Keteniminium ion-initiated cascade cationic polycyclization.
Theunissen, Cédric; Métayer, Benoît; Henry, Nicolas; Compain, Guillaume; Marrot, Jérome; Martin-Mingot, Agnès; Thibaudeau, Sébastien; Evano, Gwilherm; Journal of the American Chemical Society 136 (2014) 12528–12531; doi:10.1021/ja504818p

data_4122131
_publ_section_title
;
 Keteniminium ion-initiated cascade cationic polycyclization.
;
_journal_issue                   36
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12528
_journal_page_last               12531
_journal_paper_doi               10.1021/ja504818p
_journal_volume                  136
_journal_year                    2014
_chemical_absolute_configuration rm
_chemical_formula_sum            'C19 H17 N O2'
_chemical_formula_weight         291.34
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 99.018(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   5.3653(12)
_cell_length_b                   15.987(3)
_cell_length_c                   8.8569(18)
_cell_measurement_reflns_used    8454
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      22.85
_cell_measurement_theta_min      2.55
_cell_volume                     750.3(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0938
_diffrn_reflns_av_sigmaI/netI    0.0370
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            33711
_diffrn_reflns_theta_full        25.21
_diffrn_reflns_theta_max         25.21
_diffrn_reflns_theta_min         2.33
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.9933
_exptl_absorpt_correction_T_min  0.9737
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, V2.10)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.289
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             308
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.318
_refine_diff_density_min         -0.354
_refine_diff_density_rms         0.092
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.199
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         1391
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.198
_refine_ls_R_factor_all          0.1039
_refine_ls_R_factor_gt           0.0943
_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^)+(0.1447P)^2^+0.2391P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2378
_refine_ls_wR_factor_ref         0.2459
_reflns_number_gt                1177
_reflns_number_total             1391
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja504818p_si_002.cif
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/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 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4122129--4122131.cif.
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               4122131