Esterification of Carboxylic Acids with Difluoromethyl Diazomethane and Interrupted Esterification with Trifluoromethyl Diazomethane: A Fluorine Effect.
Peng, Shan-Qing; Zhang, Xiao-Wei; Zhang, Long; Hu, Xiang-Guo; Organic letters 19 (2017) 5689–5692; doi:10.1021/acs.orglett.7b02866

data_1547602
_publ_section_title
;
 Esterification of Carboxylic Acids with Difluoromethyl Diazomethane and
 Interrupted Esterification with Trifluoromethyl Diazomethane: A Fluorine
 Effect.
;
_journal_issue                   20
_journal_name_full               'Organic letters'
_journal_page_first              5689
_journal_page_last               5692
_journal_paper_doi               10.1021/acs.orglett.7b02866
_journal_volume                  19
_journal_year                    2017
_chemical_formula_moiety         C11H9F2N1O2
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_cell_formula_units_Z            2
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_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
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_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         3.50
_exptl_absorpt_coefficient_mu    0.125
_exptl_absorpt_correction_T_max  0.9814
_exptl_absorpt_correction_T_min  0.9693
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_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0740P)^2^+0.0548P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1323
_refine_ls_wR_factor_ref         0.1474
_reflns_number_gt                1453
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_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol7b02866_si_003.cif
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_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 1547602--1547605.cif.
;
_cod_original_cell_volume        509.85(10)
_cod_original_sg_symbol_Hall     -P1
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1547602