From Tetrahydrofurans to Tetrahydrobenzo[ d]oxepines via a Regioselective Control of Alkyne Insertion in Rhodium-Catalyzed Arylative Cyclization.
Selmani, Aymane; Serpier, Fabien; Darses, Sylvain; The Journal of organic chemistry 84 (2019) 4566–4574; doi:10.1021/acs.joc.9b00442

data_4034259
_publ_section_title
;
 From Tetrahydrofurans to Tetrahydrobenzo[ d]oxepines via a Regioselective
 Control of Alkyne Insertion in Rhodium-Catalyzed Arylative Cyclization.
;
_journal_issue                   7
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              4566
_journal_page_last               4574
_journal_paper_doi               10.1021/acs.joc.9b00442
_journal_volume                  84
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C27 H25 N O5'
_chemical_formula_sum            'C27 H25 N O5'
_chemical_formula_weight         443.48
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2017/1
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.4815(2)
_cell_length_b                   12.4851(2)
_cell_length_c                   24.3339(5)
_cell_measurement_reflns_used    6560
_cell_measurement_temperature    200(1)
_cell_measurement_theta_max      66.61
_cell_measurement_theta_min      5.08
_cell_volume                     2272.96(8)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'SXGRAPH (Farrugia, 2012)'
_computing_publication_material  'WinGX (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      200(1)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_source         micro-source
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0197
_diffrn_reflns_av_unetI/netI     0.0213
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            11200
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        66.500
_diffrn_reflns_theta_max         66.641
_diffrn_reflns_theta_min         6.188
_exptl_absorpt_coefficient_mu    0.728
_exptl_absorpt_correction_T_max  0.996
_exptl_absorpt_correction_T_min  0.877
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
; 
 SADABS : Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.296
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.121
_refine_diff_density_min         -0.173
_refine_diff_density_rms         0.030
_refine_ls_abs_structure_details
;
 Flack x determined using 1582 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.06(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     335
_refine_ls_number_reflns         4003
_refine_ls_number_restraints     32
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0323
_refine_ls_R_factor_gt           0.0306
_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^)+(0.0518P)^2^+0.1491P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0822
_refine_ls_wR_factor_ref         0.0840
_reflns_Friedel_coverage         0.734
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.997
_reflns_number_gt                3805
_reflns_number_total             4003
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo9b00442_si_003.cif
_cod_data_source_block           as1433
_cod_database_code               4034259
_shelx_shelxl_version_number     2017/1
_shelx_res_checksum              55195
_shelx_hkl_checksum              73666