Nickel-catalyzed alkyl-zincation and carboxylation of diynes
Cao, Tao; Ma, Shengming; Organic Chemistry Frontiers 3 (2016) 1711–; doi:10.1039/C6QO00484A

data_1553546
_publ_section_title
;
 Nickel-catalyzed alkyl-zincation and carboxylation of diynes
;
_journal_issue                   12
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              1711
_journal_paper_doi               10.1039/C6QO00484A
_journal_volume                  3
_journal_year                    2016
_chemical_formula_sum            'C24 H28 O8'
_chemical_formula_weight         444.46
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2015-12-22 deposited with the CCDC.
2016-10-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.184(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.1503(18)
_cell_length_b                   8.3426(9)
_cell_length_c                   18.1574(19)
_cell_measurement_reflns_used    3832
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      54.538
_cell_measurement_theta_min      4.639
_cell_volume                     2324.3(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0637
_diffrn_reflns_av_unetI/netI     0.0661
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            13362
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.000
_diffrn_reflns_theta_min         2.320
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6290
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.211
_exptl_crystal_size_mid          0.165
_exptl_crystal_size_min          0.123
_refine_diff_density_max         0.261
_refine_diff_density_min         -0.249
_refine_diff_density_rms         0.055
_refine_ls_extinction_coef       0.0062(16)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     296
_refine_ls_number_reflns         4564
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0716
_refine_ls_R_factor_gt           0.0570
_refine_ls_shift/su_max          0.019
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0815P)^2^+0.4113P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1473
_refine_ls_wR_factor_ref         0.1612
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3494
_reflns_number_total             4564
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6qo00484a2.cif
_cod_data_source_block           cd214406
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1553546
_shelxl_version_number           2013-4
_shelx_res_checksum              57442
_shelx_hkl_checksum              54508