Novel formal synthesis of cephalotaxine via a facile Friedel-Crafts cyclization.
Li, Wei-Dong Z; Wang, Xin-Wei; Organic letters 9 (2007) 1211–1214; doi:10.1021/ol070024b

data_1505320
_publ_section_title
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 Novel formal synthesis of cephalotaxine via a facile Friedel-Crafts
 cyclization.
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_journal_issue                   7
_journal_name_full               'Organic letters'
_journal_page_first              1211
_journal_page_last               1214
_journal_paper_doi               10.1021/ol070024b
_journal_volume                  9
_journal_year                    2007
_chemical_formula_sum            'C18 H26 Cl N O4'
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_computing_cell_refinement       'Bruker SMART APEX II'
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_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'APEX II CCD area detector'
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'calc w=1/[\s^2^(Fo^2^)+(0.1030P)^2^+0.5000P] where P=(Fo^2^+2Fc^2^)/3'
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_cod_data_source_file            ol070024bsi20070105_120510.cif
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_cod_depositor_comments
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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 2.4.1 from
2010-06-29.

'_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 2.4.1 from 2010-06-29.

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 'NONE' 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 
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_cod_original_cell_volume        877.0(18)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1505320