Ph3P-mediated highly selective C(α)–P coupling of quinone monoacetals with R2P(O)H: convenient and practical synthesis of ortho-phosphinyl phenols
Shen, Ruwei; Zhang, Ming; Xiao, Jing; Dong, Chao; Han, Li-Biao; Green Chemistry 20 (2018) 5111–; doi:10.1039/C8GC02918K

data_7237091
_publ_section_title
;
 Ph3P-mediated highly selective C(\a)--P coupling of quinone monoacetals
 with R2P(O)H: convenient and practical synthesis of ortho-phosphinyl
 phenols
;
_journal_issue                   22
_journal_name_full               'Green Chemistry'
_journal_page_first              5111
_journal_paper_doi               10.1039/C8GC02918K
_journal_volume                  20
_journal_year                    2018
_chemical_formula_moiety         'C21 H21 O3 P'
_chemical_formula_sum            'C21 H21 O3 P'
_chemical_formula_weight         352.35
_space_group_crystal_system      orthorhombic
_space_group_IT_number           41
_space_group_name_Hall           'A 2 -2ab'
_space_group_name_H-M_alt        'A e a 2'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-04-28 deposited with the CCDC.
2018-10-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   32.26(3)
_cell_length_b                   16.224(15)
_cell_length_c                   7.120(7)
_cell_measurement_reflns_used    2645
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.242
_cell_measurement_theta_min      2.25
_cell_volume                     3727(6)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.946
_diffrn_measurement_device_type  'Bruker Apex2 CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0260
_diffrn_reflns_av_unetI/netI     0.0260
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.946
_diffrn_reflns_limit_h_max       38
_diffrn_reflns_limit_h_min       -39
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            13479
_diffrn_reflns_point_group_measured_fraction_full 0.962
_diffrn_reflns_point_group_measured_fraction_max 0.884
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.848
_diffrn_reflns_theta_min         1.262
_exptl_absorpt_coefficient_mu    0.164
_exptl_absorpt_correction_T_max  0.985
_exptl_absorpt_correction_T_min  0.901
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2014)'
_exptl_crystal_colour            White
_exptl_crystal_density_diffrn    1.256
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1488
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.217
_refine_diff_density_min         -0.199
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details
;
 Flack x determined using 1285 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.03(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3537
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0355
_refine_ls_R_factor_gt           0.0325
_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^)+(0.0504P)^2^+0.6507P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0835
_refine_ls_wR_factor_ref         0.0851
_reflns_Friedel_coverage         0.725
_reflns_Friedel_fraction_full    0.916
_reflns_Friedel_fraction_max     0.812
_reflns_number_gt                3302
_reflns_number_total             3537
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8gc02918k2.cif
_cod_data_source_block           1_CCDC1
_cod_original_cell_volume        3726(6)
_cod_original_sg_symbol_Hall     'A 2 -2ac'
_cod_original_sg_symbol_H-M      'A b a 2'
_cod_database_code               7237091
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              28598