Organocatalytic [3 + 2] cycloaddition of oxindole-based azomethine ylides with 3-nitrochromenes: a facile approach to enantioenriched polycyclic spirooxindole-chromane adducts.
Wu, Shiqi; Zhu, Guodong; Wei, Shiqiang; Chen, Hongbo; Qu, Jingping; Wang, Baomin; Organic & biomolecular chemistry 16 (2018) 807–815; doi:10.1039/c7ob03051g

data_7156054
_publ_section_title
;
 Organocatalytic [3 + 2] cycloaddition of oxindole-based azomethine ylides
 with 3-nitrochromenes: a facile approach to enantioenriched polycyclic
 spirooxindole-chromane adducts.
;
_journal_issue                   5
_journal_name_full               'Organic &amp; biomolecular chemistry'
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_journal_page_last               815
_journal_paper_doi               10.1039/c7ob03051g
_journal_volume                  16
_journal_year                    2018
_chemical_absolute_configuration s
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;
2017-11-08 deposited with the CCDC.
2018-01-05 downloaded from the CCDC.
;
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_exptl_crystal_colour            yellow
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_exptl_crystal_F_000             1224
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_refine_ls_structure_factor_coef Fsqd
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'calc w=1/[\s^2^(Fo^2^)+(0.0680P)^2^+3.9519P] where P=(Fo^2^+2Fc^2^)/3'
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_cod_data_source_file            c7ob03051g2.cif
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_cod_depositor_comments
;
The following automatic conversions were performed:
data name '__diffrn_radiation_source' replaced with
'_diffrn_radiation_source'.

data name '__computing_data_collection'
replaced with '_computing_data_collection'.

Automatic conversion script
Id: cif_correct_tags 4968 2017-02-21 14:55:21Z antanas 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 7156054.cif.
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7156054