Facile dichloromethane activation and phosphine methylation. Isolation of unprecedented zwitterionic organozinc and organocobalt intermediates.
Pattacini, Roberto; Jie, Suyun; Braunstein, Pierre; Chemical communications (Cambridge, England) 34 (2009) 890–892; doi:10.1039/b817728g

data_7104187
_publ_section_title
;
 Facile dichloromethane activation and phosphine methylation. Isolation
 of unprecedented zwitterionic organozinc and organocobalt
 intermediates.
;
_journal_issue                   8
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              890
_journal_page_last               892
_journal_paper_doi               10.1039/b817728g
_journal_volume                  34
_journal_year                    2009
_chemical_formula_moiety         'C19 H18 P, C3 H7 Cl3 N O Zn'
_chemical_formula_sum            'C22 H25 Cl3 N O P Zn'
_chemical_formula_weight         522.12
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 98.461(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.2816(4)
_cell_length_b                   14.9139(4)
_cell_length_c                   17.8177(7)
_cell_measurement_reflns_used    8302
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      30.034
_cell_measurement_theta_min      0.998
_cell_volume                     2439.73(16)
_computing_cell_refinement       'Denzo (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo (Nonius B.V., 1998)'
_computing_molecular_graphics    'PLATON 98 (Spek, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0498
_diffrn_reflns_av_sigmaI/netI    0.0598
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            14722
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.79
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.414
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.421
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1072
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.347
_refine_diff_density_min         -0.567
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     265
_refine_ls_number_reflns         5894
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0669
_refine_ls_R_factor_gt           0.0373
_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^)+(0.0387P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0814
_refine_ls_wR_factor_ref         0.0897
_reflns_number_gt                4170
_reflns_number_total             5894
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b817728g.txt
_cod_data_source_block           '[(Ph3PMe)[ZnCl3(DMF)]'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7104187