Intramolecular Diels-Alder reactions of cyclopropenone ketals.
Patel, Paresma R.; Boger, Dale L.; Organic letters 12 (2010) 3540–3543; doi:10.1021/ol101375a

data_1503110
_publ_section_title
;
 Intramolecular Diels-Alder reactions of cyclopropenone ketals.
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_journal_issue                   15
_journal_name_full               'Organic letters'
_journal_page_first              3540
_journal_page_last               3543
_journal_paper_doi               10.1021/ol101375a
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C18 H24 O5'
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_cell_length_c                   13.544(3)
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_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.995
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_diffrn_measurement_device_type  'CCD area detector'
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_diffrn_reflns_limit_l_min       -16
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_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
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_refine_ls_structure_factor_coef Fsqd
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'calc w=1/[\s^2^(Fo^2^)+(0.0600P)^2^+0.2000P] where P=(Fo^2^+2Fc^2^)/3'
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_cod_data_source_file            ol101375a_si_003.cif
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_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_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 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1503110