Concise routes to pyrazolo[1,5-a]pyridin-3-yl pyridazin-3-ones
Johnston, Karen A.; Allcock, Robert W.; Jiang, Zhong; Collier, Ian D.; Blakli, Haakon; Rosair, Georgina M.; Bailey, Patrick D.; Morgan, Keith M.; Kohno, Yasushi; Adams, David R.; Organic & Biomolecular Chemistry 6 (2008) 175–186; doi:10.1039/b713638b

data_7150806
_publ_section_title
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 Concise routes to pyrazolo[1,5-a]pyridin-3-yl pyridazin-3-ones
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_journal_issue                   1
_journal_name_full               'Organic &amp;  Biomolecular Chemistry'
_journal_page_first              175
_journal_page_last               186
_journal_paper_doi               10.1039/b713638b
_journal_volume                  6
_journal_year                    2008
_chemical_formula_moiety         'C21 H20 N4 O'
_chemical_formula_sum            'C21 H20 N4 O'
_chemical_formula_weight         344.41
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.980(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.9123(6)
_cell_length_b                   10.1067(7)
_cell_length_c                   19.3558(14)
_cell_measurement_reflns_used    2968
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.08
_cell_measurement_theta_min      2.91
_cell_volume                     1743.2(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0363
_diffrn_reflns_av_sigmaI/netI    0.0327
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            32329
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         30.21
_diffrn_reflns_theta_min         2.27
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.9530
_exptl_absorpt_correction_T_min  0.855
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2002)'
_exptl_crystal_colour            pale_yellow
_exptl_crystal_density_diffrn    1.312
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.62
_exptl_crystal_size_mid          0.60
_exptl_crystal_size_min          0.58
_refine_diff_density_max         0.353
_refine_diff_density_min         -0.242
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.993
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         5176
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.993
_refine_ls_R_factor_all          0.0751
_refine_ls_R_factor_gt           0.0415
_refine_ls_shift/su_max          0.022
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0218P)^2^+1.3995P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0823
_refine_ls_wR_factor_ref         0.1009
_reflns_number_gt                3635
_reflns_number_total             5176
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b713638b.txt
_cod_data_source_block           x81509_0mcmpd13
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7150806