Synthesis of 3,3'-Spirocyclic Oxindoles via Phosphine Catalyzed [4 + 2] Cyclizations.
Gicquel, Maxime; Gomez, Catherine; Retailleau, Pascal; Voituriez, Arnaud; Marinetti, Angela; Organic letters 15 (2013) 4002–4005; doi:10.1021/ol401798w

data_1512216
_publ_section_title
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 Synthesis of 3,3'-Spirocyclic Oxindoles via Phosphine Catalyzed [4 + 2]
 Cyclizations.
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_journal_issue                   15
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;
 w=1/[\s^2^(Fo^2^)+(0.0556P)^2^+1.6082P]
 where P=(Fo^2^+2Fc^2^)/3
;
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The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
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