Orthogonal Strapping of o-Haloaryl Ynones with Pyrazolones: A One-Pot, Domino Process toward Spiropyrazolones
Beesu, Mallesh; Mehta, Goverdhan; The Journal of Organic Chemistry  (2020) –; doi:10.1021/acs.joc.0c02087

data_4038883
_publ_section_title
;
 Orthogonal Strapping of o-Haloaryl Ynones with Pyrazolones: A One-Pot,
 Domino Process toward Spiropyrazolones
;
_journal_name_full               'The Journal of Organic Chemistry'
_journal_paper_doi               10.1021/acs.joc.0c02087
_journal_year                    2020
_chemical_formula_moiety         'C24 H20 N4 O2'
_chemical_formula_sum            'C24 H20 N4 O2'
_chemical_formula_weight         396.44
_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'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2020-02-12
_audit_creation_method
;
Olex2 1.3-ac4
(compiled 2018.12.18 svn.r3554 for Rigaku Oxford Diffraction, GUI svn.r1)
;
_cell_angle_alpha                90
_cell_angle_beta                 92.857(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.919(2)
_cell_length_b                   34.155(9)
_cell_length_c                   7.5867(19)
_cell_measurement_reflns_used    9881
_cell_measurement_temperature    299(2)
_cell_measurement_theta_max      25.90
_cell_measurement_theta_min      2.39
_cell_volume                     2049.5(9)
_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  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      298.92
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0509
_diffrn_reflns_av_unetI/netI     0.0230
_diffrn_reflns_Laue_measured_fraction_full 0.985
_diffrn_reflns_Laue_measured_fraction_max 0.985
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       40
_diffrn_reflns_limit_k_min       -40
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            33997
_diffrn_reflns_point_group_measured_fraction_full 0.985
_diffrn_reflns_point_group_measured_fraction_max 0.985
_diffrn_reflns_theta_full        25.024
_diffrn_reflns_theta_max         25.024
_diffrn_reflns_theta_min         2.385
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6703
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.1759 before and 0.0591 after correction. The Ratio of minimum to maximum transmission is 0.8992. The \l/2 correction factor is 0.00150.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.285
_exptl_crystal_description       needle
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.165
_refine_diff_density_min         -0.178
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.150
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         3567
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.150
_refine_ls_R_factor_all          0.0621
_refine_ls_R_factor_gt           0.0508
_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^)+(0.0469P)^2^+1.0042P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1243
_refine_ls_wR_factor_ref         0.1304
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3021
_reflns_number_total             3567
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo0c02087_si_004.cif
_cod_data_source_block           gm_a
_cod_original_cell_volume        2049.5(10)
_cod_database_code               4038883
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.987
_shelx_estimated_absorpt_t_min   0.983
_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:
 C00A(H00A), C00D(H00D), C00I(H00I), C00J(H00J), C00M(H00M), C00N(H00N),
 C00O(H00O), C00Q(H00Q), C00S(H00S), C00T(H00T), C00U(H00U)
2.b Idealised Me refined as rotating group:
 C2(H2A,H2B,H2C), C00P(H00B,H00C,H00E), C00R(H00F,H00G,H00H)
;
_shelx_res_checksum              32309
_shelx_hkl_checksum              50941
_olex2_submission_special_instructions 'No special instructions were received'