Highly Iso-Selective and Active Catalysts of Sodium and Potassium Monophenoxides Capped by a Crown Ether for the Ring-Opening Polymerization ofrac-Lactide
Zhang, Jinjin; Xiong, Jiao; Sun, Yangyang; Tang, Ning; Wu, Jincai; Macromolecules 47 (2014) 7789–; doi:10.1021/ma502000y

data_1518190
_publ_section_title
;
 Highly Iso-Selective and Active Catalysts of Sodium and Potassium
 Monophenoxides Capped by a Crown Ether for the Ring-Opening
 Polymerization ofrac-Lactide
;
_journal_issue                   22
_journal_name_full               Macromolecules
_journal_page_first              7789
_journal_paper_doi               10.1021/ma502000y
_journal_volume                  47
_journal_year                    2014
_chemical_formula_moiety         'C56 H73 K O3'
_chemical_formula_sum            'C56 H73 K O3'
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CrysAlisPro, Agilent Technologies,
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CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
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CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
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_diffrn_reflns_theta_max         26.000
_diffrn_reflns_theta_min         2.944
_diffrn_source                   'SuperNova (Mo) X-ray Source'
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CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
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_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.137
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_exptl_crystal_size_mid          0.3200
_exptl_crystal_size_min          0.2800
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_exptl_transmission_factor_min   0.87315
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_refine_ls_number_restraints     0
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_refine_ls_R_factor_gt           0.0517
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
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 w=1/[\s^2^(Fo^2^)+(0.0601P)^2^+2.7343P]
 where P=(Fo^2^+2Fc^2^)/3
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_refine_ls_wR_factor_ref         0.1357
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7437
_reflns_number_total             9540
_reflns_threshold_expression     'I > 2\s(I)'
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_cod_data_source_block           KLBnOH
_cod_depositor_comments
'Adding full bibliography for 1518189--1518192.cif.'
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