Diastereoselective synthesis of spirocyclic isoxazolo[5,4-c]pyrrolo[2,1-a]isoquinolines via cascade double [3 + 2]cycloadditions.
Liu, Dan; Sun, Jing; Zhang, Yu; Yan, Chao-Guo; Organic & biomolecular chemistry 17 (2019) 8008–8013; doi:10.1039/c9ob01474h

data_7157019
_publ_section_title
;
 Diastereoselective synthesis of spirocyclic
 isoxazolo[5,4-c]pyrrolo[2,1-a]isoquinolines via cascade double [3 +
 2]cycloadditions.
;
_journal_issue                   34
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              8008
_journal_page_last               8013
_journal_paper_doi               10.1039/c9ob01474h
_journal_volume                  17
_journal_year                    2019
_chemical_formula_moiety         'C34 H25 N5 O5'
_chemical_formula_sum            'C34 H25 N5 O5'
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_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
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_audit_update_record
;
2019-07-01 deposited with the CCDC.    2019-08-07 downloaded from the CCDC.
;
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_cell_volume                     3010.5(4)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
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_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_source         'fine-focus sealed tube'
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1001P)^2^+2.1059P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1962
_refine_ls_wR_factor_ref         0.2196
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_reflns_number_gt                4276
_reflns_number_total             6907
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ob01474h2.cif
_cod_data_source_block           1l
_cod_depositor_comments
'Adding full bibliography for 7157016--7157029.cif.'
_cod_database_code               7157019
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.977
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_shelx_res_checksum              86638
_shelx_fab_checksum              93085