Oxidative functionalization of alkylidenecyclopropanes and alkylidenecyclobutanes: a versatile platform to access nitrated cyclopropanes and cyclobutanes
Zeng, Yao-Fu; Wu, Jin-Bo; Chen, Jin-Tao; Guo, Yu; Wang, Zhen; Organic & Biomolecular Chemistry  (2022) –; doi:10.1039/D2OB01426B

data_7158838
_publ_section_title
;
 Oxidative functionalization of alkylidenecyclopropanes and
 alkylidenecyclobutanes: a versatile platform to access nitrated
 cyclopropanes and cyclobutanes
;
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_paper_doi               10.1039/D2OB01426B
_journal_year                    2022
_chemical_formula_moiety         'C16 H15 N O3'
_chemical_formula_sum            'C16 H15 N O3'
_chemical_formula_weight         269.29
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2022-04-08
_audit_creation_method
;
Olex2 1.5-beta
(compiled 2021.12.09 svn.r5202d8cf for OlexSys, GUI svn.r6439)
;
_audit_update_record
;
2022-05-22 deposited with the CCDC.	2022-08-22 downloaded from the CCDC.
;
_cell_angle_alpha                74.614(7)
_cell_angle_beta                 89.797(7)
_cell_angle_gamma                77.565(7)
_cell_formula_units_Z            4
_cell_length_a                   9.438(3)
_cell_length_b                   11.990(3)
_cell_length_c                   12.647(4)
_cell_measurement_reflns_used    6290
_cell_measurement_temperature    296.15
_cell_measurement_theta_max      22.72
_cell_measurement_theta_min      2.70
_cell_volume                     1345.3(7)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5-beta (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5-beta (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2017/1 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0972
_diffrn_reflns_av_unetI/netI     0.0712
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            44711
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.317
_diffrn_reflns_theta_min         1.673
_diffrn_source_current           30.0
_diffrn_source_power             1.5
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.7029
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0806 before and 0.0752 after correction.
The Ratio of minimum to maximum transmission is 0.9432.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.329
_exptl_crystal_description       block
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.196
_refine_diff_density_min         -0.182
_refine_diff_density_rms         0.040
_refine_ls_extinction_coef       0.025(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2017/1 (Sheldrick 2017)'
_refine_ls_goodness_of_fit_ref   0.987
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     364
_refine_ls_number_reflns         4868
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.987
_refine_ls_R_factor_all          0.1332
_refine_ls_R_factor_gt           0.0557
_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^)+(0.0712P)^2^+0.3986P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1203
_refine_ls_wR_factor_ref         0.1587
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2637
_reflns_number_total             4868
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ob01426b2.cif
_cod_data_source_block           z2
_cod_original_cell_volume        1345.4(7)
_cod_database_code               7158838
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.990
_shelx_estimated_absorpt_t_min   0.987
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All O(H) groups
2.a Secondary CH2 refined with riding coordinates:
 C15(H15A,H15B), C16(H16A,H16B), C31(H31A,H31B), C32(H32A,H32B)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C6(H6), C9(H9), C10(H10), C11(H11), C12(H12),
 C13(H13), C18(H18), C19(H19), C20(H20), C21(H21), C22(H22), C25(H25), C26(H26),
  C27(H27), C28(H28), C29(H29)
2.c Idealised tetrahedral OH refined as rotating group:
 O1(H1), O4(H4A)
;
_shelx_res_checksum              98327
_shelx_hkl_checksum              66436
_olex2_submission_special_instructions 'No special instructions were received'