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_7103770
_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            'C25 H29 Cl4 N2 P Pd'
_chemical_formula_weight         636.67
_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                   8.7170(2)
_cell_length_b                   16.2360(3)
_cell_length_c                   18.9070(4)
_cell_measurement_temperature    293(2)
_cell_volume                     2675.89(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0245
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3452
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         2.49
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    1.170
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.580
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1288
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.36
_refine_diff_density_max         0.697
_refine_diff_density_min         -0.862
_refine_diff_density_rms         0.095
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.47(4)
_refine_ls_extinction_coef       0.0125(9)
_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   1.125
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         3452
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.125
_refine_ls_R_factor_all          0.0350
_refine_ls_R_factor_gt           0.0336
_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^)+(0.0462P)^2^+3.7698P] where P==(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0860
_refine_ls_wR_factor_ref         0.0872
_reflns_number_gt                3351
_reflns_number_total             3452
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b304308h.txt
_cod_data_source_block           compound_2a'
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               7103770