Tetramate derivatives by chemoselective Dieckmann ring closure of <i>allo</i>-phenylserines, and their antibacterial activity.
Saney, Liban; Christensen, Kirsten E.; Genov, Miroslav; Pretsch, Alexander; Pretsch, Dagmar; Moloney, Mark G.; Organic & biomolecular chemistry 21 (2023) 4061–4071; doi:10.1039/d3ob00376k

data_7159297
_publ_section_title
;
 Tetramate derivatives by chemoselective Dieckmann ring closure of
 <i>allo</i>-phenylserines, and their antibacterial activity.
;
_journal_issue                   19
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              4061
_journal_page_last               4071
_journal_paper_doi               10.1039/d3ob00376k
_journal_volume                  21
_journal_year                    2023
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C21 H29 N O6 Si'
_chemical_formula_sum            'C21 H29 N O6 Si'
_chemical_formula_weight         419.55
_chemical_melting_point          ?
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     other
_audit_block_doi                 10.5517/ccdc.csd.cc2bhq4q
_audit_creation_date             2018-11-12
_audit_creation_method           CRYSTALS_ver_14.61_build_7031
_audit_update_record
;
2022-03-18 deposited with the CCDC.	2023-04-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 113.311(12)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.7216(10)
_cell_length_b                   7.9879(6)
_cell_length_c                   13.3513(14)
_cell_measurement_reflns_used    3200
_cell_measurement_temperature    300
_cell_measurement_theta_max      72
_cell_measurement_theta_min      4
_cell_volume                     1148.1(2)
_computing_cell_refinement
; 
 CrysAlisPro (Rigaku Oxford Diffraction, 2017) 
;
_computing_data_collection       'SuperNova, (Oxford Diffraction, 2010)'
_computing_data_reduction
; 
 CrysAlisPro (Rigaku Oxford Diffraction, 2017) 
;
_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    'Superflip (Palatinus & Chapuis, 2007)'
_diffrn_ambient_temperature      300
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Oxford Diffraction SuperNova'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  'focussing mirrors'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.034
_diffrn_reflns_av_sigmaI/netI    0.0581
_diffrn_reflns_av_unetI/netI     0.058
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            11442
_diffrn_reflns_theta_full        73.769
_diffrn_reflns_theta_max         76.050
_diffrn_reflns_theta_min         3.605
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.197
_exptl_absorpt_correction_T_max  0.96
_exptl_absorpt_correction_T_min  0.72
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 CrysAlisPro (Rigaku Oxford Diffraction, 2017) 
;
_exptl_crystal_colour            clear_pale_colourless
_exptl_crystal_density_diffrn    1.214
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       lath
_exptl_crystal_F_000             447.997
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.15
_refine_diff_density_min         -0.18
_refine_ls_abs_structure_details
; 
 Parsons, Flack & Wagner (2013), 
 1854 Friedel Pairs 
;
_refine_ls_abs_structure_Flack   -0.05(3)
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     321
_refine_ls_number_reflns         4682
_refine_ls_number_restraints     13
_refine_ls_R_factor_all          0.0594
_refine_ls_R_factor_gt           0.0436
_refine_ls_shift/su_max          0.0004028
_refine_ls_shift/su_mean         0.0000287
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method= Modified Sheldrick 
 w=1/[\s^2^(F^2^) + ( 0.04P)^2^ + 0.09P] 
 ,where P=(max(Fo^2^,0) + 2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1173
_refine_ls_wR_factor_gt          0.1001
_refine_ls_wR_factor_ref         0.1173
_reflns_limit_h_max              13
_reflns_limit_h_min              -14
_reflns_limit_k_max              9
_reflns_limit_k_min              -9
_reflns_limit_l_max              16
_reflns_limit_l_min              0
_reflns_number_gt                3525
_reflns_number_total             4682
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   5.43
_oxford_diffrn_Wilson_scale      0.02
_oxford_refine_ls_r_factor_ref   0.0594
_oxford_refine_ls_scale          8.5(2)
_oxford_reflns_number_all        4682
_oxford_structure_analysis_title 7037-RT-Cu
_cod_data_source_file            d3ob00376k2.cif
_cod_data_source_block           9-175La
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_melting_point' value 'not measured' was changed
to '?' -- the value is undefined or not given.

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 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 7159291--7159301.cif.
;
_cod_original_sg_symbol_H-M      'P 21 '
_cod_database_code               7159297
_oxford_refine_reflns_threshold_expression_ref I>-10.0\s(I)
_oxford_hooft_y                  -0.09(3)
_oxford_bijvoet_difference       -0.05(3)
_oxford_refined_flack_x          -0.08(5)