Regioselective [3 + 2]-annulation of hydrazonyl chlorides with 1,3-dicarbonyl compounds for assembling of polysubstituted pyrazoles.
Liu, Kun; Shang, Xinye; Cheng, Yuyu; Chang, Xiaoyong; Li, Pengfei; Li, Wenjun; Organic & biomolecular chemistry 16 (2018) 7811–7814; doi:10.1039/c8ob02352b

data_7156509
_publ_section_title
;
 Regioselective [3 + 2]-annulation of hydrazonyl chlorides with
 1,3-dicarbonyl compounds for assembling of polysubstituted pyrazoles.
;
_journal_issue                   42
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              7811
_journal_page_last               7814
_journal_paper_doi               10.1039/c8ob02352b
_journal_volume                  16
_journal_year                    2018
_chemical_formula_moiety         'C18 H16 N2 O'
_chemical_formula_sum            'C18 H16 N2 O'
_chemical_formula_weight         276.33
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2017-12-18
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_audit_update_record
;
2018-09-12 deposited with the CCDC.
2018-10-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.952(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.2864(13)
_cell_length_b                   5.3688(5)
_cell_length_c                   19.4632(16)
_cell_measurement_reflns_used    9687
_cell_measurement_temperature    100
_cell_measurement_theta_max      27.45
_cell_measurement_theta_min      3.02
_cell_volume                     1411.9(2)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'Bruker PHOTO 100 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker PHOTO 100 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0460
_diffrn_reflns_av_unetI/netI     0.0400
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            17531
_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         27.519
_diffrn_reflns_theta_min         3.015
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.7008
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.1097 before and 0.0686 after correction. The Ratio of minimum to maximum transmission is 0.9399. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.300
_exptl_crystal_description       block
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.36
_refine_diff_density_max         0.316
_refine_diff_density_min         -0.216
_refine_diff_density_rms         0.053
_refine_ls_extinction_coef       0.021(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         3204
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0526
_refine_ls_R_factor_gt           0.0422
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0462P)^2^+0.6730P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1004
_refine_ls_wR_factor_ref         0.1067
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2698
_reflns_number_total             3204
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ob02352b2.cif
_cod_data_source_block           mo_cxy0266_0m
_cod_depositor_comments          'Adding full bibliography for 7156509.cif.'
_cod_database_code               7156509
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.971
_shelx_estimated_absorpt_t_min   0.966
_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 Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C6(H6), C14(H14), C15(H15), C16(H16),
 C17(H17), C18(H18)
2.b Idealised Me refined as rotating group:
 C7(H7A,H7B,H7C), C11(H11A,H11B,H11C)
;
_shelx_res_checksum              82810
_olex2_submission_special_instructions 'No special instructions were received'