Dynamic stereoselective annulation via aldol-oxa-cyclization cascade reaction to afford spirooxindole pyran polycycles
Muhammad Sohail; Fujie Tanaka; Communications Chemistry 2 (2019) 73–; doi:10.1038/s42004-019-0177-5

data_1552074
_publ_section_title
;
 Dynamic stereoselective annulation via aldol-oxa-cyclization cascade
 reaction to afford spirooxindole pyran polycycles
;
_journal_name_full               'Communications Chemistry'
_journal_page_first              73
_journal_paper_doi               10.1038/s42004-019-0177-5
_journal_volume                  2
_journal_year                    2019
_chemical_formula_moiety         'C36 H35 N O6'
_chemical_formula_sum            'C36 H35 N O6'
_chemical_formula_weight         577.68
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 111.8503(12)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            8
_cell_length_a                   23.2194(2)
_cell_length_b                   13.32390(11)
_cell_length_c                   20.5843(2)
_cell_measurement_reflns_used    35621
_cell_measurement_temperature    200
_cell_measurement_theta_max      77.33
_cell_measurement_theta_min      2.10
_cell_volume                     5910.73(10)
_computing_cell_refinement       'CrysAlisPro 1.171.39.35c (Rigaku OD, 2017)'
_computing_data_collection       'CrysAlisPro 1.171.39.35c (Rigaku OD, 2017)'
_computing_data_reduction        'CrysAlisPro 1.171.39.35c (Rigaku OD, 2017)'
_computing_molecular_graphics    'CrystalStructure 4.2'
_computing_publication_material  'CrystalStructure 4.2 (Rigaku, 2017)'
_computing_structure_refinement  'SHELXL Version 2017/1 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT Version 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      200
_diffrn_detector_area_resol_mean 5.811
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku XtaLAB PRO MM007'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0306
_diffrn_reflns_av_unetI/netI     0.0205
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            67843
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         74.490
_diffrn_reflns_theta_min         3.901
_diffrn_standards_interval_count .
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.713
_exptl_absorpt_correction_T_max  0.973
_exptl_absorpt_correction_T_min  0.826
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.35c (Rigaku Oxford Diffraction, 2017)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.298
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2448.00
_exptl_crystal_size_max          0.175
_exptl_crystal_size_mid          0.125
_exptl_crystal_size_min          0.038
_refine_diff_density_max         0.77
_refine_diff_density_min         -0.41
_refine_ls_extinction_coef       0.00029(4)
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     780
_refine_ls_number_reflns         12072
_refine_ls_number_restraints     9
_refine_ls_R_factor_all          0.0470
_refine_ls_R_factor_gt           0.0430
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0578P)^2^+2.0917P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1160
_refine_ls_wR_factor_ref         0.1194
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                10811
_reflns_number_total             12072
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            42004_2019_177_MOESM3_ESM.cif
_cod_data_source_block           SX17109R
_cod_database_code               1552074
_shelx_res_checksum              23934
_shelx_hkl_checksum              30118