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_1547363
_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         'C24 H24 N2 O5'
_chemical_formula_sum            'C24 H24 N2 O5'
_chemical_formula_weight         420.45
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2017-04-24
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5335)
;
_cell_angle_alpha                90
_cell_angle_beta                 96.5347(15)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.84660(10)
_cell_length_b                   11.7928(3)
_cell_length_c                   18.3146(5)
_cell_measurement_reflns_used    9922
_cell_measurement_temperature    150
_cell_measurement_theta_max      58.160
_cell_measurement_theta_min      3.888
_cell_volume                     1039.97(4)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_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    'ShelXT (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 0.995
_diffrn_measured_fraction_theta_max 0.977
_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  0.0501
_diffrn_reflns_av_unetI/netI     0.0424
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.977
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            24798
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.974
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         58.738
_diffrn_reflns_theta_min         2.112
_diffrn_source                   'Metal Jet'
_diffrn_source_target            Ga
_diffrn_source_type              'Gallium Liquid Metal Jet Source'
_exptl_absorpt_coefficient_mu    0.499
_exptl_absorpt_correction_T_max  0.7515
_exptl_absorpt_correction_T_min  0.6877
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.1509 before and 0.0617 after correction. The Ratio of minimum to maximum transmission is 0.9151. The \l/2 correction factor is 0.00150.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.343
_exptl_crystal_description       NEEDLE
_exptl_crystal_F_000             444
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.199
_refine_diff_density_min         -0.241
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details
;
 Flack x determined using 1514 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.03(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.142
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4377
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.141
_refine_ls_R_factor_all          0.0615
_refine_ls_R_factor_gt           0.0440
_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^)+(0.0374P)^2^+0.1134P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0811
_refine_ls_wR_factor_ref         0.0861
_reflns_Friedel_coverage         0.898
_reflns_Friedel_fraction_full    0.996
_reflns_Friedel_fraction_max     0.970
_reflns_number_gt                3722
_reflns_number_total             4377
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol7b02275_si_007.cif
_cod_data_source_block           lub108
_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               1547363
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.990
_shelx_estimated_absorpt_t_min   0.841
_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:
 C2(H2A), C7(H7), C12(H12)
2.b Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C6(H6A,H6B), C11(H11A,H11B)
2.c Aromatic/amide H refined with riding coordinates:
 C4(H4), C5(H5), C14(H14), C15(H15), C16(H16), C17(H17), C20(H20), C21(H21),
 C22(H22), C23(H23)
2.d Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C)
;
_shelx_res_checksum              28170
_shelx_hkl_checksum              45680
_olex2_submission_special_instructions 'No special instructions were received'