Metal-free cyclization of unsaturated hydrazones for the divergent assembly of pyrazolones and pyrazolines.
Liu, Xiaobing; Zhou, Yao; Song, Qiuling; Chemical communications (Cambridge, England) 55 (2019) 8943–8946; doi:10.1039/c9cc04039k

data_7125768
_publ_section_title
;
 Metal-free cyclization of unsaturated hydrazones for the divergent
 assembly of pyrazolones and pyrazolines.
;
_journal_issue                   61
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              8943
_journal_page_last               8946
_journal_paper_doi               10.1039/c9cc04039k
_journal_volume                  55
_journal_year                    2019
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C18 H19 Cl N2'
_chemical_formula_sum            'C18 H19 Cl N2'
_chemical_formula_weight         298.80
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_block_doi                 10.5517/ccdc.csd.cc22bkww
_audit_creation_date             2019-03-12
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-05-17 deposited with the CCDC.	2019-07-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.2526(9)
_cell_length_b                   9.1103(10)
_cell_length_c                   21.0646(18)
_cell_measurement_reflns_used    1234
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      22.5310
_cell_measurement_theta_min      4.4140
_cell_volume                     1583.7(3)
_computing_cell_refinement       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.0606
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.878
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -38.00  21.00   1.00    6.00    --   15.49 -57.00-180.00   59
  2  \w     -8.00  18.00   1.00    6.00    --  -16.28 -99.00-180.00   26
  3  \w    -82.00 -15.00   1.00    6.00    --  -16.28 -57.00 120.00   67
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0661480000
_diffrn_orient_matrix_UB_12      -0.0496509000
_diffrn_orient_matrix_UB_13      -0.0006603000
_diffrn_orient_matrix_UB_21      -0.0545511000
_diffrn_orient_matrix_UB_22      0.0599405000
_diffrn_orient_matrix_UB_23      -0.0023798000
_diffrn_orient_matrix_UB_31      0.0052144000
_diffrn_orient_matrix_UB_32      -0.0032425000
_diffrn_orient_matrix_UB_33      -0.0335823000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0277
_diffrn_reflns_av_unetI/netI     0.0696
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.878
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            5349
_diffrn_reflns_point_group_measured_fraction_full 0.940
_diffrn_reflns_point_group_measured_fraction_max 0.783
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.259
_diffrn_reflns_theta_min         3.469
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.236
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.95110
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.41 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.253
_exptl_crystal_description       block
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.258
_refine_diff_density_min         -0.236
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details
;
 Flack x determined using 547 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.52(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         3381
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.1048
_refine_ls_R_factor_gt           0.0608
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0328P)^2^+0.0932P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0919
_refine_ls_wR_factor_ref         0.1062
_reflns_Friedel_coverage         0.557
_reflns_Friedel_fraction_full    0.861
_reflns_Friedel_fraction_max     0.655
_reflns_number_gt                2179
_reflns_number_total             3381
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc04039k2.cif
_cod_data_source_block           exp_6464
_cod_database_code               7125768
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.977
_shelx_estimated_absorpt_t_min   0.972
_reflns_odcompleteness_completeness 99.42
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C7(H7)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C5(H5), C6(H6), C14(H14), C15(H15), C16(H16), C17(H17),
 C18(H18)
2.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C10(H10A,H10B,H10C), C11(H11A,H11B,H11C)
;
_shelx_res_checksum              75099
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.044
_oxdiff_exptl_absorpt_empirical_full_min 0.954