Stereospecific isomerisation of P-heterocycles triggered by coordination: synthesis of the first P,N-chelates featuring a 2-phospholene moiety
Leca, François; Sauthier, Mathieu; Le Guennic, Boris; Lescop, Christophe; Toupet, Loic; Halet, Jean-François; Réau, Régis; Chemical Communications (Cambridge, United Kingdom)  (2003) 1774–1775; doi:10.1039/b304308h

data_7103769
_publ_section_title
;
 Stereospecific isomerisation of P-heterocycles triggered by coordination:
 synthesis of the first P,N-chelates featuring a 2-phospholene moiety
;
_journal_coden_ASTM              CHCOFS
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              1774
_journal_page_last               1775
_journal_paper_doi               10.1039/b304308h
_journal_year                    2003
_chemical_formula_sum            'C51 H48 Cl10 N4 P2 Pd2'
_chemical_formula_weight         1346.17
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 98.388(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.985(5)
_cell_length_b                   9.785(5)
_cell_length_c                   37.375(5)
_cell_measurement_temperature    293(2)
_cell_volume                     5422(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.829
_diffrn_measured_fraction_theta_max 0.829
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       none
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0200
_diffrn_reflns_av_sigmaI/netI    0.0417
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       48
_diffrn_reflns_limit_l_min       -48
_diffrn_reflns_number            6991
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.10
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    1.255
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.649
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2696
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.562
_refine_diff_density_min         -0.759
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     324
_refine_ls_number_reflns         5167
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0546
_refine_ls_R_factor_gt           0.0397
_refine_ls_shift/su_max          0.652
_refine_ls_shift/su_mean         0.020
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w==1/[\s^2^(Fo^2^)+(0.0294P)^2^+18.4878P] where P==(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0909
_refine_ls_wR_factor_ref         0.0977
_reflns_number_gt                4216
_reflns_number_total             5167
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b304308h.txt
_cod_data_source_block           compound_2a
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7103769