Control of the photoreactivity of diarylethene derivatives by quaternarization of the pyridylethynyl group.
Yumoto, Koji; Irie, Masahiro; Matsuda, Kenji; Organic letters 10 (2008) 2051–2054; doi:10.1021/ol8005216

data_1504662
_publ_contact_author
;Prof. Kenji. Matsuda
Department of Chemistry and Biochemistry
Graduate School of Engineering, Kyushu University
Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
;
_publ_section_title
;
 Control of the photoreactivity of diarylethene derivatives by
 quaternarization of the pyridylethynyl group.
;
_journal_issue                   10
_journal_name_full               'Organic letters'
_journal_page_first              2051
_journal_page_last               2054
_journal_paper_doi               10.1021/ol8005216
_journal_volume                  10
_journal_year                    2008
_chemical_formula_sum            'C41 H26 F18 N2 P2 S2'
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_symmetry_space_group_name_Hall  'F 2 -2d'
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_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
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_cell_length_c                   9.4606(9)
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_cell_measurement_theta_max      21.22
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_computing_data_collection       'Bruker SMART'
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_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
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_diffrn_reflns_limit_l_min       -11
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_exptl_absorpt_coefficient_mu    0.318
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_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.603
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
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_refine_ls_structure_factor_coef Fsqd
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'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+0.0000P] 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:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        8408.6(13)
_cod_original_sg_symbol_H-M      Fdd2
_cod_database_code               1504662