Magnesium-Promoted Additions of Difluoroenolates to Unactivated Imines.
Nguyen, Alex L.; Khatri, Hari R.; Woods, James R.; Baldwin, Cassidy S.; Fronczek, Frank R.; Colby, David A.; The Journal of organic chemistry 83 (2018) 3109–3118; doi:10.1021/acs.joc.7b03014

data_4033524
_publ_section_title
;
 Magnesium-Promoted Additions of Difluoroenolates to Unactivated Imines.
;
_journal_issue                   6
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              3109
_journal_page_last               3118
_journal_paper_doi               10.1021/acs.joc.7b03014
_journal_volume                  83
_journal_year                    2018
_chemical_formula_moiety         'C26 H21 F2 N O2'
_chemical_formula_sum            'C26 H21 F2 N O2'
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_atom_sites_solution_hydrogens   mixed
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_diffrn_ambient_temperature      90.0(5)
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_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'Bruker Kappa APEX-II DUO'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'TRIUMPH curved graphite'
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_diffrn_reflns_Laue_measured_fraction_max 0.979
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_exptl_absorpt_correction_T_max  0.998
_exptl_absorpt_correction_T_min  0.932
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.367
_exptl_crystal_description       lath
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_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0724
_refine_ls_R_factor_gt           0.0507
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0577P)^2^+0.7544P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1258
_refine_ls_wR_factor_ref         0.1390
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10937
_reflns_number_total             14427
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo7b03014_si_003.cif
_cod_data_source_block           Colby1
_cod_depositor_comments
'Adding full bibliography for 4033523--4033524.cif.'
_cod_database_code               4033524
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.976
_shelx_estimated_absorpt_t_max   0.998
_shelx_res_checksum              10041
_shelx_hkl_checksum              36307