Chirally and chemically reversible Strecker reaction
Machida, Yutaro; Tanaka, Yudai; Masuda, Yuya; Kimura, Aya; Kawasaki, Tsuneomi; Chemical Science 14 (2023) 4480–4484; doi:10.1039/D3SC00359K

data_1568896
_publ_section_title
;
 Chirally and chemically reversible Strecker reaction
;
_journal_issue                   17
_journal_name_full               'Chemical Science'
_journal_page_first              4480
_journal_page_last               4484
_journal_paper_doi               10.1039/D3SC00359K
_journal_volume                  14
_journal_year                    2023
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C18.899 H15.899 N2 O'
_chemical_formula_sum            'C18.9 H15.9 N2 O'
_chemical_formula_weight         287.00
_chemical_name_common            Fur-aminonitrile
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2022-09-27
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2022-12-02 deposited with the CCDC.	2023-04-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.9356(2)
_cell_length_b                   8.6260(3)
_cell_length_c                   25.4183(8)
_cell_measurement_reflns_used    16810
_cell_measurement_temperature    123.15
_cell_measurement_theta_max      136.54
_cell_measurement_theta_min      6.96
_cell_volume                     1520.69(8)
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      123.15
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0655
_diffrn_reflns_av_unetI/netI     0.0415
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            16161
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        67.687
_diffrn_reflns_theta_max         68.247
_diffrn_reflns_theta_min         3.478
_exptl_absorpt_coefficient_mu    0.621
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6914
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '[ABSCOR (Rigaku, 1995)]'
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.254
_exptl_crystal_description       block
_exptl_crystal_F_000             605
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.377
_refine_diff_density_min         -0.286
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details
;
 Flack x determined using 1030 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.07(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     256
_refine_ls_number_reflns         2780
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0400
_refine_ls_R_factor_gt           0.0387
_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^)+(0.0524P)^2^+0.2594P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0965
_refine_ls_wR_factor_ref         0.0974
_reflns_Friedel_coverage         0.693
_reflns_Friedel_fraction_full    0.991
_reflns_Friedel_fraction_max     0.990
_reflns_number_gt                2675
_reflns_number_total             2780
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc00359k2.cif
_cod_data_source_block           shelx_CCDC3
_cod_depositor_comments
'Adding full bibliography for 1568893--1568896.cif.'
_cod_original_formula_sum        'C18.90 H15.90 N2 O'
_cod_database_code               1568896
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.886
_shelx_estimated_absorpt_t_min   0.886
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Others
 Sof(C1)=Sof(H1)=Sof(C00N)=Sof(H00N)=1-FVAR(1)
3.a Aromatic/amide H refined with riding coordinates:
 C1(H1), C00N(H00N)
;
_shelx_res_checksum              51842
_olex2_submission_special_instructions 'No special instructions were received'