Efficient synthesis of isoindolones by intramolecular cyclisation of pyridinylbenzoic acids.
Solea, Atena B.; Wang, Sining; Xue, Xiao-Song; Crochet, Aurelien; Fromm, Katharina M.; Houk, Kendall N.; Mamula, Olimpia; Allemann, Christophe; Organic & biomolecular chemistry 19 (2021) 8025–8029; doi:10.1039/d1ob01343b

data_7158278
_publ_section_title
;
 Efficient synthesis of isoindolones by intramolecular cyclisation of
 pyridinylbenzoic acids.
;
_journal_issue                   37
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              8025
_journal_page_last               8029
_journal_paper_doi               10.1039/d1ob01343b
_journal_volume                  19
_journal_year                    2021
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C19 H19 N O2'
_chemical_formula_sum            'C19 H19 N O2'
_chemical_formula_weight         293.35
_space_group_crystal_system      orthorhombic
_space_group_IT_number           18
_space_group_name_Hall           'P 2 2ab'
_space_group_name_H-M_alt        'P 21 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2020-09-11
_audit_creation_method
;
Olex2 1.3
(compiled 2020.07.31 svn.rc2a77460 for OlexSys, GUI svn.r6145)
;
_audit_update_record
;
2020-10-12 deposited with the CCDC.	2021-08-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   25.3513(5)
_cell_length_b                   13.4380(7)
_cell_length_c                   9.4134(12)
_cell_measurement_reflns_used    18946
_cell_measurement_temperature    250(2)
_cell_measurement_theta_max      25.89
_cell_measurement_theta_min      1.52
_cell_volume                     3206.9(4)
_computing_cell_refinement       'X-Area (Stoe & Cie, 2009)'
_computing_data_collection       'X-Area (Stoe & Cie, 2009)'
_computing_data_reduction        'X-RED32(Stoe & Cie, 2009)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2017/1 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      250(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'STOE IPDS2'
_diffrn_measurement_method       'rotation method'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1844
_diffrn_reflns_av_unetI/netI     0.0780
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            48181
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.870
_diffrn_reflns_theta_min         1.607
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Stoe IPDS2'
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  0.9891
_exptl_absorpt_correction_T_min  0.7608
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
STOE X-Red32, absorption correction by Gaussian integration, analogous to
P. Coppens, "The Evaluation of Absorption and Extinction in Single-Crystal
Structure Analysis", published in
F. R. Ahmed (Editor), "Crystallographic Computing",
Munksgaard, Copenhagen (1970), 255 - 270.
Afterwards scaling of reflection intensities was performed within STOE LANA.
J. Koziskova, F. Hahn, J. Richter, J. Kozisek, , Acta Chimica Slovaca, vol. 9, no. 2, 2016, pp. 136 - 140.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.215
_exptl_crystal_description       plate
_exptl_crystal_F_000             1248
_exptl_crystal_recrystallization_method
'The material was recrystallised from diisopropyl ether by slow evaporation'
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.295
_refine_diff_density_min         -0.333
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details
;
 Flack x determined using 1390 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   2.2(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     405
_refine_ls_number_reflns         6844
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.1163
_refine_ls_R_factor_gt           0.0720
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1002P)^2^+0.4523P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1638
_refine_ls_wR_factor_ref         0.2001
_reflns_Friedel_coverage         0.773
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.988
_reflns_number_gt                4236
_reflns_number_total             6844
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ob01343b2.cif
_cod_data_source_block           ate226
_cod_depositor_comments
'Adding full bibliography for 7158278--7158280.cif.'
_cod_database_code               7158278
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.990
_shelx_estimated_absorpt_t_min   0.973
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2. Uiso/Uaniso restraints and constraints
Uanis(O3) = Uanis(O3A) = Uanis(O4) = Uanis(O4A)
3. Others
 Sof(O3A)=Sof(O4A)=Sof(H4A)=1-FVAR(1)
 Sof(O3)=Sof(O4)=Sof(H4)=FVAR(1)
4.a Ternary CH refined with riding coordinates:
 C12(H12), C14(H14), C31(H31), C33(H33)
4.b Secondary CH2 refined with riding coordinates:
 C13(H13A,H13B), C15(H15A,H15B), C32(H32A,H32B), C34(H34A,H34B)
4.c Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4B), C5(H5), C6(H6), C9(H9), C10(H10), C22(H22), C23(H23),
 C24(H24), C25(H25), C28(H28), C29(H29)
4.d Idealised Me refined as rotating group:
 C18(H18A,H18B,H18C), C19(H19A,H19B,H19C), C37(H37A,H37B,H37C), C38(H38A,H38B,
 H38C)
4.e Idealised tetrahedral OH refined as rotating group:
 O1(H1), O4(H4), O4A(H4A)
;
_shelx_res_checksum              39085
_olex2_submission_special_instructions 'No special instructions were received'