Metal-free nitro-carbocyclization of 1,6-enynes with tBuONO and TEMPO
Xin-Hua Hao; Pin Gao; Xian-Rong Song; Yi-Feng Qiu; Dong-Po Jin; Xue-Yuan Liu; Yong-Min Liang; Chem.Commun. 51 (2015) 6839–; doi:10.1039/C5cc00872G

data_7116923
_publ_section_title
;
 Metal-free nitro-carbocyclization of 1,6-enynes with tBuONO and TEMPO
;
_journal_name_full               Chem.Commun.
_journal_page_first              6839
_journal_paper_doi               10.1039/C5cc00872G
_journal_volume                  51
_journal_year                    2015
_chemical_formula_moiety         'C21 H22 N2 O4 S'
_chemical_formula_sum            'C21 H22 N2 O4 S'
_chemical_formula_weight         398.47
_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'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2014-04-02
_audit_creation_method
;
Olex2 1.2
(compiled 2014.03.20 svn.r2914 for OlexSys, GUI svn.r4816)
;
_audit_update_record
;
2014-11-28 deposited with the CCDC.
2015-03-12 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 109.860(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.1530(8)
_cell_length_b                   17.8912(8)
_cell_length_c                   9.1269(6)
_cell_measurement_reflns_used    2552
_cell_measurement_temperature    294.50(16)
_cell_measurement_theta_max      23.9600
_cell_measurement_theta_min      3.4740
_cell_volume                     2020.0(2)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      294.50(16)
_diffrn_detector_area_resol_mean 16.0733
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      -0.0069718000
_diffrn_orient_matrix_UB_12      0.0324463000
_diffrn_orient_matrix_UB_13      0.0401978000
_diffrn_orient_matrix_UB_21      0.0503826000
_diffrn_orient_matrix_UB_22      0.0139390000
_diffrn_orient_matrix_UB_23      -0.0004888000
_diffrn_orient_matrix_UB_31      -0.0265026000
_diffrn_orient_matrix_UB_32      0.0179972000
_diffrn_orient_matrix_UB_33      -0.0721965000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71000
_diffrn_reflns_av_R_equivalents  0.0494
_diffrn_reflns_av_unetI/netI     0.0558
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            9828
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         3.29
_diffrn_source                   'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.189
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.86506
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear light yellow'
_exptl_crystal_density_diffrn    1.310
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.210
_refine_diff_density_min         -0.246
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     255
_refine_ls_number_reflns         3862
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0862
_refine_ls_R_factor_gt           0.0547
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0475P)^2^+0.4496P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1222
_refine_ls_wR_factor_ref         0.1455
_reflns_number_gt                2574
_reflns_number_total             3862
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc00872g2.cif
_cod_data_source_block           gaoping0401
_cod_database_code               7116923
_reflns_odcompleteness_completeness 97.03
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_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 C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C2(H2)
2.b Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C5(H5A,H5B)
2.c Aromatic/amide H refined with riding coordinates:
 C10(H10), C11(H11), C12(H12), C13(H13), C14(H14), C16(H16), C17(H17),
 C19(H19), C20(H20)
2.d X=CH2 refined with riding coordinates:
 C7(H7A,H7B)
2.e Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C21(H21A,H21B,H21C)
;