Synthesis of Silicon-Functionalized (Silylmethyl)silanes and α,ω-Dichlorocarbosilanes Using the TMOP (2,4,6-Trimethoxyphenyl) Protecting Group: (TMOP)Me2SiCH2Cl and (TMOP)2MeSiCH2Cl as Reagents To Introduce the ClMe2SiCH2, MeOMe2SiCH2, or Cl2MeSiCH2 Group by Nucleophilic Substitution at Silicon
Laskowski, Nadine; Reis, Eva-Maria; Kötzner, Lisa; Baus, Johannes A.; Burschka, Christian; Tacke, Reinhold; Organometallics 32 (2013) 3269–; doi:10.1021/om400190q

data_4089447
_publ_section_title
;
 Synthesis of Silicon-Functionalized (Silylmethyl)silanes and
 \a,\w-Dichlorocarbosilanes Using the TMOP (2,4,6-Trimethoxyphenyl)
 Protecting Group: (TMOP)Me2SiCH2Cl and (TMOP)2MeSiCH2Cl as Reagents To
 Introduce the ClMe2SiCH2, MeOMe2SiCH2, or Cl2MeSiCH2 Group by
 Nucleophilic Substitution at Silicon
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              3269
_journal_paper_doi               10.1021/om400190q
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C23 H36 O6 Si2'
_chemical_formula_sum            'C23 H36 O6 Si2'
_chemical_formula_weight         464.70
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2013-02-24 # Formatted by publCIF
;
_cell_angle_alpha                94.85(3)
_cell_angle_beta                 109.23(3)
_cell_angle_gamma                96.25(3)
_cell_formula_units_Z            4
_cell_length_a                   12.101(3)
_cell_length_b                   15.026(3)
_cell_length_c                   15.174(3)
_cell_measurement_reflns_used    5000
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      29.15
_cell_measurement_theta_min      2.5
_cell_volume                     2568.3(11)
_computing_cell_refinement       Stoe-IPDS
_computing_data_collection       Stoe-IPDS
_computing_data_reduction        Stoe-IPDS
_computing_molecular_graphics    ORTEP/POV-Ray
_computing_publication_material  Bruker-SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.934
_diffrn_measured_fraction_theta_max 0.934
_diffrn_measurement_device_type  Stoe-IPDS
_diffrn_measurement_method       Stoe-IPDS
_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  0.0425
_diffrn_reflns_av_sigmaI/netI    0.0362
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            28006
_diffrn_reflns_theta_full        26.02
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         2.66
_exptl_absorpt_coefficient_mu    0.172
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.8501
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.202
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          .55
_exptl_crystal_size_mid          .5
_exptl_crystal_size_min          .45
_refine_diff_density_max         0.454
_refine_diff_density_min         -0.313
_refine_diff_density_rms
'0.056 16 3 -6 -1.14 5.49 16 3 -7 6.51 7.58 16 3 -8 13.94 5.73 16 3 -8 17.48 7.95 -16 -3 8 13.62 5.74 16 2  7.38'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     579
_refine_ls_number_reflns         9447
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.087
_refine_ls_R_factor_all          0.0521
_refine_ls_R_factor_gt           0.0431
_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^)+(0.0651P)^2^+1.9900P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1342
_refine_ls_wR_factor_ref         0.1387
_reflns_number_gt                7857
_reflns_number_total             9447
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400190q_si_001.cif
_cod_data_source_block           las17c_multiscan
_cod_original_cell_volume        2568.2(10)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4089447