Synthesis of azasilacyclopentenes and silanols via Huisgen cycloaddition-initiated C‒H bond insertion cascades
Shih, Jiun-Le; Jansone-Popova, Santa; Huynh, Christopher; May, Jeremy A.; Chem. Sci.  (2017) –; doi:10.1039/C7SC03130K

data_1546937
_publ_section_title
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 Synthesis of azasilacyclopentenes and silanols via Huisgen
 cycloaddition-initiated C--H bond insertion cascades
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_journal_name_full               'Chem. Sci.'
_journal_paper_doi               10.1039/C7SC03130K
_journal_year                    2017
_chemical_formula_sum            'C24 H27 N3 O2 Si'
_chemical_formula_weight         417.58
_chemical_name_systematic
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 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-07-17 deposited with the CCDC.
2017-08-21 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 106.670(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.0101(6)
_cell_length_b                   10.7484(5)
_cell_length_c                   16.4288(7)
_cell_measurement_reflns_used    8098
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      66.66
_cell_measurement_theta_min      4.98
_cell_volume                     2200.81(17)
_computing_cell_refinement       'SAINT v7.60A (Bruker-Nonius, 2013)'
_computing_data_collection       'APEX2 v2013.4-1 (Bruker-Nonius, 2013)'
_computing_data_reduction        'SAINT v7.60A (Bruker-Nonius, 2013)'
_computing_structure_refinement  'SHELXL v6.12 (G.M. Sheldrick, 2001)'
_computing_structure_solution    'SHELXS v6.12 (G.M. Sheldrick, 2001)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 4K
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker DUO APEX II CCD'
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Incoatec 30 Watt Cu microsource'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0255
_diffrn_reflns_av_sigmaI/netI    0.0187
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            15050
_diffrn_reflns_theta_full        66.66
_diffrn_reflns_theta_max         66.66
_diffrn_reflns_theta_min         4.98
_diffrn_standards_decay_%        0.0
_exptl_absorpt_coefficient_mu    1.140
_exptl_absorpt_correction_T_max  0.7528
_exptl_absorpt_correction_T_min  0.5798
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SAINT v7.60A'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.260
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'thick plate'
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.342
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.037
_refine_ls_extinction_coef       0.00047(14)
_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   1.028
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     275
_refine_ls_number_reflns         3835
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0308
_refine_ls_R_factor_gt           0.0296
_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^)+(0.0398P)^2^+1.0066P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0790
_refine_ls_wR_factor_ref         0.0806
_reflns_number_gt                3653
_reflns_number_total             4049
_reflns_threshold_expression     >3.99sigma(I)
_cod_data_source_file            c7sc03130k2.cif
_cod_data_source_block           k1502
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'Empirical' changed to
'empirical' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1546937