Preparation of bicyclic 1,2,4-trioxanes from gamma,delta-unsaturated ketones.
Ramirez, Armando P.; Thomas, Andrew M.; Woerpel, K. A.; Organic letters 11 (2009) 507–510; doi:10.1021/ol8022853

data_1503715
_publ_section_title
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 Preparation of bicyclic 1,2,4-trioxanes from gamma,delta-unsaturated
 ketones.
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_journal_issue                   3
_journal_name_full               'Organic letters'
_journal_page_first              507
_journal_page_last               510
_journal_paper_doi               10.1021/ol8022853
_journal_volume                  11
_journal_year                    2009
_chemical_absolute_configuration syn
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_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
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_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0662P)^2^+0.0878P] where P=(Fo^2^+2Fc^2^)/3'
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_cod_data_source_file            ol8022853_si_002.cif
_cod_data_source_block           kaw86
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'n/a' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1503715