Pd-Catalyzed Arylation Reactions with Phenol Diazonium Salts: Application in the Synthesis of Diarylheptanoids
Bernd Schmidt; Frank Hölter; Alexandra Kelling; Uwe Schilde; Journal of Organic Chemistry 76 (2011) 3357–3365; doi:10.1021/jo2002787

data_4026263
_publ_contact_author_address
;
 University of Potsdam
 Institute of Chemistry
 Karl-Liebknecht-Str. 24-25
 D-14476 Potsdam
 Germany
;
_publ_contact_author_email       us@chem.uni-potsdam.de
_publ_contact_author_fax         +49-331-977-5153
_publ_contact_author_name        'Schilde, Uwe'
_publ_contact_author_phone       +49-331-977-5188
_publ_section_title
;
 Pd-Catalyzed Arylation Reactions with Phenol Diazonium Salts: Application
 in the Synthesis of Diarylheptanoids
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              3357
_journal_page_last               3365
_journal_paper_doi               10.1021/jo2002787
_journal_volume                  76
_journal_year                    2011
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C19 H20 O3'
_chemical_formula_sum            'C19 H20 O3'
_chemical_formula_weight         296.35
_chemical_melting_point          227(1)
_chemical_name_systematic
; 
 (3S,7R)-5,6-dehydro-de-O-methyl-centrolobine
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.9575(4)
_cell_length_b                   12.5868(10)
_cell_length_c                   16.0983(10)
_cell_measurement_reflns_used    12627
_cell_measurement_temperature    210(2)
_cell_measurement_theta_max      29.50
_cell_measurement_theta_min      1.53
_cell_volume                     1612.40(18)
_computing_cell_refinement       'X-AREA (Stoe, 2004)'
_computing_data_collection       'X-AREA (Stoe, 2004)'
_computing_data_reduction        'X-RED (Stoe, 2004)'
_computing_molecular_graphics
;
  DIAMOND (Brandenburg, 2005)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      210(2)
_diffrn_detector                 'image plate (34 cm diameter)'
_diffrn_detector_area_resol_mean 6.67
_diffrn_detector_type            STOE
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_details
;
 180 frames, exposure time per frame = 3 min
;
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'STOE IPDS 2'
_diffrn_measurement_method       '\w scan, 1.0 \%'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0413
_diffrn_reflns_av_sigmaI/netI    0.0318
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            16142
_diffrn_reflns_theta_full        29.53
_diffrn_reflns_theta_max         29.53
_diffrn_reflns_theta_min         2.05
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.9641
_exptl_absorpt_correction_T_min  0.9638
_exptl_absorpt_correction_type   sphere
_exptl_absorpt_process_details   'X-RED (Stoe, 2004)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.221
_exptl_crystal_description       block
_exptl_crystal_F_000             632
_exptl_crystal_size_max          1.0
_exptl_crystal_size_mid          0.6
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.199
_refine_diff_density_min         -0.135
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.4(8)
_refine_ls_extinction_coef       0.027(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     206
_refine_ls_number_reflns         4467
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0449
_refine_ls_R_factor_gt           0.0358
_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^)+(0.0565P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0898
_refine_ls_wR_factor_ref         0.0925
_reflns_number_gt                3613
_reflns_number_total             4467
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo2002787_si_001.cif
_cod_data_source_block           hoel3i
_cod_database_code               4026263