:
 C18(H18A,H18B,H18C)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'