NXS, Morpholine, and HFIP: The Ideal Combination for Biomimetic Haliranium-Induced Polyene Cyclizations.
Arnold, Andreas M.; Pöthig, Alexander; Drees, Markus; Gulder, Tanja; Journal of the American Chemical Society 140 (2018) 4344–4353; doi:10.1021/jacs.8b00113

data_4132011
_publ_section_title
;
 NXS, Morpholine, and HFIP: The Ideal Combination for Biomimetic
 Haliranium-Induced Polyene Cyclizations.
;
_journal_issue                   12
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4344
_journal_page_last               4353
_journal_paper_doi               10.1021/jacs.8b00113
_journal_volume                  140
_journal_year                    2018
_chemical_formula_moiety         'C17 H21 I N2 O7'
_chemical_formula_sum            'C17 H21 I N2 O7'
_chemical_formula_weight         492.26
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_cell_angle_alpha                90
_cell_angle_beta                 114.684(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.1478(7)
_cell_length_b                   6.6216(3)
_cell_length_c                   17.9704(7)
_cell_measurement_reflns_used    7637
_cell_measurement_temperature    297
_cell_measurement_theta_max      25.1088
_cell_measurement_theta_min      2.2749
_cell_volume                     1962.14(14)
_computing_cell_refinement       'SAINT (Bruker, 2015)'
_computing_data_collection       'APEX III Control Software (Bruker, 2015)'
_computing_data_reduction        'SAINT (Bruker, 2015)'
_computing_molecular_graphics    'PLATON (Spek, 2011)'
_computing_publication_material  'PLATON (Spek, 2011), enCIFer (Allen, 2014)'
_computing_structure_refinement
'SHELXL2014 (Sheldrick, 2014), SHELXLE (Huebschle, 2011)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      297
_diffrn_detector                 ' CMOS plate '
_diffrn_detector_area_resol_mean 16
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       ' \k-geometry diffractometer '
_diffrn_measurement_device_type  ' Bruker Photon CMOS '
_diffrn_measurement_method       ' phi- and omega-rotation '
_diffrn_radiation_monochromator  'HELIOS optic'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'TXS rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0730
_diffrn_reflns_av_unetI/netI     0.0321
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            33831
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         25.40
_diffrn_reflns_theta_min         2.28
_exptl_absorpt_coefficient_mu    1.673
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6322
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2014/5, Bruker, 2014'
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_density_diffrn    1.666
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             984
_exptl_crystal_size_max          0.158
_exptl_crystal_size_mid          0.138
_exptl_crystal_size_min          0.063
_refine_diff_density_max         0.971
_refine_diff_density_min         -1.128
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     250
_refine_ls_number_reflns         3593
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0849
_refine_ls_R_factor_gt           0.0559
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'W=1/[\S^2^(FO^2^)+(0.0401P)^2^+8.9023P] WHERE P=(FO^2^+2FC^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1195
_refine_ls_wR_factor_ref         0.1348
_reflns_number_gt                2572
_reflns_number_total             3593
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja8b00113_si_005.cif
_cod_data_source_block           arnan4_2a-auto
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4132011
_shelx_res_checksum              65984
_shelx_hkl_checksum              45417