‘Reverse biomimetic’ synthesis of l-arogenate and its stabilized analogues from l-tyrosine
Eagling, Louise; Leonard, Daniel J.; Schwarz, Maria; Urruzuno, Iñaki; Boden, Grace; Wailes, J. Steven; Ward, John W.; Clayden, Jonathan; Chemical Science  (2021) –; doi:10.1039/D1SC03554A

data_1564277
_publ_section_title
;
 &#x2018;Reverse biomimetic&#x2019; synthesis of l-arogenate and its
 stabilized analogues from l-tyrosine
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D1SC03554A
_journal_year                    2021
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C16 H21 Cl N2 O3'
_chemical_formula_sum            'C16 H21 Cl N2 O3'
_chemical_formula_weight         324.80
_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             2018-06-07
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-03-12 deposited with the CCDC.	2021-07-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.8233(2)
_cell_length_b                   11.9161(3)
_cell_length_c                   12.3076(3)
_cell_measurement_reflns_used    4257
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.79
_cell_measurement_theta_min      2.38
_cell_volume                     1587.33(6)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_collection       'Bruker Apex suite'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'Bruker area detector'
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'Bruker Apex II kappa CCD area detector'
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0395
_diffrn_reflns_av_unetI/netI     0.0362
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            14647
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.906
_diffrn_reflns_theta_min         2.379
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.255
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5591
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.0755 before and 0.0460 after correction. The Ratio of minimum to maximum transmission is 0.7499. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.359
_exptl_crystal_description       block
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.426
_exptl_crystal_size_mid          0.396
_exptl_crystal_size_min          0.166
_refine_diff_density_max         0.218
_refine_diff_density_min         -0.210
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details
;
 Flack x determined using 1410 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     207
_refine_ls_number_reflns         3800
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0347
_refine_ls_R_factor_gt           0.0298
_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^)+(0.0351P)^2^+0.1478P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0669
_refine_ls_wR_factor_ref         0.0691
_reflns_Friedel_coverage         0.753
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.997
_reflns_number_gt                3478
_reflns_number_total             3800
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc03554a2.cif
_cod_data_source_block           testo1
_cod_database_code               1564277
_shelx_shelxl_version_number     2017/1
_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
2.a Ternary CH refined with riding coordinates:
 C3(H3), C1(H1)
2.b Secondary CH2 refined with riding coordinates:
 C4(H4A,H4B)
2.c Aromatic/amide H refined with riding coordinates:
 C6(H6), C7(H7), C10(H10), C9(H9)
2.d Idealised Me refined as rotating group:
 C15(H15A,H15B,H15C), C13(H13A,H13B,H13C), C12(H12A,H12B,H12C), C14(H14A,H14B,
 H14C)
;
_shelx_res_checksum              46749
_olex2_submission_special_instructions 'No special instructions were received'