Rhodium-catalyzed C-H activation/annulation of amidines with 4-diazoisochroman-3-imines toward isochromeno[3,4-c]isoquinolines.
Xu, Shengbo; Qiao, Shanshan; Sun, Song; Yu, Jin-Tao; Cheng, Jiang; Organic & biomolecular chemistry 17 (2019) 8417–8424; doi:10.1039/c9ob01612k

data_7157055
_publ_section_title
;
 Rhodium-catalyzed C-H activation/annulation of amidines with
 4-diazoisochroman-3-imines toward isochromeno[3,4-c]isoquinolines.
;
_journal_issue                   36
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              8417
_journal_page_last               8424
_journal_paper_doi               10.1039/c9ob01612k
_journal_volume                  17
_journal_year                    2019
_chemical_formula_sum            'C24 H22 N2 O'
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_space_group_crystal_system      trigonal
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_space_group_name_Hall           '-R 3'
_space_group_name_H-M_alt        'R -3 :H'
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2019-04-22 deposited with the CCDC.    2019-08-29 downloaded from the CCDC.
;
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_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      193(2)
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_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           GaK\a
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_diffrn_reflns_Laue_measured_fraction_full 0.991
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_diffrn_reflns_limit_h_max       25
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_diffrn_reflns_point_group_measured_fraction_full 0.991
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_diffrn_reflns_theta_max         52.986
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_exptl_absorpt_coefficient_mu    0.395
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_exptl_crystal_description       block
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_exptl_crystal_size_max          0.190
_exptl_crystal_size_mid          0.170
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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^)+(0.1082P)^2^+5.9995P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1626
_refine_ls_wR_factor_ref         0.1796
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_reflns_number_gt                2465
_reflns_number_total             3188
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ob01612k2.cif
_cod_data_source_block           20190408ZH_CZ_0m_a
_cod_depositor_comments          'Adding full bibliography for 7157055.cif.'
_cod_original_cell_volume        8184.6(18)
_cod_database_code               7157055
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.929
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_shelx_res_checksum              3357