Stereo-selectivity switchable ROP of rac-β-butyrolactone initiated by salan-ligated rare-earth metal amide complexes: the key role of the substituents on ligand frameworks.
Zhuo, Zhixing; Zhang, Chen; Luo, Yunjie; Wang, Yaorong; Yao, Yingming; Yuan, Dan; Cui, Dongmei; Chemical communications (Cambridge, England) 54 (2018) 11998–12001; doi:10.1039/c8cc05469j

data_7125344
_publ_section_title
;
 Stereo-selectivity switchable ROP of rac-\b-butyrolactone initiated by
 salan-ligated rare-earth metal amide complexes: the key role of the
 substituents on ligand frameworks.
;
_journal_issue                   85
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              11998
_journal_page_last               12001
_journal_paper_doi               10.1039/c8cc05469j
_journal_volume                  54
_journal_year                    2018
_chemical_formula_sum            'C44 H72 N2 O2'
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_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
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_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-07-02 deposited with the CCDC.
2018-08-28 downloaded from the CCDC.
;
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_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
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_diffrn_measured_fraction_theta_max 0.966
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini'
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_diffrn_reflns_av_unetI/netI     0.0385
_diffrn_reflns_Laue_measured_fraction_full 0.996
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_exptl_absorpt_coefficient_mu    0.485
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_exptl_crystal_colour            'clear light green'
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_exptl_crystal_description       plate
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1360P)^2^+0.1492P] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_threshold_expression     'I > 2\s(I)'
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