Highly Diastereo- and Enantioselective Synthesis of Spiro-tetrahydrofuran-pyrazolones via Organocatalytic Cascade Reaction between γ-Hydroxyenones and Unsaturated Pyrazolones.
Mondal, Buddhadeb; Maity, Rajendra; Pan, Subhas Chandra; The Journal of organic chemistry 83 (2018) 8645–8654; doi:10.1021/acs.joc.8b00781

data_4035615
_publ_section_title
;
 Highly Diastereo- and Enantioselective Synthesis of
 Spiro-tetrahydrofuran-pyrazolones via Organocatalytic Cascade Reaction
 between \g-Hydroxyenones and Unsaturated Pyrazolones.
;
_journal_issue                   15
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              8645
_journal_page_last               8654
_journal_paper_doi               10.1021/acs.joc.8b00781
_journal_volume                  83
_journal_year                    2018
_chemical_compound_source        synthesis
_chemical_formula_moiety         'C27 H23 Cl N2 O3'
_chemical_formula_sum            'C27 H23 Cl N2 O3'
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_exptl_crystal_density_method    'not measured'
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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^)+(0.0468P)^2^+0.1813P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo8b00781_si_002.cif
_cod_data_source_block           exp_4863
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'MULTI-SCAN' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        1166.71(12)
_cod_database_code               4035615