Copper-catalyzed trans-carbohalogenation of terminal alkynes with functionalized tertiary alkyl halides.
Che, Chao; Zheng, Hanliang; Zhu, Gangguo; Organic letters 17 (2015) 1617–1620; doi:10.1021/acs.orglett.5b00546

data_1554877
_publ_section_title
;
 Copper-catalyzed trans-carbohalogenation of terminal alkynes with
 functionalized tertiary alkyl halides.
;
_journal_issue                   6
_journal_name_full               'Organic letters'
_journal_page_first              1617
_journal_page_last               1620
_journal_paper_doi               10.1021/acs.orglett.5b00546
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C23 H21 N'
_chemical_formula_sum            'C23 H21 N'
_chemical_formula_weight         311.41
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 114.231(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.4176(4)
_cell_length_b                   11.9596(4)
_cell_length_c                   16.0413(6)
_cell_measurement_reflns_used    7277
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.00
_cell_volume                     1822.51(12)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1407
_diffrn_reflns_av_sigmaI/netI    0.0971
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            55582
_diffrn_reflns_theta_full        27.57
_diffrn_reflns_theta_max         27.57
_diffrn_reflns_theta_min         2.14
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.062
_exptl_absorpt_correction_T_max  0.994
_exptl_absorpt_correction_T_min  0.984
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.135
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             580
_exptl_crystal_size_max          .3
_exptl_crystal_size_mid          .21
_exptl_crystal_size_min          .1
_refine_diff_density_max         0.167
_refine_diff_density_min         -0.184
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.295
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         4203
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.295
_refine_ls_R_factor_all          0.2233
_refine_ls_R_factor_gt           0.1153
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2096
_refine_ls_wR_factor_ref         0.2400
_reflns_number_gt                2397
_reflns_number_total             4203
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol5b00546_si_003.cif
_cod_data_source_block           cc
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               1554877