Functionalized Heteroarylpyridazines and Pyridazin-3(2H)-one Derivatives via Palladium-Catalyzed Cross-Coupling Methodology
Kate M. Clapham; Andrei S. Batsanov; Ryan D. R. Greenwood; Martin R. Bryce; Amy E. Smith; Brian Tarbit; Journal of Organic Chemistry 73 (2008) 2176–2181; doi:10.1021/jo702420q

data_4023332
_publ_contact_author             'Andrei S.Batsanov'
_publ_contact_author_email       a.s.batsanov@durham.ac.uk
_publ_section_title
;
 Functionalized Heteroarylpyridazines and Pyridazin-3(2H)-one
 Derivatives via Palladium-Catalyzed Cross-Coupling Methodology
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2176
_journal_page_last               2181
_journal_paper_doi               10.1021/jo702420q
_journal_volume                  73
_journal_year                    2008
_chemical_formula_moiety         'C17 H15 N3 O2'
_chemical_formula_sum            'C17 H15 N3 O2'
_chemical_formula_weight         293.32
_chemical_melting_point          403.6(14)
_chemical_name_systematic
; 3-methoxy-6-(4-methoxyphenyl)-4-(pyridin-4-yl)-
pyridazine  
;
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.73(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.0434(5)
_cell_length_b                   21.962(3)
_cell_length_c                   15.6265(16)
_cell_measurement_reflns_used    5641
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      28.94
_cell_measurement_theta_min      2.27
_cell_volume                     1387.5(3)
_computing_cell_refinement       'SAINT version 6.45A (Bruker, 2003)'
_computing_data_collection       'SMART version 5.049 (Bruker, 1998)'
_computing_data_reduction        'SAINT version 6.45A (Bruker, 2003)'
_computing_molecular_graphics    'SHELXTL version 6.14 (Bruker, 2003)'
_computing_publication_material  'SHELXTL version 6.14 (Bruker, 2003)'
_computing_structure_refinement  'SHELXTL version 6.14 (Bruker, 2003)'
_computing_structure_solution    'SHELXTL version 6.14 (Bruker, 2003)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Siemens SMART 1K CCD area detector'
_diffrn_measurement_method       '\w 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  0.0321
_diffrn_reflns_av_sigmaI/netI    0.0315
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            13751
_diffrn_reflns_theta_full        29.02
_diffrn_reflns_theta_max         29.02
_diffrn_reflns_theta_min         1.60
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9113
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS 2.10 (Bruker, 2003), R(int)=0.057 before correction'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.404
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.318
_refine_diff_density_min         -0.216
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     259
_refine_ls_number_reflns         3691
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0614
_refine_ls_R_factor_gt           0.0421
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0513P)^2^+0.3876P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1003
_refine_ls_wR_factor_ref         0.1089
_reflns_number_gt                2816
_reflns_number_total             3691
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo702420q-File001_5.cif
_cod_data_source_block           24
_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 

The following automatic conversions were performed:

'_chemical_melting_point' value '403.6(1.4)' was changed to
'403.6(14)' - precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/n '
_cod_database_code               4023332