A concise synthesis of 3-(1-alkenyl)isoindolin-1-ones and 5-(1-alkenyl)pyrrol-2-ones by the intermolecular coupling reactions of N-acyliminium ions with unactivated olefins.
Lu, Nianhong; Wang, Lihong; Li, Zhanshan; Zhang, Wei; Beilstein journal of organic chemistry 8 (2012) 192–200; doi:10.3762/bjoc.8.21

data_4029722
_publ_section_title
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 A concise synthesis of 3-(1-alkenyl)isoindolin-1-ones and
 5-(1-alkenyl)pyrrol-2-ones by the intermolecular coupling reactions of
 N-acyliminium ions with unactivated olefins.
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_journal_name_full               'Beilstein journal of organic chemistry'
_journal_page_first              192
_journal_page_last               200
_journal_paper_doi               10.3762/bjoc.8.21
_journal_volume                  8
_journal_year                    2012
_chemical_formula_sum            'C23 H19 N O'
_chemical_formula_weight         325.39
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 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                 91.219(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   17.373(11)
_cell_length_b                   17.241(11)
_cell_length_c                   24.421(16)
_cell_measurement_reflns_used    1194
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      19.62
_cell_measurement_theta_min      2.34
_cell_volume                     7313(8)
_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, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0764
_diffrn_reflns_av_sigmaI/netI    0.1710
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            15477
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.34
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_T_max  0.9851
_exptl_absorpt_correction_T_min  0.9823
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.182
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2752
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.169
_refine_diff_density_min         -0.167
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -2(3)
_refine_ls_extinction_coef       0.00130(17)
_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   0.959
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     906
_refine_ls_number_reflns         9126
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.959
_refine_ls_R_factor_all          0.1786
_refine_ls_R_factor_gt           0.0696
_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^)+(0.0392P)^2^+0.6615P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1427
_refine_ls_wR_factor_ref         0.1999
_reflns_number_gt                3995
_reflns_number_total             9126
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1860-5397-8-21-S2.cif
_cod_data_source_block           cc
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/Beilstein/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 
;
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               4029722