Zirconocene-Mediated Intermolecular Coupling of One Molecule of Si-Tethered Diyne with Three Molecules of Organonitriles: One-Pot Formation of Pyrrolo[3,2-c]pyridine Derivatives via Cleavage of C\τbN Triple Bonds of Organonitriles
Xiaohua Sun; Congyang Wang; Zhiping Li; Shiwei Zhang; Zhenfeng Xi; Journal of the American Chemical Society 126 (2004) 7172–7173; doi:10.1021/ja0497173

data_4112673
_publ_section_title
;
 Zirconocene-Mediated Intermolecular Coupling of One Molecule of
 Si-Tethered Diyne with Three Molecules of Organonitriles: One-Pot
 Formation of Pyrrolo[3,2-c]pyridine Derivatives via Cleavage of C\\tbN
 Triple Bonds of Organonitriles
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7172
_journal_page_last               7173
_journal_paper_doi               10.1021/ja0497173
_journal_volume                  126
_journal_year                    2004
_chemical_formula_sum            'C24 H27 N O'
_chemical_formula_weight         345.47
_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
'hydrogen atoms are generated by HFIX instructions'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 96.44(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.114(2)
_cell_length_b                   10.915(2)
_cell_length_c                   19.170(4)
_cell_measurement_reflns_used    12816
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.03
_cell_measurement_theta_min      2.76
_cell_volume                     2102.9(7)
_computing_cell_refinement
;
Molecular Structure Corporation (1994)
MSC/AFC Diffractometer Control Software
MSC, 3200 Research Forest Drive, The
Woodlands, TX 77381, USA.
;
_computing_data_collection
;
Molecular Structure Corporation (1994)
MSC/AFC Diffractometer Control Software
MSC, 3200 Research Forest Drive, The
Woodlands, TX 77381, USA.
;
_computing_data_reduction
;
Sheldrick, G. M. (1998) SHELXS98, Program
for the Solution of Crystal Structure,
University of Gottingen, Germany.
;
_computing_molecular_graphics
;
Interactive Molecular Graphics XP, Virsion
4.2 for MSDOS (1990), Siemens Analytical
X-ray Instruments Inc., Madison, Wisconsin,
USA.
;
_computing_publication_material
;
Sheldrick, G. M. (1998) SHELXL98, Program
for the Refinement of Crystal Structure,
University of Gottingen, Germany.
;
_computing_structure_refinement
;
Sheldrick, G. M. (1998) SHELXL98, Program
for the Refinement of Crystal Structure,
University of Gottingen, Germany.
;
_computing_structure_solution
;
Sheldrick, G. M. (1998) SHELXS98, Program
for the Solution of Crystal Structure,
University of Gottingen, Germany.
;
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean '100x100 microns'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku RAXIS RAPID IP'
_diffrn_measurement_method       Oscillation
_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  0.0302
_diffrn_reflns_av_sigmaI/netI    0.0697
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            12816
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.76
_exptl_absorpt_coefficient_mu    0.066
_exptl_absorpt_correction_T_max  0.993
_exptl_absorpt_correction_T_min  0.967
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.091
_exptl_crystal_description       Block
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.111
_refine_diff_density_min         -0.149
_refine_diff_density_rms         0.025
_refine_ls_extinction_coef       0.0152(10)
_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   0.938
_refine_ls_hydrogen_treatment
;
hydrogen coordinates ride on the coordinates
of the previous atom, the isotropic U values
are 1.2 OR 1.5 time over the U values of the
previous atom.
;
_refine_ls_matrix_type           full
_refine_ls_number_parameters     240
_refine_ls_number_reflns         3702
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.938
_refine_ls_R_factor_all          0.1015
_refine_ls_R_factor_gt           0.0412
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0305P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0823
_refine_ls_wR_factor_ref         0.0898
_reflns_number_gt                1656
_reflns_number_total             3702
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0497173si20040120_050817.cif
_cod_data_source_block           a
_cod_database_code               4112673