Peptidomimetic Synthesis by Way of Diastereoselective Iodoacetoxylation and Transannular Amidation of 7-9-Membered Lactams.
Atmuri, N. D. Prasad; Reilley, David J.; Lubell, William D.; Organic letters 19 (2017) 5066–5069; doi:10.1021/acs.orglett.7b02275

data_1547358
_publ_section_title
;
 Peptidomimetic Synthesis by Way of Diastereoselective Iodoacetoxylation
 and Transannular Amidation of 7-9-Membered Lactams.
;
_journal_issue                   19
_journal_name_full               'Organic letters'
_journal_page_first              5066
_journal_page_last               5069
_journal_paper_doi               10.1021/acs.orglett.7b02275
_journal_volume                  19
_journal_year                    2017
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C23 H20 N2 O5'
_chemical_formula_sum            'C23 H20 N2 O5'
_chemical_formula_weight         404.41
_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'
_symmetry_space_group_name_Hall  'P 2 2ab'
_symmetry_space_group_name_H-M   'P 21 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2017-05-09
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5335)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.5449(5)
_cell_length_b                   34.1483(14)
_cell_length_c                   4.9573(2)
_cell_measurement_reflns_used    9962
_cell_measurement_temperature    150
_cell_measurement_theta_max      55.492
_cell_measurement_theta_min      2.252
_cell_volume                     1954.36(14)
_computing_cell_refinement
'SAINT (2013) V8.34A; Integration Software for Single Crystal Data. Bruker AXS Inc., Madison, WI 53719-1173.'
_computing_data_collection
;
APEX 2 (2013) Bruker AXS Inc., Madison, WI 53719-1173.
;
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XT (Sheldrick, 2015)'
_diffrn_ambient_temperature      150
_diffrn_detector                 'CMOS Area detector'
_diffrn_detector_area_resol_mean 10.24
_diffrn_detector_type            'Bruker Photon 100 CMOS Detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker Venture Metaljet'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_collimation    'Focusing mirrors'
_diffrn_radiation_monochromator  'Helios MX Mirror Optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0801
_diffrn_reflns_av_unetI/netI     0.0529
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       42
_diffrn_reflns_limit_k_min       -42
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            29195
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         55.941
_diffrn_reflns_theta_min         2.251
_diffrn_source                   'Metal Jet'
_diffrn_source_target            Ga
_diffrn_source_type              'Gallium Liquid Metal Jet Source'
_exptl_absorpt_coefficient_mu    0.518
_exptl_absorpt_correction_T_max  0.7510
_exptl_absorpt_correction_T_min  0.6417
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.1383 before and 0.0750 after correction. The Ratio of minimum to maximum transmission is 0.8545. The \l/2 correction factor is 0.00150.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.374
_exptl_crystal_description       NEEDLE
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.015
_exptl_crystal_size_min          0.015
_refine_diff_density_max         0.189
_refine_diff_density_min         -0.230
_refine_diff_density_rms         0.052
_refine_ls_abs_structure_details
;
 Flack x determined using 1046 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.26(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         3855
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0728
_refine_ls_R_factor_gt           0.0481
_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^)+(0.0410P)^2^+0.6257P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0895
_refine_ls_wR_factor_ref         0.0982
_reflns_Friedel_coverage         0.686
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                3091
_reflns_number_total             3855
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol7b02275_si_004.cif
_cod_data_source_block           lub110
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' according
to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 1547358--1547364.cif.
;
_cod_database_code               1547358
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.992
_shelx_estimated_absorpt_t_min   0.895
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C2(H2A), C11(H11)
2.b Secondary CH2 refined with riding coordinates:
 C10(H10A,H10B)
2.c Aromatic/amide H refined with riding coordinates:
 N1(H1), N2(H2), C3(H3), C4(H4), C5(H5), C13(H13), C14(H14), C15(H15),
 C16(H16), C19(H19), C20(H20), C21(H21), C22(H22)
2.d Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C)
;
_shelx_res_checksum              7452
_shelx_hkl_checksum              51482
_olex2_submission_special_instructions 'No special instructions were received'