Overcoming naphthoquinone deactivation: rhodium-catalyzed C-5 selective C–H iodination as a gateway to functionalized derivatives
Jardim, Guilherme A. M.; da Silva Júnior, Eufrânio N.; Bower, John F.; Chem. Sci. 7 (2016) 3780–; doi:10.1039/C6SC00302H

data_1542614
_publ_section_title
;
 Overcoming naphthoquinone deactivation: rhodium-catalyzed C-5 selective
 C--H iodination as a gateway to functionalized derivatives
;
_journal_issue                   6
_journal_name_full               'Chem. Sci.'
_journal_page_first              3780
_journal_paper_doi               10.1039/C6SC00302H
_journal_volume                  7
_journal_year                    2016
_chemical_formula_moiety         'C10 H4 I2 O2'
_chemical_formula_sum            'C10 H4 I2 O2'
_chemical_formula_weight         409.93
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2015-09-25
_audit_creation_method
;
Olex2 1.2
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r4998)
;
_audit_update_record
;
2015-12-10 deposited with the CCDC.
2016-02-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.327(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.9652(6)
_cell_length_b                   4.4527(2)
_cell_length_c                   16.4351(6)
_cell_measurement_reflns_used    3366
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.78
_cell_measurement_theta_min      2.54
_cell_volume                     998.42(7)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_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  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution
;
Superflip (Palatinus & Chapuis, 2007;Palatinus & van der Lee, 2008;
Palatinus et al., 2012)
;
_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 0.997
_diffrn_measurement_device       'Bruker Apex II kappa CCD area detector'
_diffrn_measurement_device_type  'Bruker Apex II kappa CCD area detector'
_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  0.0307
_diffrn_reflns_av_unetI/netI     0.0298
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            8503
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         27.859
_diffrn_reflns_theta_min         1.740
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.267
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5180
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.0638 before and 0.0406 after correction.
The Ratio of minimum to maximum transmission is 0.6947.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            orange
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    2.727
_exptl_crystal_description       needle
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.647
_refine_diff_density_min         -0.523
_refine_diff_density_rms         0.134
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         2370
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0289
_refine_ls_R_factor_gt           0.0220
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0180P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0408
_refine_ls_wR_factor_ref         0.0426
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2061
_reflns_number_total             2370
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6sc00302h2.cif
_cod_data_source_block           testm1
_cod_depositor_comments
'Adding full bibliography for 1542604--1542615.cif.'
_cod_database_code               1542614
_shelxl_version_number           2013-4
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C8(H8), C9(H9)
;
_shelx_res_checksum              44851
_olex2_submission_special_instructions 'No special instructions were received'