Base-promoted transannulation of heterocyclic enamines and 2,3-epoxypropan-1-ones: regio- and stereoselective synthesis of fused pyridines and pyrroles.
Yang, Zheng; Hao, Wen-Juan; Xu, Hai-Wei; Wang, Shu-Liang; Jiang, Bo; Li, Guigen; Tu, Shu-Jiang; The Journal of organic chemistry 80 (2015) 2781–2789; doi:10.1021/acs.joc.5b00067

data_4036122
_publ_section_title
;
 Base-promoted transannulation of heterocyclic enamines and
 2,3-epoxypropan-1-ones: regio- and stereoselective synthesis of fused
 pyridines and pyrroles.
;
_journal_issue                   5
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              2781
_journal_page_last               2789
_journal_paper_doi               10.1021/acs.joc.5b00067
_journal_volume                  80
_journal_year                    2015
_chemical_formula_sum            'C25 H17 Br Cl N O3'
_chemical_formula_weight         494.76
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
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_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                77.6590(10)
_cell_angle_beta                 88.687(2)
_cell_angle_gamma                67.8530(10)
_cell_formula_units_Z            2
_cell_length_a                   9.1460(8)
_cell_length_b                   10.6429(9)
_cell_length_c                   12.1101(11)
_cell_measurement_reflns_used    1323
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      21.958
_cell_measurement_theta_min      2.898
_cell_volume                     1064.43(16)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0312
_diffrn_reflns_av_sigmaI/netI    0.0787
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5269
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.87
_exptl_absorpt_coefficient_mu    2.084
_exptl_absorpt_correction_T_max  0.8187
_exptl_absorpt_correction_T_min  0.5643
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.544
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             500
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.376
_refine_diff_density_min         -0.374
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         3661
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.0909
_refine_ls_R_factor_gt           0.0457
_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^)+(0.0413P)^2^+0.4433P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0928
_refine_ls_wR_factor_ref         0.1114
_reflns_number_gt                2362
_reflns_number_total             3661
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo5b00067_si_002.cif
_cod_data_source_block           130707c
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4036122