TiCl<sub>4</sub>-n-Bu<sub>3</sub>N-mediated cascade annulation of ketones with α-ketoesters: a facile synthesis of highly substituted fused γ-alkylidene-butenolides.
Palange, Megha N.; Gonnade, Rajesh G.; Kontham, Ravindar; Organic & biomolecular chemistry 17 (2019) 5749–5759; doi:10.1039/c9ob00649d

data_7156863
_publ_section_title
;
 TiCl<sub>4</sub>-n-Bu<sub>3</sub>N-mediated cascade annulation of ketones
 with \a-ketoesters: a facile synthesis of highly substituted fused
 \g-alkylidene-butenolides.
;
_journal_issue                   23
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;
2018-12-13 deposited with the CCDC.    2019-05-16 downloaded from the CCDC.
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_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0278P)^2^+5.5957P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'MULTI-SCAN' changed to
'multi-scan' 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 7156862--7156864.cif.
;
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