Base-controlled chemoselectivity: direct coupling of alcohols and acetonitriles to synthesise α-alkylated arylacetonitriles or acetamides
Xia, Ai-Bao; Li, Chen; Bai, Liang; Ge, Min-Tong; Wang, Ying; Qiu, Yuan-Rui; Xu, Dan-Qian; New Journal of Chemistry 45 (2021) 15200–15204; doi:10.1039/D1NJ02243A

data_7060883
_publ_section_title
;
 Base-controlled chemoselectivity: direct coupling of alcohols and
 acetonitriles to synthesise \a-alkylated arylacetonitriles or acetamides
;
_journal_issue                   34
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              15200
_journal_page_last               15204
_journal_paper_doi               10.1039/D1NJ02243A
_journal_volume                  45
_journal_year                    2021
_chemical_formula_moiety         'C19 H15 N'
_chemical_formula_sum            'C19 H15 N'
_chemical_formula_weight         257.32
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_block_doi                 10.5517/ccdc.csd.cc26vgm5
_audit_creation_date             2020-12-02
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-12-18 deposited with the CCDC.	2021-07-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   6.7162(7)
_cell_length_b                   7.9031(8)
_cell_length_c                   53.511(5)
_cell_measurement_reflns_used    5546
_cell_measurement_temperature    208(2)
_cell_measurement_theta_max      54.925
_cell_measurement_theta_min      4.314
_cell_volume                     2840.3(5)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      208.14
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0313
_diffrn_reflns_av_unetI/netI     0.0323
_diffrn_reflns_Laue_measured_fraction_full 0.992
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       65
_diffrn_reflns_limit_l_min       -42
_diffrn_reflns_number            9909
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         54.905
_diffrn_reflns_theta_min         4.313
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.343
_exptl_absorpt_correction_T_max  0.7508
_exptl_absorpt_correction_T_min  0.6544
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1304 before and 0.0511 after correction. The Ratio of minimum to maximum transmission is 0.8716. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.204
_exptl_crystal_description       block
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.145
_refine_diff_density_min         -0.183
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2677
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0580
_refine_ls_R_factor_gt           0.0428
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0408P)^2^+0.8375P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0972
_refine_ls_wR_factor_ref         0.1065
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2130
_reflns_number_total             2677
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1nj02243a2.cif
_cod_data_source_block           2011307640_1_0m
_cod_database_code               7060883
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.983
_shelx_estimated_absorpt_t_min   0.973
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Ternary CH refined with riding coordinates:
 C11(H11)
2.b Secondary CH2 refined with riding coordinates:
 C13(H13A,H13B)
2.c Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C4(H4), C5(H5), C6(H6), C7(H7), C9(H9), C15(H15), C16(H16),
 C17(H17), C18(H18), C19(H19)
;
_shelx_res_checksum              90106
_olex2_submission_special_instructions 'No special instructions were received'