Constructing fused N-heterocycles from unprotected mesoionic N-heterocyclic olefins and organic azides <i>via</i> diazo transfer.
Liang, Qiuming; Hayashi, Kasumi; Zeng, Yimin; Jimenez-Santiago, Jose L; Song, Datong; Chemical communications (Cambridge, England) 57 (2021) 6137–6140; doi:10.1039/d1cc02245h

data_7128340
_publ_section_title
;
 Constructing fused N-heterocycles from unprotected mesoionic
 N-heterocyclic olefins and organic azides <i>via</i> diazo transfer.
;
_journal_issue                   50
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              6137
_journal_page_last               6140
_journal_paper_doi               10.1039/d1cc02245h
_journal_volume                  57
_journal_year                    2021
_chemical_formula_sum            'C25 H25 N3'
_chemical_formula_weight         367.48
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_space_group_name_Hall           '-C 2yc'
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_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2021-04-08 deposited with the CCDC.	2021-05-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
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_cell_measurement_temperature    150(2)
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_cell_measurement_theta_min      1.302
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_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      150(2)
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_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker Kappa Photon II'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_R_equivalents  0.1243
_diffrn_reflns_av_unetI/netI     0.1053
_diffrn_reflns_Laue_measured_fraction_full 0.997
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_diffrn_reflns_limit_k_max       28
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_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
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_diffrn_reflns_point_group_measured_fraction_full 0.997
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_diffrn_reflns_theta_max         27.588
_diffrn_reflns_theta_min         1.302
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_T_max  0.7409
_exptl_absorpt_correction_T_min  0.6652
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            purple
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_exptl_crystal_description       plate
_exptl_crystal_F_000             3136
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.405
_refine_diff_density_min         -0.380
_refine_diff_density_rms         0.114
_refine_ls_extinction_coef       0.0049(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     512
_refine_ls_number_reflns         9621
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.1502
_refine_ls_R_factor_gt           0.0840
_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^)+(0.0886P)^2^+13.3408P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2117
_refine_ls_wR_factor_ref         0.2441
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5312
_reflns_number_total             9621
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc02245h2.cif
_cod_data_source_block           wl461a
_cod_depositor_comments
'Adding full bibliography for 7128333--7128355.cif.'
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7128340
_shelx_shelxl_version_number     2016/6
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