Enantioselective Synthesis of 4- and 6-Azaindolines by a Cation-Directed Cyclization.
Lamb, Alan D.; Davey, Peter D.; Driver, Russell W.; Thompson, Amber L.; Smith, Martin D.; Organic letters 18 (2016) 5372–5375; doi:10.1021/acs.orglett.6b02744

data_1555858
_publ_section_title
;
 Enantioselective Synthesis of 4- and 6-Azaindolines by a Cation-Directed
 Cyclization.
;
_journal_issue                   20
_journal_name_full               'Organic letters'
_journal_page_first              5372
_journal_page_last               5375
_journal_paper_doi               10.1021/acs.orglett.6b02744
_journal_volume                  18
_journal_year                    2016
_chemical_compound_source        synthesis
_chemical_formula_moiety         'C20 H15 N3'
_chemical_formula_sum            'C20 H15 N3'
_chemical_formula_weight         297.36
_chemical_melting_point          'see SI'
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yab'
_space_group_name_H-M_alt        'P 1 21/a 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_creation_date             2014-01-15
_audit_creation_method           CRYSTALS_ver_14.43
_cell_angle_alpha                90
_cell_angle_beta                 109.7256(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.6533(2)
_cell_length_b                   10.6806(2)
_cell_length_c                   13.6153(3)
_cell_measurement_reflns_used    3807
_cell_measurement_temperature    150
_cell_measurement_theta_max      27
_cell_measurement_theta_min      5
_cell_volume                     1595.18(5)
_computing_cell_refinement       'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2001).'
_computing_data_reduction        'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.027
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            23646
_diffrn_reflns_theta_full        26.978
_diffrn_reflns_theta_max         27.528
_diffrn_reflns_theta_min         5.140
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.99
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            pale_clear_colourless
_exptl_crystal_density_diffrn    1.238
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.700
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.29
_refine_diff_density_min         -0.31
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   0.9395
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         3639
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0649
_refine_ls_R_factor_gt           0.0450
_refine_ls_shift/su_max          0.0002424
_refine_ls_shift/su_mean         0.0000229
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 37.3 60.9 36.7 15.4 3.50 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1132
_refine_ls_wR_factor_gt          0.0989
_refine_ls_wR_factor_ref         0.1132
_reflns_limit_h_max              14
_reflns_limit_h_min              -15
_reflns_limit_k_max              13
_reflns_limit_k_min              0
_reflns_limit_l_max              17
_reflns_limit_l_min              0
_reflns_number_gt                2830
_reflns_number_total             3639
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   2.46
_oxford_diffrn_Wilson_scale      2.20
_oxford_refine_ls_r_factor_ref   0.0649
_oxford_refine_ls_scale          0.689(2)
_oxford_reflns_number_all        3639
_oxford_reflns_threshold_expression_ref I>-3.0\s(I)
_oxford_structure_analysis_title 040RWD12
_iucr_refine_instructions_details_constraints
;
BLOCK SCALE X'S, U'S 
RIDE C   (   2,X'S) H   (  21,X'S) 
RIDE C   (   3,X'S) H   (  31,X'S) 
RIDE C   (   4,X'S) H   (  41,X'S) 
RIDE C   (   8,X'S) H   (  81,X'S) 
RIDE N   (   9,X'S) H   (  91,X'S) 
RIDE C   (  11,X'S) H   ( 111,X'S) 
RIDE C   (  12,X'S) H   ( 121,X'S) 
RIDE C   (  13,X'S) H   ( 131,X'S) 
RIDE C   (  14,X'S) H   ( 141,X'S) 
RIDE C   (  15,X'S) H   ( 151,X'S) 
RIDE C   (  19,X'S) H   ( 191,X'S) 
RIDE C   (  20,X'S) H   ( 201,X'S) 
RIDE C   (  21,X'S) H   ( 211,X'S) 
RIDE C   (  22,X'S) H   ( 221,X'S) 
RIDE C   (  23,X'S) H   ( 231,X'S) 
END                                                                             
;
_iucr_refine_instructions_details_restraints
;
NO 
REM   HREST   START (DO NOT REMOVE THIS LINE) 
REM   HREST   END (DO NOT REMOVE THIS LINE) 
END                                                                             
;
_cod_data_source_file            ol6b02744_si_002.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'P 1 21/a 1 '
_cod_database_code               1555858