Formal [(2+2)+2] and [(2+2)+(2+2)] nonconjugated dienediyne cascade cycloadditions.
Wu, Yao-Ting; Linden, Anthony; Siegel, Jay S.; Organic letters 7 (2005) 4353–4355; doi:10.1021/ol0514799

data_1506682
_publ_section_title
;
 Formal [(2+2)+2] and [(2+2)+(2+2)] nonconjugated dienediyne cascade
 cycloadditions.
;
_journal_issue                   20
_journal_name_full               'Organic letters'
_journal_page_first              4353
_journal_page_last               4355
_journal_paper_doi               10.1021/ol0514799
_journal_volume                  7
_journal_year                    2005
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'DENZO-SMN and SCALEPACK (Otwinowski & Minor, 1997)'
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_diffrn_measured_fraction_theta_max 0.993
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_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
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_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0456P)^2^+0.9277P] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_threshold_expression     'I > 2\s(I)'
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_cod_database_code               1506682