Construction of Unique Eight- or Nine-Membered Polyheterocyclic Systems via Multicomponent Reaction of l-Proline, Alkyl Propiolate, and Isatin.
Cao, Jun; Yang, Fan; Sun, Jing; Huang, Ying; Yan, Chao-Guo; The Journal of organic chemistry 84 (2019) 622–635; doi:10.1021/acs.joc.8b02457

data_4035982
_publ_section_title
;
 Construction of Unique Eight- or Nine-Membered Polyheterocyclic Systems
 via Multicomponent Reaction of l-Proline, Alkyl Propiolate, and Isatin.
;
_journal_issue                   2
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              622
_journal_page_last               635
_journal_paper_doi               10.1021/acs.joc.8b02457
_journal_volume                  84
_journal_year                    2019
_chemical_formula_moiety         'C25 H30 N2 O5'
_chemical_formula_sum            'C25 H30 N2 O5'
_chemical_formula_weight         438.51
_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
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 104.502(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.852(3)
_cell_length_b                   9.520(2)
_cell_length_c                   21.501(6)
_cell_measurement_reflns_used    5720
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      22.26
_cell_measurement_theta_min      2.29
_cell_volume                     2348.7(10)
_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-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0584
_diffrn_reflns_av_unetI/netI     0.0658
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -27
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_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.503
_diffrn_reflns_theta_min         2.289
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.984
_exptl_absorpt_correction_T_min  0.978
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.240
_exptl_crystal_description       block
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.260
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.180
_refine_diff_density_max         0.271
_refine_diff_density_min         -0.161
_refine_diff_density_rms         0.035
_refine_ls_extinction_coef       0.009(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     294
_refine_ls_number_reflns         5363
_refine_ls_number_restraints     46
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.1504
_refine_ls_R_factor_gt           0.0639
_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^)+(0.0800P)^2^+0.6215P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1535
_refine_ls_wR_factor_ref         0.1876
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2674
_reflns_number_total             5363
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b02457_si_002.cif
_cod_data_source_block           1d
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4035982
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.978
_shelx_estimated_absorpt_t_max   0.985
_shelx_res_checksum              67492
_shelx_hkl_checksum              21315