Diazomethane umpolung atop anthracene: an electrophilic methylene transfer reagent.
Joost, Maximilian; Transue, Wesley J.; Cummins, Christopher C.; Chemical science 9 (2018) 1540–1543; doi:10.1039/c7sc04506a

data_1548534
_publ_section_title
;
 Diazomethane umpolung atop anthracene: an electrophilic methylene
 transfer reagent.
;
_journal_issue                   6
_journal_name_full               'Chemical science'
_journal_page_first              1540
_journal_page_last               1543
_journal_paper_doi               10.1039/c7sc04506a
_journal_volume                  9
_journal_year                    2018
_chemical_formula_sum            'C68 H87 O4 P W'
_chemical_formula_weight         1183.19
_chemical_properties_physical
Air-sensitive,Moisture-sensitive,Oxygen-sensitive
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-10-16 deposited with the CCDC.
2017-12-21 downloaded from the CCDC.
;
_cell_angle_alpha                106.468(2)
_cell_angle_beta                 110.976(2)
_cell_angle_gamma                96.554(2)
_cell_formula_units_Z            2
_cell_length_a                   13.4644(6)
_cell_length_b                   13.7709(6)
_cell_length_c                   18.7517(8)
_cell_measurement_reflns_used    9450
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      33.34
_cell_measurement_theta_min      2.36
_cell_volume                     3021.7(2)
_computing_cell_refinement       'SAINT 7.46A (Bruker-AXS, 2011)'
_computing_data_collection       'APEX2 v2011.4.0 (Bruker-AXS, 2011)'
_computing_data_reduction        'SAINT 7.46A (Bruker-AXS, 2011)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Bruker Smart APEX2 CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0449
_diffrn_reflns_av_unetI/netI     0.0272
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.980
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            344550
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.980
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         37.166
_diffrn_reflns_theta_min         1.241
_diffrn_source
'I\mS micro-focus sealed tube, multilayer optics'
_exptl_absorpt_coefficient_mu    1.984
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2009)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.300
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1232
_exptl_crystal_size_max          0.218
_exptl_crystal_size_mid          0.126
_exptl_crystal_size_min          0.079
_exptl_transmission_factor_max   0.5681
_exptl_transmission_factor_min   0.4774
_refine_diff_density_max         1.784
_refine_diff_density_min         -1.812
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     709
_refine_ls_number_reflns         30460
_refine_ls_number_restraints     44
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0337
_refine_ls_R_factor_gt           0.0257
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0309P)^2^+1.2009P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0588
_refine_ls_wR_factor_ref         0.0616
_reflns_Friedel_coverage         0.000
_reflns_number_gt                26858
_reflns_number_total             30460
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7sc04506a2.cif
_cod_data_source_block           X8_16249
_cod_depositor_comments
'Adding full bibliography for 1548532--1548534.cif.'
_cod_database_code               1548534
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.672
_shelx_estimated_absorpt_t_max   0.859
_shelx_res_checksum              80637