C-2/C-3 Annulation and C-2 Alkylation of Indoles with 2-Alkoxycyclopropanoate Esters
Barbora Bajtos; Ming Yu; Hongda Zhao; Brian L. Pagenkopf; Journal of the American Chemical Society 129 (2007) 9631–9634; doi:10.1021/ja067821+

data_4111335
_publ_section_title
;
 C-2/C-3 Annulation and C-2 Alkylation of Indoles with
 2-Alkoxycyclopropanoate Esters
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9631
_journal_page_last               9634
_journal_paper_doi               10.1021/ja067821+
_journal_volume                  129
_journal_year                    2007
_chemical_formula_sum            'C17 H17 N O'
_chemical_formula_weight         251.32
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_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
_cell_angle_alpha                85.690(2)
_cell_angle_beta                 78.443(2)
_cell_angle_gamma                65.331(2)
_cell_formula_units_Z            4
_cell_length_a                   8.5625(2)
_cell_length_b                   8.6438(2)
_cell_length_c                   19.5105(7)
_cell_measurement_temperature    153(2)
_cell_volume                     1285.57(7)
_computing_cell_refinement       'Collect software, Nonius B.V. 1998'
_computing_data_collection       'Collect software, Nonius B.V. 1998'
_computing_data_reduction
;
DENZO and Scalepack (Otwinoski and Minor, 1997)
;
_computing_molecular_graphics    'XP SHELXTL/PC, Siemens Analytical'
_computing_structure_refinement  'XL SHELXTL/PC, Siemens Analytical'
_computing_structure_solution
;

SIR97 - Altomare A., Burla M.C., Camalli M., Cascarano G.L., Giacovazzo C., 
Guagliardi A., Moliterni A.G.G., Polidori G.,Spagna R.
;
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.960
_diffrn_measured_fraction_theta_max 0.960
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       \w-scans
_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  0.0409
_diffrn_reflns_av_sigmaI/netI    0.1339
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            8660
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.05
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.298
_exptl_crystal_description       plates
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.237
_refine_diff_density_min         -0.204
_refine_diff_density_rms         0.048
_refine_ls_extinction_coef       0.011(2)
_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   0.977
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     344
_refine_ls_number_reflns         5652
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.977
_refine_ls_R_factor_all          0.1552
_refine_ls_R_factor_gt           0.0536
_refine_ls_shift/su_max          0.020
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0505P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1050
_refine_ls_wR_factor_ref         0.1354
_reflns_number_gt                2661
_reflns_number_total             5652
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja067821si20070529_084411.cif
_cod_data_source_block           hz1234
_cod_original_cell_volume        1285.57(6)
_cod_database_code               4111335