Spirocyclization of keto-ynesulfonamides promoted by quaternary ammonium salts
Beltran, Frédéric; Andna, Lucile; Miesch, Laurence; Organic Chemistry Frontiers 6 (2019) 373–; doi:10.1039/C8QO00937F

data_1554464
_publ_section_title
;
 Spirocyclization of keto-ynesulfonamides promoted by quaternary ammonium
 salts
;
_journal_issue                   3
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              373
_journal_paper_doi               10.1039/C8QO00937F
_journal_volume                  6
_journal_year                    2019
_chemical_formula_moiety         'C22 H25 N O3 S'
_chemical_formula_sum            'C22 H25 N O3 S'
_chemical_formula_weight         383.49
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2018-08-27 deposited with the CCDC.
2018-12-14 downloaded from the CCDC.
;
_cell_angle_alpha                85.307(2)
_cell_angle_beta                 84.129(2)
_cell_angle_gamma                85.070(2)
_cell_formula_units_Z            2
_cell_length_a                   7.6023(4)
_cell_length_b                   7.8229(4)
_cell_length_c                   16.7412(9)
_cell_measurement_reflns_used    10000
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.
_cell_measurement_theta_min      2.5
_cell_volume                     984.06(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.965
_diffrn_measured_fraction_theta_max 0.908
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0340
_diffrn_reflns_av_unetI/netI     0.0446
_diffrn_reflns_Laue_measured_fraction_full 0.965
_diffrn_reflns_Laue_measured_fraction_max 0.908
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            10272
_diffrn_reflns_point_group_measured_fraction_full 0.965
_diffrn_reflns_point_group_measured_fraction_max 0.908
_diffrn_reflns_theta_full        25.042
_diffrn_reflns_theta_max         30.098
_diffrn_reflns_theta_min         2.453
_exptl_absorpt_coefficient_mu    0.187
_exptl_absorpt_correction_T_max  0.989
_exptl_absorpt_correction_T_min  0.961
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.294
_exptl_crystal_density_meas      ?
_exptl_crystal_description       prism
_exptl_crystal_F_000             408
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.335
_refine_diff_density_min         -0.329
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.001
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     245
_refine_ls_number_reflns         5291
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.0583
_refine_ls_R_factor_gt           0.0456
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0534P)^2^+0.4338P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1183
_refine_ls_wR_factor_ref         0.1267
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4278
_reflns_number_total             5291
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8qo00937f3.cif
_cod_data_source_block           e4355A_a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'none' was changed to
'?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_database_code               1554464
_shelx_estimated_absorpt_t_min   0.978
_shelx_estimated_absorpt_t_max   0.982
_shelxl_version_number           2014/6
_shelx_res_checksum              9303
_shelx_hkl_checksum              69414